Refer to the exhibit.The network administrator is in acampus building distant from Building B.WANRouter is hosting a newly installed WAN link on interface S0/0.The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface.How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner?（）

R1 will choose which path to reach 10.1.0.0？

As a CCNA candidate,you must have a firm understanding of the IPv6 address structure.Refer to IPv6 address,could you tell me how many bits are included in each filed?（）

four switches， which one will be root switch.（no pic）.

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

What field in IP packet is used for classification by QOS？

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?（）

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

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）？

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