单项选择题

A. etc hostsB. etc inetd.confC. etc netsvc.confD. etc r……

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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热门试题

单项选择题Whenchoosingahostname，othermachineswillassociatethenamewith（）。

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

单项选择题Anadministratorhasprovideda24bitnetmask.Whichofthefollowingoptionsindicatesthenumberofhostaddressesthatareavailableinanetwork？（）

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

单项选择题AclassBnetwork129.35has10subnets.Whichofthefollowingoptionsisthecorrectsubnetmask？（）

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）

单项选择题ADNSserverforalargenetworkisexperiencingperformanceproblems.Whichofthefollowingoptionsisthebestsolutiontofixtheproblem？（）

A.Enable NIS
B.Purchase a larger server
C.Use /etc/hosts on all of the systems
D.Create secondary name servers throughout the network

单项选择题AnIPaddressis198.37.16.23.Whichofthefollowingrouter’sIPaddressesshouldbeusedtoroutetraffictothe193.130.56.0network？（）

A.193.130.56.0
B.198.37.16.15
C.198.130.16.15
D.198.130.56.15