单项选择题
Which of the following files contains the settings for the system’s DNS domain name and DNS servers？（）
A./etc/hosts
B./etc/resolv.conf
C./etc/netsvc.conf
D./etc/named.boot
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相关考题
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WhichofthefollowingoptionsbestjustifieswhyaDNSservershouldberuninalargenetworksystem？（）
A.To use ftp and telnet
B.To perform NFS mounts
C.To make /etc/hosts files unnecessary
D.To reduce network traffic and save bandwidth -
单项选择题
WhendividinganexistingClassBnetworkinto2subnetsof32，766hostseach，whichofthefollowingsubnetmasksshouldbeused？（）
A.128.0.0.0
B.255.128.0.0
C.255.254.0.0
D.255.255.128.0 -
单项选择题
Ahostistobecomepartofahierarchicalnamingtopology.Whichofthefollowingservicesarerequired？（）
A.DHCP
B.Domain Name Service
C.Network Information Service
D.A hosts file
