LX0-104 무료 덤프문제 온라인 액세스

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What is the name of the file that defines the sources (like DNS or local configuration files) and the order in which they are consulted when resolving hostnames? (Specify the full name of the file, including path.)

Which of the following commands lists all defined variables and functions within Bash?

• A.set
• B.env -a
• C.env
• D.echo $ENV

What is the purpose of the command mailq?

• A.It is a proprietary tool contained only in the qmail MTA.
• B.It queries the mail queue of the local MTA.
• C.It fetches new emails from a remote server using POP3 or IMAP.
• D.It is a multi-user mailing list manager.
• E.It is a command-line based tool for reading and writing emails.

What happens if the password of a user in the/etc/shadowfile is prepended with the ! character?

• A.When logging in, the user automatically gets root privileges in addition to his regular privileges.
• B.The password is inverted which allows the user to log in with any password other than the current password.
• C.The password becomes invalid which disables password based logins although other login methods remain usable.
• D.Upon the next log in, the user is forced to change his password.
• E.The user is disabled and all login methods, including but not limited to password based logins, are disabled.

Which of the following keywords can be used in the file /etc/nsswitch.conf to specify a source for host name lookups? (Choose TWO correct answers.)

• A.resolv
• B.hosts
• C.remote
• D.dns
• E.files