单项选择题

http://www.tsinghua.edu.cn/index.html 中的http表示()。

A.域名
B.所使用的协议
C.访问的主机
D.请求查看的文档名

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热门 试题

单项选择题
However,a router will block a packet having this type ofaddress to confine the broadcasting to the () network. Note that this address belongs to class E.

A.neighbor
B.next
C.remote
D.local

单项选择题
In classes A,B,and C,an address with all is for the netid and hostid (32 bits) defines a() address in the current network.

A.unicast
B.multicast
C.broadcast
D.anycast

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