Local Preference？

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

The Frame Relay network in the diagram is not functioning properly.What is the cause of the problem?（） 

what is four ospf area type？

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

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

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?（）

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?（）

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?（）

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