单项选择题

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

点击查看答案

上一题目录下一题

相关考题

单项选择题

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

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

单项选择题

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

单项选择题

A class B network 129.35 has 10 subnets. Which of the following options is the correct subnet mask？（）

A.255.255.128.0 （11111111.11111111.10000000.00000000）
B.255.255.192.0 （11111111.11111111.11000000.00000000）
C.255.255.224.0 （11111111.11111111.11100000.00000000）
D.255.255.240.0 （11111111.11111111.11110000.00000000）