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Q31. - (Topic 2)
For accessibility assistance, which of the following programs is an on-screen keyboard?
A. xkb
B. atkb
C. GOK
D. xOSK
Answer: C
Q32. 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
Q33. - (Topic 3)
Which command can be used to delete a group from a Linux system?
A. groupdel
B. groupmod C. groups
D. groupedit
Answer: A
Q34. CORRECT TEXT - (Topic 6)
Which file lists which users can execute commands using sudo? (Specify the full name of the file, including path.)
Answer: /etc/sudoers
Q35. CORRECT TEXT - (Topic 4)
After configuring printing on a Linux server, the administrator sends a test file to one of the printers and it fails to print. What command can be used to display the status of the printer's queue? (Specify ONLY the command without any path or parameters.)
Answer: lpq, /usr/bin/lpq, lpstat, /usr/bin/lpstat
Q36. - (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
Q37. - (Topic 1)
Which command makes the shell variable named VARIABLE visible to subshells?
A. export $VARIABLE
B. export VARIABLE
C. set $VARIABLE
D. set VARIABLE
E. env VARIABLE
Answer: B
Q38. - (Topic 3)
Which of the following fields can be found in the /etc/group file? (Choose THREE correct answers.)
A. The list of users that belong to the group.
B. The home directory of the group.
C. The name of the group.
D. The description of the group.
E. The password of the group.
Answer: A,C,E
Q39. CORRECT TEXT - (Topic 6)
On a Linux system with shadow passwords enabled, which file in the file system contains the password hashes of all local users? (Specify the full name of the file, including path.)
Answer: /etc/shadow
Q40. - (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.
Answer: C