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Q41. CORRECT TEXT - (Topic 5) 

How many IP-addresses can be used for unique hosts inside the IPv4 subnet 192.168.2.128/28? (Specify the number only without any additional information.) 

Answer: 14 


Q42. - (Topic 5) 

Which of the following may occur as a consequence of using the command ifconfig? (Choose THREE correct answers.) 

A. New name servers may be added to the resolver configuration. 

B. Network interfaces may become active or inactive. 

C. The routing table may change. 

D. IP addresses may change. 

E. The system's host name may change. 

Answer: B,C,D 


Q43. - (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. 

Answer: D 


Q44. - (Topic 6) 

Which command is used to set restrictions on the size of a core file that is created for a user when a program crashes? 

A. core 

B. edquota 

C. ulimit 

D. quota 

Answer: C 


Q45. - (Topic 4) 

Which of the following are syslog facilities? (Choose TWO correct answers.) 

A. local7 

B. mail 

C. advanced 

D. postmaster 

E. remote 

Answer: A,B 


Q46. - (Topic 3) 

Which file contains the date of the last change of a user's password? 

A. /etc/gshadow 

B. /etc/passwd 

C. /etc/pwdlog 

D. /etc/shadow 

E. /var/log/shadow 

Answer: D 


Q47. - (Topic 1) 

When the command echo $ outputs 1, which of the following statements is true? 

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

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

C. It is the exit value of the command executed immediately before echo. 

D. It is the exit value of the echo command. 

Answer: C 


Q48. - (Topic 3) 

Each entry in a crontab must end with what character? 

A. Tab 

B. Space 

C. Backslash 

D. Newline 

Answer: D 


Q49. - (Topic 2) 

What is the purpose of a screen reader? 

A. It reads text displayed on the screen to blind or visually impaired people. 

B. It reads the parameters of the attached monitors and creates an appropriate X11 configuration. 

C. It displays lines and markers to help people use speed reading techniques. 

D. It manages and displays files that contain e-books. 

Answer: A 


Q50. - (Topic 5) 

What is true regarding a default route? 

A. The default route is always used first. When the default route is not available more specific routes are tried. 

B. When a default route is set, all other routes are disabled until the default route is deleted. 

C. The default route is only used if there is not a more specific route to a destination host or network. 

D. Without a default route, no network communication even in directly attached networks is possible. 

Answer: C