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QUESTION NO: 1
You located a file created in /home successfully by using the slocate command. You found that the slocate command could locate that file even after deletion. What could be the possible solution to stop listing deleted files? (Choose all that apply.)
A. Run updatedb to update the database.
B. Run slocate -u to update the database.
C. Use the locate command instead of slocate.
D. Delete the /var/lib/slocate/slocate.db file because it buffers all search results.
E. Reboot the system so that it will update the kernel memory because the kernel stores all results in the memory.
Answer: A,B
QUESTION NO: 2
As an administrator, you mounted the /exports/projects NFS exported directory from a server on a LAN using the default NFS settings. You find the performance to be low. Which NFS mount options can you use to increase the performance?
A. set rsize=8192 and wsize=8192.
B. set rsize=32768 and wsize=32768.
C. set wsize=8192 and keep the read packet size at the default.
D. set rsize=8192 and keep the write packet size at the default.
E. set rsize=32768 and keep the write packet size at the default.
F. set wsize=32768 and keep the read packet size at the default.
Answer: A
QUESTION NO: 3
Two users, bob on station1 and smith on station2, generated a public/private key pair using sshkeygen to enable password-less secure shell login between them. What would be their next step to accomplish the task?
A. Copy the private key of bob to station2:~smith and vice versa.
B. Copy the key pair of bob to station2:~smith/.ssh as public and private keys.
C. Copy the private key of bob to station2:~smith/.ssh/authorized_keys and vice versa.
D. Copy the public key of bob to station1:~smith/.ssh/authorized_keys and vice versa.
E. Copy the public key of bob to station2:~smith/.ssh/authorized_keys and vice versa.
Answer: E
QUESTION NO: 4
Match the following shell special characters with their usage:
1) \ a) used in pairs to quote other special characters so they will not be interpreted by the shell or to embed blanks
2) ‘ ? b) variable substitution
3) { } ~ c) used to escape the special meaning of the next character
4) $ d) wildcard file name expansion
A. 1-c, 2-b, 3-a, 4-d
B. 1-b, 2-d, 3-c, 4-a
C. 1-c, 2-a, 3-d, 4-b
D. 1-c, 2-a, 3-b, 4-d
E. 1-d, 2-a, 3-c, 4-b
F. 1-d, 2-c, 3, b, 4-a
Answer: C
