Question 1

Which of the following commands set the sticky bit for the directory /tmp? (Choose TWO correct answers.)

Options :

A : chmod +s /tmp

B : chmod +t /tmp

C : chmod 1775 /tmp

D : chmod 4775 /tmp

E : chmod 2775 /tmp

Answer: B,C

Question 2

Which of the following commands is used to change metadata and options for ext3 filesystems?

Options :

A : mod3fs

B : tune3fs

C : mod2fs

D : tune2fs

E : dump2fs

Answer: D

Question 3

Which of the following commands can be used to locate programs and their corresponding man pages and configuration files?

Options :

A : dirname

B : which

C : basename

D : query

E : whereis

Answer: A

Question 4

After running the command umount /mnt, the following error message is displayed:umount: /mnt: device is busy.What is a common reason for this message?

Options :

A : The kernel has not finished flushing disk writes to themounted device.

B : A user has a file open in the /mnt directory.

C : Another file system still contains a symlink to a file inside /mnt.

D : The files in /mnt have been scanned and added to the locate database.

E : The kernel thinks that a process is about toopen a file in /mnt for reading.

Answer: B

Question 5

Which of the following are valid stream redirection operators within Bash? (Choose THREE correct answers.)

Options :

A : <

B : <<<

C : >

D : >>>

E : V

Answer: A,B,C

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