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Q31. – (Topic 1) 

When the command echo $$ outputs 12942, what is the meaning of 12942? 

A. It is the process ID of the echo command. 

B. It is the process ID of the current shell. 

C. It is the process ID of the last command executed. 

D. It is the process ID of the last command which has been placed in the background. 


Q32. – (Topic 5) 

Which of the following commands will help identify a broken router between the local and the remote machine? 

A. ps 

B. netstat 

C. nslookup 

D. ifconfig 

E. traceroute 


Q33. – (Topic 5) 

Which of the following keywords can be used in the file /etc/resolv.conf? (Choose TWO correct answers.) 

A. substitute 

B. nameserver 

C. search 

D. lookup 

E. method 

Answer: B,C 

Q34. – (Topic 3) 

Which commands can be used to change a user's account aging information? (Choose THREE correct answers.) 

A. usermod 

B. passwd 

C. chattr 

D. chage 

E. chsh 

Answer: A,B,D 

Q35. – (Topic 4) 

Which of the following parameters are used for journalctl to limit the time frame of the output? (Choose TWO correct answers.) 

A. –from= 

B. –since= 

C. –until= 

D. –upto= 

E. –date= 

Answer: B,C 

Q36. – (Topic 1) 

What is the difference between the commands test -e path and test -f path? 

A. They are equivalent options with the same behaviour. 

B. The -f option tests for a regular file. The -e option tests for an empty file. 

C. Both options check the existence of the path. The -f option also confirms that it is a regular file. 

D. The -f option tests for a regular file. The -e option tests for an executable file. 


Q37. – (Topic 4) 

What is true regarding the file ~/.forward? 

A. As it is owned by the MTA and not writable by the user, it must be edited using the editaliases command. 

B. After editing ~/.forward the user must run newaliases to make the mail server aware of the changes. 

C. Using ~/.forward, root may configure any email address whereas all other users may configure only their own addresses. 

D. When configured correctly, ~/.forward can be used to forward each incoming mail to more than one other recipient. 


Q38. – (Topic 5) 

Which of the following statements is valid in the file /etc/nsswitch.conf? 

A. multi on 

B. dns-server 

C. hosts: files dns 

D. include /etc/nsswitch.d/ 


Q39. CORRECT TEXT – (Topic 3) 

The system's timezone may be set by linking /etc/localtime to an appropriate file in which directory? (Provide the full path to the directory, without any country information) 

Answer: /usr/share/zoneinfo/ 

Q40. CORRECT TEXT – (Topic 3) 

Which file specifies the user accounts that can NOT submit jobs via at or batch? (Provide the full path and filename) 

Answer: /etc/at.deny