A.OSPF standard hellos
B.Cisco Discovery Protocol link detection
C.Bidirectional Forwarding Detection
D.Fast Link Pulse
E.autonegotiation
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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.
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.
最新試題
Refer to the exhibit.Which statement describes DLCI 17?（）
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）？
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?（）
什么問題導(dǎo)致SERVER VTP密碼跟替他交換機(jī)VTP密碼不匹配？
what is the disadvantage of policing？
what is the advantage of policing opposite to shaping？
How should arouter that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?（）
QoS機(jī)制中的分類，采用ip數(shù)據(jù)包中的哪個(gè)字段？