Refer to the exhibit. R2 and R3 are routers connected using Ethernet services from a service provider and can receive pings from each other. OSPF is configured as the routing protocol but adjacency is not happening. According to the output of the show commands in the exhibit， what could be the most likely cause of the problem？（）
A.Ethernet interfaces were configured as point-to-point.
B.Process IDs are not matching.
C.Configured bandwidths do not match on both interfaces.
D.Broadcasts and multicast are not being propagated over the Ethernet services.
E.OSPF cost does not match on both interfaces.
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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.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?（）
How should arouter that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?（）
Which of the following are key characteristics of PPP?（）
What is method list for configure aaa？
What field in IP packet is used for classification by QOS？
what is the advantage of policing opposite to shaping？
The Frame Relay network in the diagram is not functioning properly.What is the cause of the problem?（）
R1 will choose which path to reach 10.1.0.0？
four switches， which one will be root switch.（no pic）.
Which of the following describes the roles of devices in a WAN?（）