单项选择题
A.1minute
B.5minutes
C.10minutes
D.30minutes
单项选择题 AnAIXserverisconfiguredwithastaticIPaddressbutthesystemadministratorwantstheservertogiveoutIPaddressesforclientswhowanttousethedynamichostconfigurationprotocolinsteadofstaticIPaddresses.Howisthisaccomplished？（）
单项选择题 Theorderofnameresolutioncanbecontrolled. Thedefaultis： 1.DNS/BIND 2.NIS 3./etc/hosts Tochangetheorderoftheabovenameresolutions，whichofthefollowingshouldbeused？（）
单项选择题 WhichofthefollowingentriesisINVALIDinthe/etc/resolv.conffile？（）