With IPv6, how many bits have been used for the interface identifier of an unicast address?
(Specify the number using digits only.)

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An administrator wants to determine the geometry of a particular window in X, so she issues the
__________ -metric command and then clicks on the window.

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The system's timezone may be set by linking /etc/localtime to an appropriate file in which directory? (Provide the full path to the directory, without any country information)

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FILL BLANK
What command is used to add OpenSSH private keys to a running ssh-agent instance? (Specify the command name only without any path.)

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What information related to a user account is modified using the chage command?

• A.Password expiry information
• B.Default permissions for new files
• C.Group membership
• D.Set of commands available to the user
• E.Default ownership for new files

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