What is the lowest numbered unprivileged TCP port? (Specify the number in digits only.)

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Which of the following lines is an example of a correct setting for the DISPLAY environment variable?

• A.hostname:displaynumber
• B.hostname:displayname
• C.hostname/displaynumber
• D.hostname
• E.hostname/displayname

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X is running okay but you're concerned that you may not have the right color depth set. What single command will show you the running color depth while in X?

• A.xcolordepth
• B.xwininfo
• C.xcdepth
• D.xcd
• E.cat /etc/X11

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Which of the following fields can be found in the /etc/group file? (Choose THREE correct answers.)

• A.The home directory of the group.
• B.The list of users that belong to the group.
• C.The description of the group.
• D.The name of the group.
• E.The password of the group.

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What is true regarding the command sendmail?

• A.All MTAs, including Postfix and Exim, provide a sendmail command.
• B.With any MTA, the sendmail command must be run periodically by the cron daemon.
• C.It is only available when the sendmail MTA is installed.
• D.The sendmail command prints the MTAs queue history of which mails have been sent successfully.

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