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

什么是NAT？

aaa架構(gòu)中哪個(gè)是要求用戶輸入用戶名和密碼？

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

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

什么問題導(dǎo)致SERVER VTP密碼跟替他交換機(jī)VTP密碼不匹配？

What is the next state of initial in spanning-tree protocol？

QoS Mechanisms：問在部署QoS中要用的3個(gè)mechanisms是什么？

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

一堆交換機(jī)一個(gè)server、一個(gè)transpare，問配置prune在哪里配置？