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Oracle Enterprise Linux: Fundamentals Sample Questions:
1. Which two commands would you use to kill all the processes owned by the user smith? (Choose two.)
A) ski -9 -u smith
B) pki -1 -u smith
C) pki -9 -u smith
D) pki -19-u smith
E) ski -1 -u smith
2. Observe the following while loop:
while true do echo " Welcome" sleep 5 done
What does the while statement do in the script when the condition is true?
A) It executes the echo command infinitely with a sleep time of 5 minutes.
B) It executes the echo command 5 times with a sleep time of 5 seconds.
C) It executes the echo command infinitely with a sleep time of 5 seconds.
D) It executes the echo command 5 times with a sleep time of 5 minutes.
3. As an administrator you want to make sure that accidentally you do not delete files using rm command. You also want to make sure that even the use of rm command without any valid switches prompts for confirmation before file deletion. Which option would help you achieve this task?
A) alias rm="rm -r".
B) alias rm="rm -i".
C) alias rm="rm -v".
D) alias rm="rm -f.
4. The free command reports slightly less memory than the actual total memory available. Why is it so?
A) The kernel remains in the main memory while the computer is in operation and the memory it occupies can never be freed.
B) The zombie processes that exist in the process table occupy a slightly less portion of the main memory that can only be freed on reboot.
C) The multiple instances of a program like shell, being run, consumes a portion of the main memory that cannot be freed.
D) The swap space occupies a portion of the main memory that can never be freed.
5. As root you have issued the following command :
[root@station2]# rpmbuild --rebuild sendmail-8.12.8-9.80.src.rpm
What does the rpmbuild command do? (Choose two.)
A) It builds the sendmail source package.
B) It only compiles the binary software produced from the sendmail source package.
C) It does both the compilation and installation of the binary software produced from the sendmail source package.
D) It only installs the binary software produced from the sendmail source package.
Solutions:
Question # 1 Answer: A,C | Question # 2 Answer: C | Question # 3 Answer: B | Question # 4 Answer: A | Question # 5 Answer: A,C |