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Exam Code: RH133
Exam Name: RedHat (Red Hat Linux System Administration)

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NO.1 You work as a Network Administrator for McNeil Inc. The company has a Linux-based network.
You are a root user on the Linux system. You have to create a user named Trinity and deny interactive
login. Which of the following should you use to accomplish the task?
Each correct answer represents a part of the solution. Choose all that apply.
A. vi /etc/passwd
B. vi /etc/shadow
C. useradd Trinity
D. passwd Trinity
E. Trinity:x:505:505::/home/Trinity:/sbin/nonlogin
Answer: A,B,C,D,E

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NO.2 You work as a Linux Technician for Tech Perfect Inc. The company has a Linux-based network.
You have configured a database server in the network. Users complain that the server has
become remarkably slow. However, the previous day, the server was performing well. You know that
some of the processes may be the cause of the issue. You run the PS command on the server. In the
result set, which information will you look at that suggests the problematic process?
A. A high load average
B. A high process ID
C. A low load average
D. A low CPU time
E. A high CPU time
Answer: E

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NO.3 You want to make Rick an owner of the files TRADE1.TXT and TRDREPORT.TXT. Which of the
following commands will you use to accomplish this?
A. chown rick TRADE1.TXT TRDREPORT.TXT
B. chgrp rick TRADE1.TXT + TRDREPORT.TXT
C. chown rick TRADE1.TXT + TRDREPORT.TXT
D. chgrp rick TRADE1.TXT TRDREPORT.TXT
Answer: A

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NO.4 You want to verify the PGP signature of all headers and signatures associated with an RPM package.
Which of the following commands will you use to accomplish the task?
Each correct answer represents a complete solution. Choose all that apply.
A. rpm -e
B. rpm -K
C. rpm --checksig
D. rpm -V
Answer: B,C,D

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NO.5 John works as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based
network. John is working as a root user on the Linux operating system. He wants to run the cc process at
runlevel three. If the order of execution of cc command is 43, which of the following commands will John
use to accomplish his task?
A. ln -s /etc/init.d/cc /etc/rc.d/rc3.d/K43cc
B. ln -s /etc/rc.d/init.d/cc /etc/rc.d/rc3.d/K43cc
C. ln -s /etc/rc.d/cc /etc/rc.d/rc3.d/s43cc
D. ln -s /etc/rc.d/init.d/cc /etc/rc.d/rc3.d/S43cc
Answer: D

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NO.6 You want only the root access in a Linux computer for maintenance purposes. Which of the following
runlevels will you use to boot the computer?
A. 2
B. 0
C. 1
D. 3
Answer: C

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NO.7 By default, which of the following commands configures the current run level?
A. chkconfig
B. pstree
C. service
D. ntsysv
Answer: D

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NO.8 CORRECT TEXT
Drag and drop the appropriate command in front of its respective function.
Answer: A

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NO.9 You work as a Network Administrator for Rick Inc. The company has a Linux-based network. You are
configuring a Linux server. Which of the following bootloaders does not require to be rewritten after the
configuration of the kernel has been changed?
A. GRUB
B. BOOTP
C. LILO
D. ELILO
Answer: A

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NO.10 Which of the following fsck commands will you use to check all filesystems listed in /etc/fstab?
A. fsck -P
B. fsck -f
C. fsck -A
D. fsck -y
Answer: C

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NO.11 Which of the following commands can be used to compress a file?
Each correct answer represents a complete solution. Choose all that apply.
A. gzip
B. compress
C. tar
D. zip
Answer: A,B,D

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NO.12 You work as a Software Engineer for McNiel Inc. The company has a Linux-based network. The
company has 150 Engineers. The root user has configured quota limits for each user. You want to view
quota limits for your system. Which of the following commands will you use to accomplish this task?
A. repquota -a
B. quota -v
C. quotacheck
D. edquota
Answer: B

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NO.13 You work as a Network Administrator for Secure Web Inc. The company has a Linux-based network.
The network has a mixed set of client operating systems. You want to format a new hard disk drive. The
drive will have only one partition. Both the Linux and Windows operating systems will access the partition.
Which of the following file systems will you use?
A. VFAT
B. XFS
C. REISER
D. EXT3
Answer: A

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NO.14 Which of the following commands displays a module name or filename and associated
information, such as the authors name, license, description, module version, dependencies, parameters,
etc?
A. modprobe
B. lsmod
C. modprob
D. modinfo
Answer: D

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NO.15 You work as a Network Administrator for Tech Perfect Inc. The company has a Linux-based network.
You are configuring a server that will be used as a file server. You want to install an RPM package, named
FILELOCATOR, on the server. You want to check whether the package is already installed. Which of the
following commands will you use?
A. grep FILELOCATOR
B. find -q rpm |grep FILELOCATOR
C. rpm -qa | grep FILELOCATOR
D. find FILELOCATOR
Answer: C

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NO.16 John works as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based
network. He is working as a root user on the Linux operating system. He wants to add a soft limit quota
warning for the users, in which, after exceeding the quota value, a user will receive e-mail warnings about
being over quotA. Which of the following commands will John use to accomplish his task?
Each correct answer represents a complete solution. Choose all that apply.
A. repquota
B. quotaon
C. warnquota
D. edquota
E. quotaoff
Answer: C,D

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NO.17 Fill in the blank with the appropriate command.
The ________ command recursively removes files, which have not been accessed for a period oftime.
A. tmpwatch
Answer: A

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NO.18 Which of the following commands can be used to modify kernel parameters at runtime?
A. sync
B. sysctl
C. mkinitrd
D. lsdev
Answer: B

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NO.19 Which of the following commands can be used to check the errors of the ext2 and ext3
filesystems?
Each correct answer represents a complete solution. Choose two.
A. fsck --ext2
B. fsck.ext3
C. fsck --ext3
D. e2fsck
Answer: B,D

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NO.20 Which of following options will you use to force mtr to display numeric IP numbers and not try to
resolve the host names?
A. -t
B. -n
C. -l
D. -p
Answer: B

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NO.21 After enabling shadowed passwords in a Linux server, where does Linux keep the passwords?
A. /usr/shadow
B. /etc/passwd
C. /usr/passwd
D. /etc/shadow
Answer: D

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NO.22 What is the minimum RAM requirement for installing Red Hat in GUI mode?
A. 1GB
B. 512 MB
C. 128MB
D. 64MB
Answer: C

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NO.23 Which of the following commands will you run to list all files that have been modified within the last 60
minutes?
A. find /etc -name *.txt
B. find start -dir -min -60
C. find start -dir -cmin -60
D. find start -cmin -60
Answer: C

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NO.24 When installing RHEL in the graphical interface, which of the following switches can be used to specify
a resolution?
A. lowers
B. vnc
C. resolution
D. skipddc
Answer: C

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NO.25 Which of the following commands is used to create a user account for a new user?
A. USERMOD
B. MOUNT
C. USERADD
D. CRUSER
Answer: C

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NO.26 You work as a System Administrator for McNeil Inc. The company has a Linux based network.
You are a root user on Red Hat operating system. You have upgraded the amount of RAM in your system
from 256 MB to 512 MB, but there is only 512 MB of swap space. Therefore, you want to add more swap
space to /dev/hdb2 hard drive to run the applications that require a large amount of memory. Which of the
following commands should you run to accomplish this task? Each correct answer represents a complete
solution. Choose all that apply.
A. mkswap /dev/hdb2
B. swapon /dev/hdb2
C. mount
D. parted
Answer: A,B,D

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NO.27 Which of the following statements are true about kernel modules?
Each correct answer represents a complete solution. Choose all that apply.
A. Kernel modules do not support executable loaders.
B. The kernel module contains extra kernel codes that may be loaded after the loading of the basekernel.
Only a minimal resident kernel is loaded into memory at boot time.
C. Kernel modules do not support the device drivers, network drivers, and file system drivers.
D. Whenever a user requests a feature that is not present in the resident kernel, a kernel moduleis
dynamically loaded into memory.
Answer: B,D

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NO.28 After creating the swap area, which of the following commands will you need to run to start using it?
A. mkswap
B. mkfs
C. swapon
D. swapoff
Answer: C

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NO.29 You work as a Network Administrator for Net World International. The company has a Linux-based
network. You want to upgrade an RPM package and get the status during the upgrade. Which of the
following commands will you use to accomplish the task?
A. rpm -ivh
B. rpm -evh
C. rpm -qvh
D. rpm -Uvh
Answer: D

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NO.30 You want to temporarily change your primary group to another group of which you are a member. In
this process, a new shell will be created, and when you exit the shell, your previous group will be
reinstated. Which of the following commands will you use to accomplish this task?
A. chgrp
B. newgrp
C. chmod
D. chown
Answer: B

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Exam Code: 1Z1-054
Exam Name: Oracle (Oracle Database 11g: Performance Tuning)

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NO.1 You are working on an online transaction processing (OLTP) system. You detected free buffer waits
events for your database instance running in a machine that has multiple CPUs. You increased the
database buffer cache size as the first step. After a few hours of work on the database, further
investigation shows that the same event is being recorded.
What would be your next step to avoid this event in future?
A. Decrease the value of the DBWR_IO_SLAVES parameter.
B. Set the USE_INDIRECT_DATA_BUFFERS parameter to TRUE.
C. Increase the value of the DB_WRITER_PROCESSES parameter.
D. Increase the value of the DB_FILE_MULTIBLOCK_READ_COUNT parameter.
ANSWER: C

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NO.2 After running SQL Performance Analyzer (SPA), you observe a few regressed SQL statements in the
SPA output. Identify the two actions that you would suggest for these regressed SQL statements.
(Choose two.)
A.Running SQL Access Advisor
B.Adding them to SQL Plan Baseline
C.Submitting them to SQL Tuning Advisor
D.Running Automatic Database Diagnostic Monitor (ADDM)
ANSWER: BC

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NO.3 View the Exhibit and examine a portion of the output obtained from the following query:
SQL> SELECT * FROM v$sys_time_model;
Select three correct interpretations of the time model statistics. (Choose three.)
A. DB time includes the wait time of all the nonidle and idle user sessions.
B. SQL execute elapsed time includes the time spent in performing fetches of query results.
C. DB CPU includes the CPU time spent on database user-level calls and background CPU time.
D. SQL execute elapsed time includes components of the hard parse elapsed time like bind elapsed time.
E. DB time includes the connection management call elapsed time excluding the background process
time.
ANSWER: BDE

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NO.4 View the Exhibit exhibit1 to examine the series of SQL commands and parameter settings.
View the Exhibit exhibit2 to examine the plans available in the SQL plan baseline.
The first plan (in red) is created when OPTIMIZER_MODE is set to ALL_ROWS and the second plan (in
blue) is created when OPTIMIZER_MODE is set to FIRST_ROWS.
Which SQL plan baseline would be used if the SQL query in exhibit1 is executed again when the value of
OPTIMIZER_MODE is set to FIRST_ROWS?
A. the second plan, because it is a fixed plan
B. the first plan, because it is an accepted plan
C. the second plan, because it is the latest generated plan in FIRST_ROW mode
D. A new plan, because the second plan in FIRST_ROW mode is not an accepted plan
ANSWER: B

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NO.5 View Exhibit1 to examine the description of the CUSTOMERS table.
The CUSTOMERS table has been updated heavily today. In a frequently used SQL statement, you notice
that estimated rows and the actual number of rows fetched differ greatly. The COUNTRY_ID column has
an index.
View Exhibit2 and examine the query execution plan.
What would you recommend to improve the optimizer's estimation?
A. setting the STATISTICS_LEVEL parameter to ALL
B. setting the OPTIMIZER_USE_PENDING_STATISTICS parameter to FALSE
C. creating extended statistics for the CUST_LAST_NAME, CUST_ID, and CUST_TOTAL columns
D. updating the statistics for the CUSTOMERS table by using the
DBMS_STATS.GATHER_TABLE_STATS
procedure
ANSWER: D

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NO.6 A user in a session executed the following SQL statement to set the optimizer mode:
ALTER SESSION SET OPTIMIZER_MODE = ALL_ROWS
What impact would it have on the goal of the optimizer for that session? (Choose all that apply.)
A. Statement level OPTIMIZER_MODE hints take precedence over the session-level setting.
B. The OPTIMIZER_MODE parameter set at instance level takes precedence over the session-level
value.
C. The optimizer uses a cost-based approach, regardless of the presence of statistics; it optimizes with a
goal of best response time.
D. The optimizer uses a cost-based approach for all SQL statements in the session, regardless of the
presence of statistics; it optimizes with a goal of best throughput.
ANSWER: AD

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NO.7 You plan to use adaptive thresholds as part of the performance tuning activity. You decide to increase
the window size of the default moving window baseline for all metric observations and comparisons in
your database. The following error occurs when you try to increase the window size through Enterprise
Manager:
Failed to commit: ORA-13541: system moving window baseline size (1296000) greater than retention
(1036800) ORA-06512: at "SYS.DBMS_WORKLOAD_REPOSITORY", line 601 ORA-06512: at line 2
Which action would allow you to perform the preceding task successfully?
A. increasing the flashback retention period
B. increasing the retention period for SQL Management Base
C. increasing the undo retention period for the database instance
D. increasing the Automatic Workload Repository (AWR) retention period
ANSWER: D

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NO.8 The columns CUST_CITY, CUST_STATE_PROVINCE, and COUNTRY_ID are frequently used
together in the WHERE clause of the queries. The CUSTOMERS table is a big table with 20 GB of data.
You notice that the selectivity for these three columns varies from the selectivity that the optimizer
calculates.
What would you recommend to influence the selectivity calculated by the optimizer?
A. creating function-based indexes by concatenating all the columns
B. updating histogram statistics for these columns by using the DBMS_STATS.GATHER_TABLE_STATS
procedure
C. using the DBMS_STATS.CREATE_EXTENDED_STATS function to create a virtual column and create
index on the virtual column
D. using the DBMS_STATS.CREATE_EXTENDED_STATS function to create a virtual column and the
DBMS_STATS.GATHER_TABLE_STATS procedure to collect statistics on the virtual column
ANSWER: D

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NO.9 You are working on an online transaction processing (OLTP) system. By day most of the application
users perform queries accessing the most recently added or modified rows. The applications have most
of the queries based on multiple tables. But at night, some batch processing is also done.
Which two actions would you recommend to choose a goal for the optimizer based on the needs of your
application? (Choose two.)
A.setting the OPTIMIZER_MODE parameter to ALL_ROWS at the instance level
B.setting the OPTIMIZER_MODE parameter to FIRST_ROWS_n at the instance level
C.asking the developer to add a hint /*ALL_ROWS*/ in the long-running batch processing queries
D.asking the developer to add a hint /*FIRST_ROWS_n*/ in the long-running batch processing queries
ANSWER: BC

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NO.10 Examine the initialization parameter values for the instance given below:
NAME TYPE VALUE
------------------------------------ ----------- ------------------
optimizer_capture_sql_plan_baselines boolean FALSE
optimizer_dynamic_sampling integer 2
optimizer_features_enable string 11.1.0.6
optimizer_index_caching integer 0
optimizer_index_cost_adj integer 100
optimizer_mode string ALL_ROWS
db_file_multiblock_read_count integer 64
You notice that the one of the queries is using a full table scan (view Exhibit1) instead of index unique
scan (view Exhibit2). The index is present on the column that is accessed in the WHERE clause of the
query. The cost for a full table scan is more than that for an index unique scan.
Why would the optimizer choose full table scan over index unique scan? (Choose all that apply.)
A. The OPTIMIZER_INDEX_COST_ADJ initialization parameter is set to a low value.
B. The OPTIMIZER_INDEX_COST_ADJ initialization parameter is set to a high value.
C. The DB_FILE_MULTIBLOCK_READ_COUNT initialization parameter is set to a low value.
D. The statistics for the table and all the indexes associated with the table are not current.
ANSWER: BD

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NO.11 Examine the initialization parameter values for the instance given below:
NAME TYPE VALUE
------------------------------------ ----------- ------------------
optimizer_capture_sql_plan_baselines boolean FALSE
optimizer_dynamic_sampling integer 2
optimizer_features_enable string 11.1.0.6
optimizer_index_caching integer 0
optimizer_index_cost_adj integer 100
optimizer_mode string ALL_ROWS
db_file_multiblock_read_count integer 64
The index created on the column used in the WHERE clause of the query. You notice that the query is not
using the index. Instead of an index scan, a full table scan is used.
View the Exhibit and examine the autotrace output for a query.
What could be the reason for it? (Choose all that apply.)
A. The OPTIMIZER_INDEX_COST_ADJ initialization parameter has a low value.
B. The DB_FILE_MULTIBLOCK_READ_COUNT initialization parameter has a low value.
C. The statistics for the table and all the indexes associated with the table are not current.
D. The table has less than DB_FILE_MULTIBLOCK_READ_COUNT blocks under the high-water mark.
ANSWER: CD

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NO.12 You work as a DBA for a company and you have the responsibility of managing one of its online
transaction processing (OLTP) systems. The database encountered performance-related problems and
you generated an Automatic Workload Repository (AWR) report to investigate it further.
View the Exhibits and examine the AWR report.
What could be the problem in this database?
A.Java pool is not configured.
B.The CPU in the system is slow.
C.The shared pool size is inadequate.
D.The database buffer cache is inadequate.
E.The OPEN_CURSORS parameter is set to a small value.
ANSWER: C

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NO.13 Which three factors influence the optimizer's behavior while choosing an optimization approach and
goal for a SQL statement? (Choose three.)
A.parsing of a SQL statement
B.operating system (OS) statistics
C.object statistics in the data dictionary
D.the OPTIMIZER_MODE initialization parameter
E.optimizer SQL hints for changing the query optimizer goal
ANSWER: CDE

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NO.14 You are working on a decision support system (DSS). The index is available on the COUNTRY_ID
column of the CUSTOMERS table.
View the Exhibit and examine the parameter settings and the query execution plan.
Why is the query using a full table scan instead of an index scan?
A. because the histogram statistics for the COUNTRY_ID column are not updated
B. because the index statistics for the index on the COUNTRY_ID column are not current
C. because the DB_FILE_MULTIBLOCK_READ_COUNT initialization parameter is set to a higher value
D. because the optimizer predicts that most of the blocks in the table are accessed. Therefore, it uses a
full table scan, even though indexes are available.
ANSWER: D

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NO.15 A batch workload that historically completed in the maintenance window between 10:00 PM and
midnight is currently showing poor performance and completing at 2 AM.
To help in the diagnosis of the performance degradation, the senior DBA in your organization asks you to
execute the awrddrpt.sql script to produce a Compare Periods report.
Which two statements are true about the report produced by this script? (Choose two.)
A. It is refreshed automatically based on the moving window baseline.
B. It compares details between any two selected time periods of the same duration.
C. It normalizes the statistics by the amount of time spent on the database for each time period.
D. It compares details between two consecutive time periods of the same or different durations and is
refreshed every 60 minutes.
ANSWER: BC

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NO.16 View Exhibit1 to examine the description of the CUSTOMERS table.
You observed that optimizer selectivity is not accurate when the CUST_STATE_PROVINCE and
COUNTRY_ID columns are used together in the WHERE clause of a query.
View Exhibit2 to examine the query execution plan and the commands executed to gather the statistics.
The optimizer predicts that 20 rows will be processed rather than the 3,341 rows, which is the actual
number of rows returned from the table.
What can you do to make the optimizer detect the actual number of rows?
A. Set the STATISTICS_LEVEL parameter to ALL.
B. Set the OPTIMIZER_USE_PENDING_STATISTICS parameter to FALSE.
C. Create extended statistics for the CUST_STATE_PROVINCE and COUNTRY_ID columns.
D. Increase the STALE_PERCENT value for the CUSTOMERS table by using the
DBMS_STATS.SET_TABLE_PREFS procedure.
ANSWER: C

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NO.17 View Exhibit1 and examine the indexes on the CUSTOMERS table.
The statistics for the CUSTOMERS table have been updated recently by using the following command:
SQL> EXEC DBMS_STATS.GATHER_TABLE_STATS('SH','CUSTOMERS',method_opt=>'FOR ALL
INDEXED COLUMNS SIZE AUTO');
View Exhibit2 to examine a query plan. Even though the index is present on the COUNTRY_ID and
CUST_GENDER columns, the query uses a full table scan. What could be the reason?
A. because the histogram statistics for the COUNTRY_ID column are not updated
B. because the DB_FILE_MULTIBLOCK_READ_COUNT initialization parameter is set to a high value
C. because the optimizer calculates the cost of accessing blocks by using a full table scan to be less as
compared to index scans, even though indexes are available
D. because indexes on CUST_GENDER and COUNTRY_ID columns are of different types, the index on
the CUST_GENDER column is bitmap index, and on COUNTRY_ID columns is btree index.
ANSWER: C

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NO.18 You are working on a development database that was upgraded to Oracle Database 11g from Oracle
Database 9i. An ADDM finding in this database says that the shared pool is inadequately sized, as shown
in the Exhibit.
You diagnosed that this is due to different kinds of workloads and this occurs only during peak hours. You
tried to resize this by shrinking the database buffer cache but that caused inadequate buffer cache
problems. The following are the related parameter settings:
SQL> show parameter sga
NAME TYPE VALUE
------------------------------ --------------- -----------------
lock_sga boolean FALSE
pre_page_sga boolean FALSE
sga_max_size big integer 300M
sga_target big integer 0
SQL> show parameter target
NAME TYPE VALUE
------------------------------ --------------- -----------------
.....
fast_start_mttr_target integer 0
memory_max_target big integer 0
memory_target big integer 0
pga_aggregate_target big integer 100M
sga_target big integer 0
You want to balance the memory between the System Global Area (SGA) components within SGA
without affecting the size of the Program Global Area (PGA).
Which action would solve this problem?
A. Set the SGA_TARGET parameter to 300M.
B. Set the SGA_MAX_SIZE parameter to 400M.
C. Set the MEMORY_TARGET parameter to 100M.
D. Set the MEMORY_MAX_TARGET parameter to 300M.
ANSWER: A

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NO.19 Identify two correct statements about the Active Session History (ASH) data. (Choose two.)
A.A part of SGA memory is used to store ASH data as rolling buffer.
B.The ASH data can be analyzed between any two small time intervals.
C.All ASH data in memory are flushed to disk by MMON in every 3 seconds.
D.All ASH data in memory are flushed to disk by MMNL process whenever the buffer is full.
ANSWER: AB

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NO.20 You observed that some of the queries are performing poorly on the SALES_RECORDS table in your
database.
On further investigation, you find that at the end of each day the contents of the SALES_RECORDS table
are transferred to the SALES table and deleted from the SALES_RECORDS table. The deleted
operations cause the table to be sparsely populated.
You decided to use the ALTER TABLE...SHRINK SPACE COMPACT command to shrink the table.
Why would you choose this method? (Choose all that apply.)
A. because it can be used during peak hours
B. because it avoids unnecessary cursor invalidation
C. because it adjusts the high-water mark (HWM) immediately
D. because you have long-running queries that might span the shrink operation
E. because it does not allow any data manipulation language (DML) operations, thereby making the
shrink
operation faster
ANSWER: ABD

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Exam Code: 1Z0-042
Exam Name: Oracle (Oracle database 10g:Administration I)

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NO.1 Which two operations require undo data? (Choose two.)
A. recovering from failed transactions
B. recording a transaction to redo log files
C. rolling back a transaction
D. committing a transaction
E. rolling forward during instance recovery
Answer: AC

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NO.2 View the Exhibit to see the source and target databases.
You have created a database link, devdb.us.oracle.com, between the databases PRODDB and DEVDB.
You want to import schema objects of the HR user using Oracle Data Pump from the
development database, DEVDB, to the production database, PRODDB. You execute the following
command on the target database server:
$impdp system/manager directory = DB_DATA
dumpfile = schemas.dat
schemas = hr
flashback_time = 2004-02-03 09:00
The command fails, displaying the following error:
ORA-39001: invalid argument value
ORA-39000: bad dump file specification
ORA-31640: unable to open dump file "/home/oracle/schema/schemas.dat" for read
ORA-27037: unable to obtain file status
What would you do to overcome the error?
A. remove the dumpfile option in the command
B. remove the flashback_time option in the command
C. remove the dumpfile option and add the network_link = devdb.us.oracle.com option in the command
D. add the user, SYSTEM, to the schemas option in the command
E. remove the schemas option and add the network_link = devdb.us.oracle.com option in the command
F. add network_link = devdb.us.oracle.com option in the command
Answer: C

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NO.3 The employee IDs of employees who have made sales in the company are transferred from the
EMPLOYEES table to the BONUS table with a default bonus value. Later, the human resources
department decides to give bonuses to employees as per the following conditions:
1. Employees with a salary of $8,000 or less should receive a bonus.
2. Employees who have not made sales get a bonus of 1% of their salary.
3. Employees who already made sales get an increase in their bonus equal to 1% of their salary.
What would you do to implement these changes in one step?
A. Use SQL*Loader utility.
B. Use the MERGE statement.
C. Use a multitable insert operation.
D. Use a correlated UPDATE statement.
Answer: B

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NO.4 You want to create a tablespace with the following specifications:
1. The tablespace extends automatically.
2. Used and free extents should be managed by bitmaps.
3. Default PCTUSED attribute is set to 60.
4. All the extents would be of size 1 MB.
Which three options would you choose to create the tablespace? (Choose three.)
A. tablespace with segment space management as automatic
B. tablespace with AUTOEXTEND enabled
C. tablespace with a uniform extent allocation of 1 MB
D. tablespace with dictionary-managed extents
E. tablespace with segment space management as manual
Answer: BCE

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NO.5 Which two statements are true about the roles in the Oracle database? (Choose two.)
A. A role cannot be assigned external authentication.
B. Roles can be granted to other roles.
C. Roles are owned by the SYS user.
D. A role can be granted to itself.
E. A role can contain both system and object privileges.
Answer: BE

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NO.6 Which three statements are true regarding the fine-grained auditing (FGA)? (Choose three.)
A. FGA is possible on SELECT statements only.
B. The audit trail for FGA is stored in the AUD_LOG$ table.
C. FGA includes the SQL statement used by the user as part of the audit event entry.
D. FGA enables a SQL predicate to define when to audit an event.
E. The audit trail for FGA is stored in the FGA_LOG$ table.
F. FGA audits DELETE statements only when audit columns are specified.
Answer: CDE

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NO.7 You want to monitor and control the resource usage by sessions. You want to be warned automatically
when more than 100 sessions are opened with your database. What action would you take to achieve
this?
A. Set the warning threshold for the Current Logons Count metric.
B. Set the limits in the profiles used by users.
C. Use the Database Resource Manager.
D. Modify the SESSIONS initialization parameter.
Answer: A

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NO.8 Your database instance is started using the server parameter file (SPFILE). Control files are
multiplexed and stored on different disks. Because of a disk failure, you lost one of these control files. You
replaced the damaged disk. What is the correct sequence of steps that you would follow to recover the
control file?
1. Shut down the instance, if not already done.
2. Copy one of the remaining control files to a new location.
3. Change the value of the CONTROL_FILES initialization parameter to correspond to the new location of
the control files.
4. Start up the database instance to the NOMOUNT stage.
5. Recover the database to the point of failure of the control file.
6. Open the database.
A. 2,4,3,4,5
B. 5,2,3,4
C. 4,5,6,2,3
D. 1,2,4,3,5
Answer: D

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NO.9 In your database, the snapshot interval is set to 10 minutes for the Automatic Workload Repository
(AWR). The database instance is running for the past 30 days.
View the Exhibit to examine the Automatic Database Diagnostic Monitor (ADDM) task.
The ADDM task is performed every 10 minutes, except the last task. What could be the reason for this?
A. The snapshot retention period for the AWR was increased before the last task.
B. The STATISTICS_LEVEL initialization parameter was changed to BASIC and reset to TYPICAL before
the last task.
C. The optimizer statistics was collected manually by using the DBMS_STATS package before the last
task.
D. The optimizer statistics for few objects in the database were locked before the last task.
Answer: B

Oracle questions   1Z0-042   1Z0-042

NO.10 You specified extent management as local for a tablespace. How will it affect space management in the
tablespace?
A. The tablespace will be system managed and the users cannot specify the extent size.
B. Free extents will be managed by the data dictionary tables.
C. All the extents will be of the same size.
D. Bitmap will be used to record free and allocated extents.
Answer: D

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NO.11 You executed the STARTUP MOUNT command to start your database. For which database operation
do you need to start the database in the MOUNT state?
A. dropping a user in your database
B. dropping a tablespace in your database
C. enabling or disabling redo log archiving
D. renaming the control files
E. re-creating the control files, after you lost all the control files in your database
Answer: C

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NO.12 Redo log files are not multiplexed in your database. Redo log blocks are corrupted in group 2, and
archiving has stopped. All the redo logs are filled and database activity is halted. Database writer has
written everything to disk. Which command would you execute to proceed further?
A. ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 2;
B. RECOVER LOGFILE BLOCK GROUP 2;
C. ALTER DATABASE CLEAR LOGFILE GROUP 2;
D. ALTER DATABASE DROP LOGFILE GROUP 2;
E. ALTER DATABASE RECOVER LOGFILE GROUP 2;
Answer: A

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NO.13 Which step do you need to perform to enable a user with the SYSDBA privilege to log in as SYSDBA in
iSQL*Plus.?
A. The user must be granted the database administrator (DBA) privilege.
B. Set up a user in the Oracle Application Server Containers for J2EE (OC4J) user manager, and grant
the webDba role to the user.
C. The user must be listed in the password file for the authentication.
D. No special setup is needed for the user to connect as SYSDBA in iSQL*Plus.
Answer: B

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NO.14 You have a text file that maintains information on thousands of items. The end-user application requires
the transfer of that information into a table in the database. What would you use to achieve this task?
(Choose two.)
A. Data Pump
B. SQL*Loader
C. External table
D. Oracle Text
E. Oracle Import
Answer: BC

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NO.15 You plan to use static database registration for a new listener when you create it. What could be the
two reasons for this? (Choose two.)
A. The Oracle Enterprise Manager is to be used to monitor an Oracle9i database.
B. More than one database is to be registered with the listener.
C. The listener is not configured on the default port of 1521 and the instance is not configured to register
with a nondefault port.
D. The users will connect the database by using the host naming method.
E. The database that is to be registered with the listener is configured in shared server mode.
Answer: AC

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NO.16 User Scott has updated the salary of one of the employees in the EMPLOYEES table and has not
committed the transaction. What are the two types of locks that this scenario would lead to? (Choose
two.)
A. a shareable table lock for the table containing the row
B. null lock on the table containing the row
C. exclusive table-level lock for the table containing the row
D. null lock on the row being updated
E. ROW SHARE lock for the row being updated
F. shared row-exclusive lock for the row being updated
G. ROW EXCLUSIVE lock for the row being updated
Answer: AG

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NO.17 Which statement regarding the contents of the V$PARAMETER view is true?
A. displays only the list of default values
B. displays the current contents of the server parameter file
C. displays the currently in effect parameter values
D. displays the list of all the parameter files of a database
E. displays only the list of all advanced parameters
F. displays only the list of all basic parameters
Answer: C

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NO.18 Examine the following commands executed in your database:
SQL> ALTER SESSION RECYCLEBIN=ON;
Session altered
SQL> CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees; Table created.
Further, you executed the following command to drop the table:
SQL> DROP TABLE emp;
Table dropped.
What happens in this scenario?
A. The table is moved to the SYSTEM tablespace.
B. The table is renamed and remains in the TBSFD tablespace.
C. The table is moved to the SYSAUX tablespace.
D. The table is removed from the database permanently.
Answer: B

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NO.19 The ST_INFO master table has millions of rows that are updated very rarely. It has a STATE_CODE
column that contains the value for 25 states. The table is frequently queried on the STATE_CODE column.
Which type of index would you suggest to improve the query performance?
A. bitmap
B. B-tree
C. function based
D. reverse key
Answer: A

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NO.20 The user SCOTT executes the following command successfully to increase the salary values in one of
his sessions:
SQL> UPDATE emp SET sal=sal*1.15 WHERE deptno=20;
Before SCOTT ends the transaction, user HR who has the privileges on EMP table executes a query to
fetch the salary details but finds the old salary values instead of the increased values.
Why does HR still see the old data?
A. because of redo data from redo log file
B. because of data from a temporary tablespace
C. because of undo data from the undo tablespace
D. because of data from database buffer cache
Answer: C

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Exam Code: 1Z1-046
Exam Name: Oracle (Oracle Database 10g:Managing Orcale on Linux for DBAs)

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NO.1 You attempt to modify the ksms.s library and relink the Oracle database executable to use the address
0X15000000 for the System Global Area (SGA). You receive an error.
Which set of commands would you use to restore the original settings?
A. echo 0X1000000 > ksms.s
make -f ins_rdbms.mk ksms.s
B. echo 0X15000000 > ksms.s
make -f ins_rdbms.mk ioracle
C. make -f ins_rdbms.mk ksms.s
make -f ins_rdbms.mk ioracle
D. genksms > ksms.s
make -f ins_rdbms.mk ksms.o
make -f ins_rdbms.mk ioracle
E. genksms -s 0X10000000 > ksms.o
Answer: D

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NO.2 View the following script:
Which statement is true about the script?
A. The script displays the total number of .dbf files on the local machine.
B. The script will not execute because no value for the $1 variable is given.
C. The script displays the .dbf files in the location given as a value in the positional parameter.
D. The script will give an error because the variable name should contain the letters of the English
alphabet.
Answer: C

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NO.3 ho.sh is an executable shell script. You executed the following command that leads to an error:
What could you do to execute the command successfully in the next attempt?
A. Provide the shell reference with the command.
B. Remove the shell reference present inside the shell script.
C. Execute the command as the root operating system user.
D. The extension for the output file should be changed to .log.
Answer: A

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NO.4 A non-General Public License (GPL) driver was loaded on a Linux machine. To verify that the module
has tainted the kernel, you executed the cat /proc/sys/kernel/tainted command and received the following
output:
[root@edtdr6p1 root]# cat /proc/sys/kernel/tainted
1
What do you infer from the output? (Choose all that apply.)
A. A proprietary module has been loaded.
B. A module is marked unsupported by the vendor.
C. All the loaded modules have General Public License (GPL).
D. A module was force-loaded by using the insmod -f command.
Answer: AD

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NO.5 Which command would you use to identify the users that belong to the oradba group?
A. id -G
B. uname -g
C. grep

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Exam Code: 1Z0-007
Exam Name: Oracle (Introduction to Oracle9i: SQL)

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NO.1 Which three statements correctly describe the functions and use of constraints? (Choose three.)
A.Constraints provide data independence.
B.Constraints make complex queries easy.
C.Constraints enforce rules at the view level.
D.Constraints enforce rules at the table level.
E.Constraints prevent the deletion of a table if there are dependencies.
F.Constraints prevent the deletion of an index if there are dependencies.
Answer: CDE

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NO.2 Evaluate this SQL statement:
SELECT e.employee_id, (.15* e.salary) + (.5 * e.commission_pct)
+ (s.sales_amount * (.35 * e.bonus)) AS CALC_VALUE
FROM employees e, sales s
WHERE e.employee_id = s.emp_id;
What will happen if you remove all the parentheses from the calculation?
A.The value displayed in the CALC_VALUE column will be lower.
B.The value displayed in the CALC_VALUE column will be higher.
C.There will be no difference in the value displayed in the CALC_VALUE column.
D.An error will be reported.
Answer: C

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NO.3 What are two reasons to create synonyms? (Choose two.)
A.You have too many tables.
B.Your tables are too long.
C.Your tables have difficult names.
D.You want to work on your own tables.
E.You want to use another schema's tables.
F.You have too many columns in your tables.
Answer: CE

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NO.4 Which two are attributes of iSQL*Plus? (Choose two.)
A.iSQL*Plus commands cannot be abbreviated.
B.iSQL*Plus commands are accessed from a browser.
C.iSQL*Plus commands are used to manipulate data in tables.
D.iSQL*Plus commands manipulate table definitions in the database.
E.iSQL*Plus is the Oracle proprietary interface for executing SQL statements.
Answer: BE

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NO.5 Evaluate this SQL statement:
SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAME
FROM EMPLOYEES e, DEPARTMENTS d
WHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID;
In the statement, which capabilities of a SELECT statement are performed?
A.selection, projection, join
B.difference, projection, join
C.selection, intersection, join
D.intersection, projection, join
E.difference, projection, product
Answer: A

Oracle   1Z0-007   1Z0-007

NO.6 Which SQL statement generates the alias Annual Salary for the calculated column SALARY*12?
A.SELECT ename, salary*12 'Annual Salary'
FROM employees;
B.SELECT ename, salary*12 "Annual Salary"
FROM employees;
C.SELECT ename, salary*12 AS Annual Salary
FROM employees;
D.SELECT ename, salary*12 AS INITCAP("ANNUAL SALARY")
FROM employees
Answer: B

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NO.7 The STUDENT_GRADES table has these columns:
STUDENT_ID NUMBER(12)
SEMESTER_END DATE
GPA NUMBER(4,3)
The registrar requested a report listing the students' grade point averages (GPA) sorted from highest
grade point average to lowest.
Which statement produces a report that displays the student ID and GPA in the sorted order requested by
the registrar?
A.SELECT student_id, gpa
FROM student_grades
ORDER BY gpa ASC;
B.SELECT student_id, gpa
FROM student_grades
SORT ORDER BY gpa ASC;
C.SELECT student_id, gpa
FROM student_grades
SORT ORDER BY gpa;
D.SELECT student_id, gpa
FROM student_grades
ORDER BY gpa;
E.SELECT student_id, gpa
FROM student_grades
SORT ORDER BY gpa DESC;
F.SELECT student_id, gpa
FROM student_grades
ORDER BY gpa DESC;
Answer: F

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NO.8 Which two statements are true about constraints? (Choose two.)
A.The UNIQUE constraint does not permit a null value for the column.
B.A UNIQUE index gets created for columns with PRIMARY KEY and UNIQUE constraints.
C.The PRIMARY KEY and FOREIGN KEY constraints create a UNIQUE index.
D.The NOT NULL constraint ensures that null values are not permitted for the column.
Answer: BD

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NO.9 Which is an iSQL*Plus command?
A.INSERT
B.UPDATE
C.SELECT
D.DESCRIBE
E.DELETE
F.RENAME
Answer: D

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NO.10 Click the Exhibit button and examine the data in the EMPLOYEES table.
Which three subqueries work? (Choose three.)
A.SELECT *
FROM employees
where salary > (SELECT MIN(salary)
FROM employees
GROUP BY department_id);
B.SELECT *
FROM employees
WHERE salary = (SELECT AVG(salary)
FROM employees
GROUP BY department_id);
C.SELECT distinct department_id
FROM employees
WHERE salary > ANY (SELECT AVG(salary)
FROM employees
GROUP BY department_id);
D.SELECT department_id
FROM employees
WHERE salary > ALL (SELECT AVG(salary)
FROM employees
GROUP BY department_id);
E.SELECT last_name
FROM employees
WHERE salary > ANY (SELECT MAX(salary)
FROM employees
GROUP BY department_id);
F.SELECT department_id
FROM employees
WHERE salary > ALL (SELECT AVG(salary)
FROM employees
GROUP BY AVG(SALARY));
Answer: CDE

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NO.11 What does the FORCE option for creating a view do?
A.creates a view with constraints
B.creates a view even if the underlying parent table has constraints
C.creates a view in another schema even if you don't have privileges
D.creates a view regardless of whether or not the base tables exist
Answer: D

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NO.12 Which SQL statement defines a FOREIGN KEY constraint on the DEPTNO column of the EMP table?
A.CREATE TABLE EMP
(empno NUMBER(4),
ename VARCHAR2(35),
deptno NUMBER(7,2) NOT NULL,
CONSTRAINT emp_deptno_fk FOREIGN KEY deptno
REFERENCES dept deptno);
B.CREATE TABLE EMP
(empno NUMBER(4),
ename VARCHAR2(35),
deptno NUMBER(7,2)
CONSTRAINT emp_deptno_fk REFERENCES dept (deptno));
C.CREATE TABLE EMP
(empno NUMBER(4),
ename VARCHAR2(35),
deptno NUMBER(7,2) NOT NULL,
CONSTRAINT emp_deptno_fk REFERENCES dept (deptno)
FOREIGN KEY (deptno));
D.CREATE TABLE EMP
(empno NUMBER(4),
ename VARCHAR2(35),
deptno NUMBER(7,2) FOREIGN KEY
CONSTRAINT emp_deptno_fk REFERENCES dept (deptno));
Answer: B

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NO.13 In which three cases would you use the USING clause? (Choose three.)
A.You want to create a nonequijoin.
B.The tables to be joined have multiple NULL columns.
C.The tables to be joined have columns of the same name and different data types.
D.The tables to be joined have columns with the same name and compatible data types.
E.You want to use a NATURAL join, but you want to restrict the number of columns in the join condition.
Answer: CDE

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NO.14 Evaluate this SQL statement:
SELECT ename, sal, 12*sal+100
FROM emp;
The SAL column stores the monthly salary of the employee. Which change must be made to the above
syntax to calculate the annual compensation as "monthly salary plus a monthly bonus of $100, multiplied
by 12"?
A.No change is required to achieve the desired results.
B.SELECT ename, sal, 12*(sal+100)
FROM emp;
C.SELECT ename, sal, (12*sal)+100
FROM emp;
D.SELECT ename, sal+100,*12
FROM emp;
Answer: B

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NO.15 Which are iSQL*Plus commands? (Choose all that apply.)
A.INSERT
B.UPDATE
C.SELECT
D.DESCRIBE
E.DELETE
F.RENAME
Answer: D

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NO.16 Which view should a user query to display the columns associated with the constraints on a table
owned by the user?
A.USER_CONSTRAINTS
B.USER_OBJECTS
C.ALL_CONSTRAINTS
D.USER_CONS_COLUMNS
E.USER_COLUMNS
Answer: D

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NO.17 You need to design a student registration database that contains several tables storing academic
information.
The STUDENTS table stores information about a student. The STUDENT_GRADES table stores
information about the student's grades. Both of the tables have a column named STUDENT_ID. The
STUDENT_ID column in the STUDENTS table is a primary key.
You need to create a foreign key on the STUDENT_ID column of the STUDENT_GRADES table that
points to the STUDENT_ID column of the STUDENTS table. Which statement creates the foreign key?
A.CREATE TABLE student_grades
(student_id NUMBER(12),
semester_end DATE,
gpa NUMBER(4,3),
CONSTRAINT student_id_fk REFERENCES (student_id)
FOREIGN KEY students(student_id));
B.CREATE TABLE student_grades
(student_id NUMBER(12),
semester_end DATE,
gpa NUMBER(4,3),
student_id_fk FOREIGN KEY (student_id)
REFERENCES students(student_id));
C.CREATE TABLE student_grades
(student_id NUMBER(12),
semester_end DATE,
gpa NUMBER(4,3),
CONSTRAINT FOREIGN KEY (student_id)
REFERENCES students(student_id));
D.CREATE TABLE student_grades
(student_id NUMBER(12),
semester_end DATE,
gpa NUMBER(4,3),
CONSTRAINT student_id_fk FOREIGN KEY (student_id)
REFERENCES students(student_id));
Answer: D

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NO.18 A SELECT statement can be used to perform these three functions:
1. Choose rows from a table.
2. Choose columns from a table.
3. Bring together data that is stored in different tables by creating a link between them.
Which set of keywords describes these capabilities?
A.difference, projection, join
B.selection, projection, join
C.selection, intersection, join
D.intersection, projection, join
E.difference, projection, product
Answer: B

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NO.19 The CUSTOMERS table has these columns:
CUSTOMER_ID NUMBER(4) NOT NULL
CUSTOMER_NAME VARCHAR2(100) NOT NULL
STREET_ADDRESS VARCHAR2(150)
CITY_ADDRESS VARCHAR2(50)
STATE_ADDRESS VARCHAR2(50)
PROVINCE_ADDRESS VARCHAR2(50)
COUNTRY_ADDRESS VARCHAR2(50)
POSTAL_CODE VARCHAR2(12)
CUSTOMER_PHONE VARCHAR2(20)
The CUSTOMER_ID column is the primary key for the table.
You need to determine how dispersed your customer base is. Which expression finds the number of
different countries represented in the CUSTOMERS table?
A.COUNT(UPPER(country_address))
B.COUNT(DIFF(UPPER(country_address)))
C.COUNT(UNIQUE(UPPER(country_address)))
D.COUNT DISTINCT UPPER(country_address)
E.COUNT(DISTINCT (UPPER(country_address)))
Answer: E

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NO.20 The CUSTOMERS table has these columns:
CUSTOMER_ID NUMBER(4) NOT NULL
CUSTOMER_NAME VARCHAR2(100) NOT NULL
CUSTOMER_ADDRESS VARCHAR2(150)
CUSTOMER_PHONE VARCHAR2(20)
You need to produce output that states "Dear Customer customer_name, ".
The customer_name data values come from the CUSTOMER_NAME column in the CUSTOMERS table.
Which statement produces this output?
A.SELECT dear customer, customer_name,
B.SELECT "Dear Customer", customer_name || ','
FROM customers;
C.SELECT 'Dear Customer ' || customer_name ','
FROM customers;
D.SELECT 'Dear Customer ' || customer_name || ','
FROM customers;
E.SELECT "Dear Customer " || customer_name || ","
FROM customers;
F.SELECT 'Dear Customer ' || customer_name || ',' ||
FROM customers;
Answer: D

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Exam Code: 1Z0-031
Exam Name: Oracle (Oracle9i database:fundamentals i)

1Z0-031 (Oracle9i database:fundamentals i) Free Demo Download: http://www.it-tests.com/1Z0-031.html

NO.1 In your database, you observe that a database user is executing a lot of CPU-intensive queries,
thereby causing the database performance to degrade. You want to restrict the resource utilization of that
user without affecting other database users. Which two options can you use? (Choose two.)
A. start the database in QUIESCED mode
B. use the Database Resource Manager to prioritize CPU usage
C. grant the RESTRICTED SESSION system privilege to the user
D. create a profile with resource restriction and assign it to the user
E. create a database trigger to monitor user queries and to terminate the user session if the CPU usage
exceeds a threshold value
Answer: BD

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NO.2 Examine these statements: 1) MOUNT mounts the database for certain DBA activities but does not
provide user access to the database. 2) The NOMOUNT command creates only the Data Buffer but does
not provide access to the database. 3 ) The OPEN command enables users to access the database. 4)
The STARTUP command starts an instance.
Which option correctly describes whether some or all of the statements are TRUE or FALSE?
A. 2 and 3 areTRUE
B. 1 and 3 areTRUE
C. 1 is TRUE, 4 is FALSE
D. 1 is FALSE, 4 is TRUE
E. 1 is FALSE, 3 is TRUE F. 2 is FALSE, 4 is FALSE
Answer: B

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NO.3 You created a tablespace SH_TBS. The tablespace consists of two data files: sh_tbs_data1.dbf and
sh_tbs_data2.dbf.You created a nonpartitioned table SALES_DET in the SH_TBS tablespace. Which two
statements are true? (Choose two.)
A. The data segment is created as soon as the table is created.
B. The data segment is created when the first row in the table is inserted.
C. You can specify the name of the data file where the data segment should be stored.
D. The header block of the data segment contains a directory of the extents in the segment.
Answer: AD

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NO.4 You intend to use only password authentication and have used the password file utility to create a
password file as follows:
$orapwd file=$ORACLE_HOME/dbs/orapwDB01 password=orapass entries=5 The
REMOTE_LOGIN_PASSWORDFILE initialization parameter is set to NONE. You created a user and
granted only the SYSDBA privilege to that user as follows:
CREATE USER dba_user IDENTIFIED BY dba_pass; GRANT sysdba TO dba_user; The user attempts
to connect to the database as follows: connect dba_user/dba_pass as sysdba; Why does the connection
fail?
A. The DBA privilege was not granted to dba_user.
B. REMOTE_LOGIN_PASSWORDFILE is not set to EXCLUSIVE.
C. The password file has been created in the wrong directory.
D. The user did not specify the password orapass to connect as SYSDBA.
Answer: B

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NO.5 You plan to enable user tracing in your database. You changed the value of the SQL_TRACE
parameter to TRUE in the initialization parameter file and restarted the database. Which statement is true
in this scenario?
A. A trace file created at the time of creating the database is used and updated.
B. A trace file is created every time the database starts up and is common to all the sessions.
C. A trace file is created for every schema and is common to all the sessions connected to that schema.
D. A trace file is created for every new session and is updated whenever a SQL statement is executed in
that session.
Answer: D

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NO.6 Which three statements regarding an extent are true? (Choose three.)
A. It can belong to multiple segments.
B. It is a set of contiguous data blocks.
C. It can be allocated manually to a segment.
D. It may be deallocated when a table is truncated.
E. It is allocated when a new column without a DEFAULT value is added to a table.
Answer: BCD

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NO.7 You created the password file in your database server as follows: $ orapwd
file=$ORACLE_HOME/dbs/orapwdb password=dba entries=2 Further, you granted the SYSDBA
privilege to the user SCOTT who has TIGER as the password. What effect would the assigning of this
privilege have on Scott's password?
A. The password will not be effected and remain as TIGER.
B. The password will change from TIGER to DBA.
C. The password will be DBA when he connects as SYSDBA, and he can use either TIGER or DBA when
connecting asa normal user.
D. The password will be DBA when SCOTT connects as SYSDBA, and TIGER when connecting as a
normal user.
Answer: A

Oracle   1Z0-031   1Z0-031   1Z0-031 original questions

NO.8 Your database is currently configured with the database character set to WE8ISO8859P1 and
national character set toAL16UTF16.Business requirements dictate the need to expand language
requirements beyond the current character set, for Asian and additional Western European languages, in
the form of customer names and addresses. Which solution saves space storing Asian characters and
maintains consistent character manipulation performance?
A. Use SQL CHAR data types and change the database character set to UTF8.
B. Use SQL NCHAR data types and change the national character set to UTF8.
C. Use SQL CHAR data types and change the database character set to AL32UTF8.
D. Use SQL NCHAR data types and keep the national character set to AL16UTF16.
Answer: D

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NO.9 Which statement regarding the creation of a dictionary-managed tablespace is true?
A. You cannot set the tablespace for NOLOGGING mode.
B. You can set segment space management clause to auto.
C. You can specify default storage for dictionary-managed tablespaces.
D. You cannot specify default storage for a tablespace that consists of an autoextensible data file.
Answer: C

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NO.10 Which command can you use to display the date and time in the form 17:45:01 JUL-12-2000 using the
default US7ASCII character set?
A. ALTER SYSTEM SET NLS_DATE_FORMAT='HH24:MI:SS MON-DD-YYYY';
B. ALTER SESSION SET DATE_FORMAT='HH24:MI:SS MON-DD-YYYY';
C. ALTER SESSION SET NLS_DATE_FORMAT='HH24:MI:SS MON-DD-YYYY';
D. ALTER SYSTEM SET NLS_DATE_FORMAT='HH:MI:SS MON-DD-YYYY';
Answer: C

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NO.11 ABC Company consolidated into one office building, so the very large EMPLOYEES table no longer
requires the
OFFICE_LOCATION column. The DBA decided to drop the column using the syntax below: ALTER
TABLE hr.employees DROP COLUMN building_location CASCADE CONSTRAINTS;
Dropping this column has turned out to be very time consuming and is requiring a large amount of undo
space. What could the DBA have done to minimize the problem regarding time and undo space
consumption?
A. Use the Export and Import utilities to bypass undo.
B. Mark the column as UNUSED. Remove the column at a later time when less activity is on the system.
C. Drop all indexes and constraints associated with the column prior to dropping the column.
D. Mark the column INVALID prior to beginning the drop to bypass undo. Remove the column using the
DROP UNUSED COLUMNS command.
E. Add a checkpoint to the DROP UNUSED COLUMNS command to minimize undo space.
Answer: B

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NO.12 Which process is started when a user connects to the Oracle server in a dedicated server mode?
A. DBWn
B. PMON
C. SMON
D. Server
Answer: D

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NO.13 In which situation should the control file be backed up?
A. when a checkpoint occurs
B. when you create a new schema
C. when you add a data file to a tablespace
D. when you execute any transactional control command
Answer: C

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NO.14 In your initialization parameter file, the RESOURCE_LIMIT parameter is set to FALSE. The database
users have a profile that contains both password and resource restrictions. What is the impact of this
parameter setting on the sessions of the database users?
A. All profile restrictions are effective for the sessions.
B. None of the profile restrictions are effective for the sessions.
C. Only the password restrictions are effective for the sessions.
D. No sessions can be created because the parameter is set to False.
Answer: C

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NO.15 When an Oracle instance is started, background processes are started. Background processes
perform which twofunctions? (Choose two.)
A. perform I/O
B. lock rows that are not data dictionary rows
C. monitor other Oracle processes
D. connect users to the Oracle instance
E. execute SQL statements issued through an application
Answer: AC

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NO.16 Which two statements are true regarding temporary data files (temp files) in locally managed
temporary tablespaces? (Choose two.)
A. Temp files are always set to NOLOGGING mode.
B. It is possible to rename temp files.
C. Temp files can be created by the ALTER DATABASE command.
D. Temp files are required for read-only databases.
E. Temp files can be made read only.
Answer: AD

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NO.17 Which constraint state prevents new data that violates the constraint from being entered, but allows
invalid data toexist in the table?
A. ENABLE VALIDATE
B. DISABLE VALIDATE
C. ENABLE NOVALIDATE
D. DISABLE NOVALIDATE
Answer: C

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NO.18 Which are considered types of segments?
A. only LOBs
B. only nested tables
C. only index-organized tables
D. only LOBs and index-organized tables
E. only nested tables and index-organized tables
F. only LOBs, nested tables, and index-organized tables
G. nested tables, LOBs, index-organized tables, and boot straps
Answer: G

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NO.19 An INSERT statement failed and is rolled back. What does this demonstrate?
A. insert recovery
B. read consistency
C. transaction recovery
D. transaction rollback
Answer: D

Oracle test   1Z0-031   1Z0-031

NO.20 Which password management feature ensures a user cannot reuse a password for a specified time
interval?
A. Account Locking
B. Password History
C. Password Verification
D. Password Expiration and Aging
Answer: B

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