答案及解析：[单选题]One of the main resposibilities of ICMP is to report （）. Although technology has produced increasi

问题：

[单选题] One of the main resposibilities of ICMP is to report （）. Although technology has produced increasingly reliable transmission media, errors still exist and must be handled. IP is an （）protocol. This means that error checking and error control are not a concem ofIP.ICMP was designed, in part, to compensate for this shortcoming. Howerver, ICMP does not （）errors, it simply reports them. Error correction is left to the higher-level potocols. Error messages are always sent to the original（）because the only information available in the datagram about the route is the source and destination lP addresses. ICMP uses the source IP address to send the error massage to the source ofthe （）.
A.reliable
B.unreliable
C.available
D.unavailable

Tags：软件水平考试初级网络管理员试题及答案

答案解析：

╋纠错

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