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
单项选择题 Whenchoosingahostname，othermachineswillassociatethenamewith（）。
单项选择题 Anadministratorhasprovideda24bitnetmask.Whichofthefollowingoptionsindicatesthenumberofhostaddressesthatareavailableinanetwork？（）
单项选择题 AclassBnetwork129.35has10subnets.Whichofthefollowingoptionsisthecorrectsubnetmask？（）
