問一個(gè)怎么樣的屬性，能讓路由不通告給任何的peer？

How should arouter that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?（）

Refer to the exhibit.How many broadcast domains exist in theexhibited topology？（）

Which of the following are key characteristics of PPP?（）

What is the three main step of using the QoS feature with MQC command line interface？

當(dāng)將多個(gè)交換機(jī)加入到MST region當(dāng)中會發(fā)生什么（what happen）？

Refer to the exhibit.What is the meaning of the term dynamic as displayed in the output of the show frame-relay map command shown？（）

DHCP SERVER在給一個(gè)網(wǎng)段設(shè)置POOL時(shí)，該網(wǎng)段路由器接口地址能不能放入POOL，能why，不能why。

The Frame Relay network in the diagram is not functioning properly.What is the cause of the problem?（） 

A network administrator is troubleshooting the OSPF configuration of routers R1 and R2.The routers cannot establish an adjacency relationship on their common Ethernet link.The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2.Based on the information in the graphic,what is the cause of this problem?（）