One of the main resposibilities of ICMP

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问题 One of the main resposibilities of ICMP is to report(1). Although technology has produced increasingly relaible transmission media, errors still exist and must be handled. IP is an(2)protocol. This means that error checking and error control are not a concern of IP. ICMP was designed, in part, to compensate for this shortcoming. Howerver, ICMP does not(3)errors, it simply report them. Error correction is left to the higher-level potocols. Error messages are always sent to the original(4)because the only information available in the datagram about the route is the source and destination IP addresses. ICMP use the source IP address to sent the error massage to the source of the(5).A.reliableB.unreliableC.availableD.unavailable

选项

答案 B

解析熟悉专业词汇，本题主要讨论ICMP协议。

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本试题收录于：中级网络工程师题库软件水平考试初中高级分类

中级网络工程师

软件水平考试初中高级

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One of the main resposibilities of ICMP

中级网络工程师

软件水平考试初中高级