單項選擇題

Refer to the exhibit. Which switching feature is being tested？（）

A.loop guard
B.PortFast
C.root guard
D.BDPU guard

你可能感興趣的試題

【簡答題】
R1（AS1）------R2（AS2）-----R3（AS2）----R4（AS2），R1在AS1，R2，R3，R4在AS2，R1和R2建EBGP ， R2和R3 IBGP，R3和R4 IBGP，產(chǎn)生BGP路由從R1傳給R2，問這條路有會不會在R4上出現(xiàn)，如果不會，怎么解決.

答案： No， R4 will not have the route...

單項選擇題

Refer to the exhibit. Voice traffic is marked "precedence 5." How much bandwidth is allocated for voice traffic during periods of congestion？（）

A.a minimum of 48 kb/s
B.a maximum of 48 kb/s
C.a minimum of 48% of the available bandwidth
D.a maximum of 48% of the available bandwidth