Routers R1， R2， and R3 are configured in a hub and spoke frame relay environment， with router R1 as the hub. You have configured Router R1， Router R2， and Router R3 to run EIGRP over the frame relay connections. No sub-interfaces are used. You have configured a single IP subnet on all the Frame Relay interfaces. Router R1 can reach both router R2 and R3， but R2 and R3 can not reach each other. What is the probable cause of this problem？
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Refer to the exhibit. Routers A and B are directly connected and running EIGRP，but they are unable to form a neighbor relationship. What is the most likely cause？（）
A.The network statements are misconfigured.
B.The IP address statements are misconfigured.
C.The autonomous system is misconfigured.
D.There is a physical issue with the cable.
Refer to the exhibit. You are setting up a 2-gigabit EtherChannel. Following IEEE standards， the exhibit shows your configuration in a local switch1. However， EtherChannel is not coming up. Which one of these statements could be a possible reason？（）
A.EtherChannel is only available in Cisco equipment.
B.The customer side is supposed to be running PAgP， which is a Cisco standard.
C.PAgP is not an IEEE standard. VRRP should be used.
D.The configuration on switch1 needs to be modified to use LACP
Refer to the exhibit. Routers A and B are directly connected. Given the configuration, how many EIGRP routes will router B see in its routing table?（）
A.0
B.1
C.2
D.3
E.4
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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？（）
QoS機制中的分類，采用ip數(shù)據(jù)包中的哪個字段？
當將多個交換機加入到MST region當中會發(fā)生什么（what happen）？
The Frame Relay network in the diagram is not functioning properly.What is the cause of the problem?（）
什么是NAT？
Local Preference？
What is the next state of initial in spanning-tree protocol？
QoS Mechanisms：問在部署QoS中要用的3個mechanisms是什么？
What is the three main step of using the QoS feature with MQC command line interface？
一堆交換機一個server、一個transpare，問配置prune在哪里配置？