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

hsrp speak狀態(tài)是什么意思？

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。

Refer to the exhibit.Which statement describes DLCI 17?（）

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

兩ebgp鄰居發(fā)路由過來 ，哪些屬性重置？

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？（）

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

R1 will choose which path to reach 10.1.0.0？

what is the disadvantage of policing？