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Q51. – (Topic 1) 

Which of the following commands lists all defined variables and functions within Bash? 

A. env 

B. set 

C. env -a 

D. echo $ENV 


Q52. CORRECT TEXT – (Topic 3) 

Which command is used to add an empty group to the system? (Specify ONLY the command without any path or parameters.) 

Answer: groupadd, /usr/sbin/groupadd 

Q53. – (Topic 6) 

Which of the following commands connects to the remote host which has OpenSSH listening on TCP port 2222? (Choose TWO correct answers.) 

A. ssh –port 2222 

B. ssh -p 2222 

C. ssh -o Port=2222 

D. ssh -o GatewayPort=2222 

E. ssh 

Answer: B,C 

Q54. – (Topic 4) 

Which of the following commands is used to rotate, compress, and mail system logs? 

A. rotatelog 

B. striplog 

C. syslogd –rotate 

D. logrotate 

E. logger 


Q55. – (Topic 3) 

Which of the following files assigns a user to its primary group? 

A. /etc/pgroup 

B. /etc/shadow 

C. /etc/group 

D. /etc/passwd 

E. /etc/gshadow 


Q56. – (Topic 2) 

Which of the following commands shows the current color depth of the X Server? 

A. xcd 

B. xcdepth 

C. xwininfo 

D. xcolordepth 

E. cat /etc/X11 


Q57. – (Topic 3) 

Which of the following commands can remove a user from a group? 

A. grouprm 

B. groupmod 

C. passwd 

D. usergroups 

E. usermod 


Q58. – (Topic 5) 

On a regular users workstation the route command takes a long time before printing out the routing table. Which of the following errors does that indicate? 

A. The local routing information may be corrupted and must be re-validated using a routing protocol. 

B. One of the routers in the routing table is not available which causes the automatic router failure detection mechanism (ARF-D) to wait for a timeout. 

C. There may accidentally be more than one default router in which case a default router election has to be done on the network in order to choose one router as the default. 

D. DNS resolution may not be working as route by default tries to resolve names of routers and destinations and may run into a timeout. 


Q59. – (Topic 4) 

Which file inside the CUPS configuration directory contains the definition of the printers? 

A. cups-devices.conf 

B. snmp.conf 

C. printcap.conf 

D. printers.conf 

E. cupsd.conf 


Q60. CORRECT TEXT – (Topic 5) 

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

Answer: 14