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單項(xiàng)選擇題

Which of the following files should be used to alter the order of which DNS servers get queried first？（）

A./etc/hosts
B./etc/inetd.conf
C./etc/netsvc.conf
D./etc/resolv.conf

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單項(xiàng)選擇題

When choosing a hostname， other machines will associate the name with（）。

A.the IP address
B.the MAC address
C.inetd
D.port 80

單項(xiàng)選擇題

An administrator has provided a 24 bit netmask. Which of the following options indicates the number of host addresses that are available in a network？（）

A.24
B.126
C.128
D.254

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