软件水平考试

【单选题】 (66) is a protocol that a host uses to inform a router when it joins or leaves an Internet multicast group.
(67) is an error detection code that most data conlmunication networks use.
(68) is an interior gateway protocol that uses a distance vector algorithm to propagaterouting information.
(69) is a transfer mode in which all types of information are organized into fixed form cells on all asynchronous or nonperiodic basis over a range of mediA、
(70) is an identifier of a web page.
A．ICMP
B．SMTP
C．IGMP
D．ARP

网考网参考答案：C
网考网解析：
暂无解析 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>