For each blank, choose the best answer from the four choices and write down on the answer sheet.(11)is a protocol that a host us

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问题 For each blank, choose the best answer from the four choices and write down on the answer sheet.(11)is a protocol that a host uses to inform a router when it joins Or leaves an Internet multicast group.(12)is an error detection code that most data communication networks use.(13)is an interior gateway protocol that uses a distance vector algorithm to propagate routing information.(14)is a transfer mode in which all types of information are organized into fixed form cells on an asynchronous or non-periodic basis over a range of media.(15)is an identifier of a web page.

选项 A、HTYP
B、URL
C、HTML
D、TAG

答案B

解析 ICMP是一种主机用来告知路由器它离开或者加入了一个Internet组播组的协议。CRC是一种大多数网络都使用的检错码。RIP是一种内部网关协议,它使用距离矢量算法来更新路由信息。ATM是一种异步传输模式,所有类型的信息都被封装成信元。URL是一种网页的标识。
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