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[判断题]
DNS(DomainNameSystem)是TCP/IP协议族中一种命名协议,即域名系统,用于实现主机名与主机位置之间的映射。()
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A.DNS Cache>host file>DNS server
B.host file>DNS Cache>DN Sserver
C.DNS server>DNS Cache>host file
D.host file>DNS server>DNS Cache
A.Forward DNS lookup
B.Reverse DNS lookup
C.RARP
D.Nslookup