Which of the following getentinvocations lists all existing users?

• A.getent homes
• B.getent uids
• C.getent passwd
• D.getent users
• E.getent logins

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Which of the following commands is used to restore files from backups made with dump?

• A.restore
• B.udump
• C.cpio -d
• D.extract

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When using PAP with PPP, the /etc/ppp/pap-secrets file must be

• A.readable and executable by user root and group ppp
• B.world-readable
• C.readable only by the ppp user
• D.readable only by root

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What is the main difference between the batch and at commands?

• A.The batch command will run when system load is low. The at command runs at a specific time.
• B.The at command e-mails results to the user. The batch command logs results to syslog.
• C.The batch command will run multiple times.The at command will only run once.
• D.The at command reads commands from standard input. The batch command requires a command line argument.

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When an Apache server is configured to provide 10 spare server processes, which kind of website would it typically serve?

• A.A high volume web site
• B.A website for no more than 10 users
• C.A one-user volume website
• D.A low-to-moderate volume website

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