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单选题 How is DHCP enabled on a server?()

A

Use network options to enable ipforwarding

B

Edit /etc/rc.tcpip and enable dhcpsd

C

Edit /etc/rc.nfs increase the number of biod daemons

D

Use SMIT to set the server to use DHCP instead of static IP addresses

单选题 A network administrator provides an IP address of 128.135.0.142 and a subnet mask of 255.0.0.0.  Once a ping is attempted, it fails.  Which of the following options is the most probable cause of the failed ping?()

A

0 is not valid in an IP address

B

128 is a reserved network

C

The subnet mask should be 255.255.0.0. since it is a class B

D

A network problem has occurred since IP and subnet are valid

单选题 When run on a machine called client, which of the following commands would mount the /usr/local/bin directory from the host machine over the /home/bin directory on client?()

A

mount host:/usr/local/bin /home/bin

B

mount client:/home/bin /usr/local/bin

C

mount -o client:/usr/local/bin /home/bin

D

mount -n host:/home/bin /usr/local/bin

单选题 Which command can be used to modify network options?()

A

netstat

B

ifconfig

C

chdev

D

no

单选题 On a system wide basis, which of the following procedures is best to make NIS name resolution take precedence over DNS?()

A

Remove the /etc/resolv.conf file

B

Unset the NSORDER environment variable

C

Add the following line to /etc/netsvc.conf: hosts=nis,bind,local

D

In a NIS and DNS environment, NIS takes precedence so there is nothing to change

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