Whichstatementdescribesanadvantageofdynamicrouting?（）
A. DynamicroutingprovidesredundantIPaddressesforend-userdevices,unlikestaticrouting.
B. Dynamicroutingrequiresnoinitialuserconfiguration,unlikestaticrouting.
C. DynamicroutingprovidesDNSservicesalongwithIPconnectivity;staticroutingdoesnot.
Dynamicroutingtypicallyrequireslesstimetoimplementthanstaticroutinginalargenetwork.
在实际生活和工作中，人们往往将（）和信息两个术语当做意义相同的词语。
A. 知识
B. 语言
C. 数据
D. 资料
注册商标有效期满，需要继续使用的，应当在期满前（）个月内申请续展注册。
A. 6
B. 7
C. 8
D. 9
Whichthreepre-conditionsmustbemetbeforeanOSPFroutercanperformgracefulrestart?（）
A. RoutermustbeanAB
B. Routermustcontainoneshamlink.
C. Thenetworktopologymustbestable.
D. Routermustbeabletoforwardpackets.
E. Neighborsmustsupportgracefulrestart.
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