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Question 1

Given a file called birthdays containing lines like:YYYY-MM-DD Name1983-06-02 Tim1995-12-17 SueWhich command would you use to output the lines belonging to all people listed whosebirthday is in May or June?

Options :

A : grep '[56]' birthdays

B : grep 05?6? birthdays

C : grep '[0-9]*-0[56]-' birthdays

D : grep 06 birthdays | grep 05

Answer: C

Question 2

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

Options :

A : <

B : <<<

C : >

D : >>>

E : %>

Answer: A,B,C

Question 3

What is true regarding TCP port 23?

Options :

A : Port 23 is the well known port for the telnet service which is a plain text protocol that should no longer be used.

B : Port 23 is the well known port for the SSH service which provides secure logins.

C : Port 23 is the well known port for the rlogin service which is SSL secured by default.

D : Port 23 is the well known port for the system login services which are encrypted when the user runs the starttls command in his login shell.

Answer: A

Question 4

Which of the following commands will send output from the program myapp to bothstandard output (stdout) and the file file1.log?

Options :

A : cat < myapp | cat> file1.log

B : myapp 0>&1 | cat > file1.log

C : myapp | cat > file1.log

D : myapp | teefile1.log

E : tee myapp file1.log

Answer: D

Question 5

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

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