Which of the following lines are valid in the file /etc/hosts? (Choose TWO correct answers.)

• A.2001:db8::15 www.example.com www
• B.203.0.113.15 www.example.com www
• C.2003.0.113.15,2001:db8::15 www.example.com www
• D.www.example.com,www 203.0.13.15,2001:db8::15
• E.www.example.com www 203.0.13.15

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Which of the following may occur as a consequence of using the command ifconfig? (Choose THREE correct answers.)

• A.New name servers may be added to the resolver configuration.
• B.The system's host name may change.
• C.Network interfaces may become active or inactive.
• D.The routing table may change.
• E.IP addresses may change.

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FILL BLANK
Which file is processed by newaliases? (Specify the full name of the file, including path.)

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Which of the following statements is valid in the file /etc/nsswitch.conf?

• A.192.168.168.4 dns-server
• B.multi on
• C.include /etc/nsswitch.d/
• D.hosts: files dns

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On a dual boot system, every time the system is booted back into Linux the time has been set backward by one day. Which of the following commands will correct the problem?

• A.date -d '+ 1 day'
• B.ntpdate pool.ntp.org
• C.hwclock --systohc --localtime
• D.time hwclock

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