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Exam Code: 1Z0-046
Exam Name: Oracle (Oracle Database 10g: Managing Oracle on Linux for DBAs)
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1Z0-046 (Oracle Database 10g: Managing Oracle on Linux for DBAs) Free Demo Download: http://www.it-tests.com/1Z0-046.html
NO.1 Which three statements are true about the built-in shell variables? (Choose three.)
A.The $? variable stores true and false values.
B.The $* variable stores all the command-line parameters passed.
C.The $# variable stores the total number of command-line parameters.
D.The values for these variables are retained in the session until it is reset.
E.The $n variable can store n number of positional command-line parameters.
ANSWER: BCE
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NO.2 Match the following commands with the purpose they are used for:
i chmod a) To create a file with the desired time stamp
ii touch b) To use the variable of the parent shell in child shell
iii alias c) To give write permission to a directory
iv uname d) To simplify long commands
v export e) To see the Linux release number
A.i-a, ii-e, iii-d, iv-c, v-b
B.i-c, ii-a, iii-e, iv-d, v-b
C.i-c, ii-e, iii-b, iv-a, v-b
D.i-c, ii-a, iii-d, iv-e, v-b
ANSWER: D
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NO.3 ho.sh is an executable shell script. You executed the following command that leads to an error:
$ strace -o /tmp/ho.out ./ho.sh
strace: exec: Permission denied
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 Which command is used to identify the kernel version number?
A.which
B.whatis
C.uname -r
D.ulimit -m
E.chkconfig
ANSWER: C
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NO.5 View the Exhibit and examine the output.
What do you infer from this? (Choose all that apply.)
A.The command output is stored in the pmon.txt file.
B.The command shows all the processes running on the machine.
C.The command appends the pmon.txt file with the output of the command.
D.The command shows only those processes that contain the text _pmon running on your machine.
E.The logs generated while executing the command will be stored in the pmon.txt file.
ANSWER: AD
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NO.6 You logged in as user user1 on a Linux machine. You need to check which groups you belong to.
Which commands will you use? (Choose two.)
A.id
B.uname -G
C.cat /etc/passwd
D.cat /etc/group
E.cat .bash_profile
ANSWER: AD
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NO.7 You executed the ipcs -m command to list all the shared memory segments in your Oracle server.
View the Exhibit exhibit1 that shows the output of this command.
Later, you executed the same command to check the shared memory segments.
View the Exhibit exhibit2 that shows the output of this command.
Why is the large shared memory segment not listed in the second Exhibit?
A.The Oracle database instance is shut down.
B.The swap space has been increased in the system.
C.The Oracle database instance is configured in shared server mode.
D.The large pool size set for the Oracle database instance is reset to zero.
ANSWER: A
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NO.8 The OS user BOB is a member the osoper OS group in the database server. You want BOB :
Which of the option would fulfill the requirement?
A.Assign the sysdba privilege to BOB.
B.Assign the osdba OS group to BOB.
C.Set the REMOTE_LOGIN_PASSWORDFILE initialization parameter to SHARED.
D.Set the REMOTE_LOGIN_PASSWORDFILE initialization parameter to EXCLUSIVE.
ANSWER: B
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NO.9 View the Exhibit.
Which two statements are true about the output of the cat /proc/partitions command? (Choose two.)
A.The hard disk has four partitions.
B.The hard disk has six partitions.
C.The swap partition is not shown in the output.
D.The major column shows the device number with partitions.
E.The #blocks column shows the number of inode blocks in that partition.
ANSWER: AD
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NO.10 View the following script:
if [ -d $1 ]
then
for Data in `ls $1 *|tr -s " "| grep .dbf`
do
echo $Data
done
else
echo -e "No Directory specified"
fi
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.11 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.12 You need to ensure that whenever you create a new file, it should have the following set of permissions:
u=rwx,g=rx,o=rx.
Which statement can you add to the .bashrc script to set the desired file permissions?
A.umask 455
B.umask 012
C.umask 0755
D.chmod u=rwx,g=rx,o=rx
ANSWER: C
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NO.13 You want to install Oracle Database 10g on a Linux machine. You want to ensure that no tainted
modules are loaded on the kernel. Which commands will you execute to achieve this?
A.uname -r
B.uname -v
C.cat /proc/version
D.cat /proc/sys/kernel/tainted
ANSWER: D
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NO.14 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.15 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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