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Question 1

Which of the following kernel parameters instructs the kernel to suppress most boot messages?

Options :

A : silent

B : verbose=0

C : nomesg

D : quiet

Answer: D

Question 2

Which of the following statements is correct regarding the command foo 1> bar?

Options :

A : The stdout from the command foo is appended to the file bar.

B : The stdout from the command foo overwrites the file bar.

C : The commandfoo receives its stdin from the file bar.

D : The command foo receives its stdin from the stdout of the command bar.

E : The stderr from the command foo is saved to the file bar.

Answer: B

Question 3

What is a purpose of an SSH host key?

Options :

A : It must be sent by any SSH client in addition to a user key in order to identify the client's host.

B : It provides the server-s identity information to connecting SSH clients.

C : It is the root key by which all user SSH keys must be signed.

D : It authenticates any user that logs into a remote machine from the key-s host.

E : It is used by system services like cron, syslog or a backup job to automatically connectto remote hosts.

Answer: B

Question 4

Which of the following files, located in the user home directory, is used to store the Bashhistory?

Options :

A : .bash_history

B : .bash_histfile

C : .history

D : .bashrc_history

E : .history_bash

Answer: A

Question 5

Which of the following are requirements in order to run a shell script like a regularcommand from anywhere in the filesystem? (Choose THREE correct answers.)

Options :

A : The user issuing the command must be in the group script.

B : The script file must be found in the $PATH.

C : The script file must have the executable permission bit set.

D : The script must begin with a shebang-line (#!) that points to the correct interpreter.

E : The file system on which the script resides must be mounted with the option scripts.

Answer: B,C,D