Q5. Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose THREE correct answers.)

A. 127.0.0.0/8

B. 10.0.0.0/8

C. 169.255.0.0/16

D. 172.16.0.0/12

E. 192.168.0.0/16

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Q6. 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

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Q7. Which of the following is true about IPv6?

A. With IPv6, the TCP port numbers of most services have changed.

B. IPv6 no longer supports broadcast addresses.

C. IPv4 addresses can be used without any change with IPv6.

D. IPv6 no longer supports multicast addresses.

E. For IPv6, UDP and TCP have been replaced by the Rapid Transmission Protocol RTP.

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Q8. Which of the following are syslog facilities? (Choose TWO correct answers.)

A. local7

B. mail

C. advanced

D. postmaster

E. remote

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Q9. Each entry in a crontab must end with what character?

A. Tab

B. Space

C. Backslash

D. Newline

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Q10. 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.

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Q11. CORRECT TEXTPlease specify the top directory containing the configuration files for the CUPS printing system. (Specify the full path to the directory.)

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Q12. What is true regarding TCP port 23?

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.

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Q13. CORRECT TEXTAfter adding a new email alias to the configuration, which command must be run in order to ensure the MTA knows about it? (Specify the command without any path but including all required parameters.)

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Q14. What of the following can be done by the command ifconfig? (Choose TWO correct answers.)

A. Set a network interface active or inactive.

B. Specify the kernel module to be used with a network interface.

C. Allow regular users to change the network configuration of a network interface.

D. Change the netmask used on a network interface.

E. Specify which network services are available on a network interface.

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