Question 1

Which of the following are valid stream redirection operators within Bash? (Choose THREE

correct answers.)

Options :

A : <

B : <<<

C : >

D : >>>

E : %>

Answer: A,B,C

Question 2

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 3

Which configuration file would be edited to change default options for the OpenSSH

server?

Options :

A : /etc/ssh/sshd_config

B : /etc/ssh/ssh

C : /etc/ssh/server

D : /etc/ssh/ssh_config

E : /etc/ssh/ssh_server

Answer: A

Question 4

Which of the following commands is used to change options and positional parameters for

a runningBash?

Options :

A : history

B : set

C : bashconf

D : setsh

E : envsetup

Answer: B

Question 5

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 connect

to remote hosts.

Answer: B