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？（）

aaa架構(gòu)中哪個是要求用戶輸入用戶名和密碼？

如何實現(xiàn)擁塞避免？

hsrp speak狀態(tài)是什么意思？

什么是NAT？

Which of the following describes the roles of devices in a WAN?（）

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

The following configuration line was added to router R1 Access-list 101 permit ip 10.25.30.00.0.0.255 any What is the effect of this access list configuration?（）

兩ebgp鄰居發(fā)路由過來 ，哪些屬性重置？

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