IP multicasting is a set of technologies that enable efficient delivery of data to many locations on a network. Rather than making multiple copies of a message intended to be distributed to multiple recipients at the （） of origin of a message, multicasting initially sends just one （） and does not copy it to the individual recipients until it reaches the closest common point on the network, thereby （） the bandwidth consumed. Network performance is significantly （） because it isn’t bogged down with the processing and transmission of several large data files; each receiving computer doesn’t have to （） the transmitting server for the file. A.dropped B.prove D.

单选题

IP multicasting is a set of technologies that enable efficient delivery of data to many locations on a network. Rather than making multiple copies of a message intended to be distributed to multiple recipients at the （） of origin of a message, multicasting initially sends just one （） and does not copy it to the individual recipients until it reaches the closest common point on the network, thereby （） the bandwidth consumed. Network performance is significantly （） because it isn’t bogged down wit

答案解析

单选题

以下()是IP承载网的IS-IS地址。

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判断题

IP承载网和TDM承载网都使用IS-IS路由协议。

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判断题

IS-IS是基于链路状态算法的IGP协议，它仅支持TCP/IP环境。

答案解析