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

• A.passwd
• B.usergroups
• C.groupmod
• D.grouprm
• E.usermod

Comment: *

Name: *

Email: *

Verification: *

The X11 configuration file xorg.conf is grouped into sections. How is the content of the section SectionName associated with that section?

• A.It is placed between the tags <Section name="SectionName"> and </Section>
• B.It is placed after the row [SectionName].
• C.It is placed after an initial unindented Section "SectionName" and must be indented by exactly one tab character.
• D.It is placed between a line containing Section "SectionName" and a line containing EndSection.
• E.It is placed in curly brackets as in Section SectionName { ... }.

Comment: *

Name: *

Email: *

Verification: *

Which of the following situations is observed and corrected by an NTP client?

• A.The physical location and the timezone configuration.
• B.Adjustment needed to support Daylight Saving Time.
• C.Changes in the time zone of the current computer's location.
• D.The skew in time between the system clock and the reference clock.
• E.The skew in time between the system clock and the computer's hardware clock.

Comment: *

Name: *

Email: *

Verification: *

Which of the following is true about IPv6?

• A.IPv6 no longer supports broadcast addresses.
• B.IPv6 no longer supports multicast addresses.
• C.For IPv6, UDP and TCP have been replaced by the Rapid Transmission Protocol RTP.
• D.With IPv6, the TCP port numbers of most services have changed.
• E.IPv4 addresses can be used without any change with IPv6.

Comment: *

Name: *

Email: *

Verification: *

Which of the following files is not read directly by a Bash login shell?

• A.~/.profile
• B.~/.bashrc
• C.~/.bash_profile
• D.~/.bash_login
• E./etc/profile

Comment: *

Name: *

Email: *

Verification: *