A network administrator has a 10base2 network.  A card is provided that has both 10base2 and 10base5 ports.  Which of the following types of cables should be selected in SMIT during configuration of the adapter？（）

单项选择题WhichofthefollowingfilesshouldbeusedtoaltertheorderofwhichDNSserversgetqueriedfirst？（）

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

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