单选题When troubleshooting an EIGRP connectivity problem, you notice that two connected EIGRP routers are not becoming EIGRP neighbors. A ping between the two routers was successful.What is the next thing that should be checked?（）A Verify that the EIGRP hell

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n your Cisco EIGRP network， you notice that the neighbor relationship between two of your routers was recently restarted. Which two of these choices could have made this occur？（）

• A、An update packet with init flag set from a known， already established neighbor relationship was received by one of the routers.
• B、The ARP cache was cleared.
• C、The counters were cleared.
• D、The IP EIGRP neighbor relationship was cleared manually.

第4题：

When EIGRP is used as the PE-CE routing protocol which of these statements is correct?（）

• A、EIGRP can be used only as the PE-CE routing protocol if the PE and CE routers are in the same AS
• B、Other EIGRP AS routes are automatically advertised to the CE router and do not require a redistribution configuration command to be configured
• C、Unlike other routing protocols that are used between PE and CE routers, EIGRP supports backdoor links
• D、Configure of the VPN is only required on the PE router

第5题：

While troubleshooting an EIGRP routing problem you notice that one of the routers have generated a large number of SIA messages. What are two possible causes for EIGRP Stuck - In -Active routes?（）

• A、Some quer y or reply packets are lost between the routers.
• B、The neighboring router starts receiving route updates from this router.
• C、A failure causes traffic on a link between two neighboring routers to flow in only one direction(unidirectional link).
• D、Th e neighboring router stops receiving ACK packets from this router.

第6题：

In your Cisco EIGRP network，you notice that the neighbor relationship between two of your routers was recently restarted. Which two of these choices could have made this occur？（）

• A、An update packet with init flag set from a known， already established neighbor relationship was received by one of the routers.
• B、The ARP cache was cleared.
• C、The counters were cleared.
• D、The IP EIGRP neighbor relationship was cleared manually.

第7题：

As a network engineer， you responsibility is to install， configure， operate， and troubleshoot networks. In your company’s network， EIGRP is the routing protocol. You have just discovered that two routers restarted the neighbor relationship.Why？ （）

• A、An update packet with init flag set from a known， already established neighbor relationship was received by one of the routers.
• B、The counters were deleted.
• C、The ARP cache was removed.
• D、The IP EIGRP neighbor relationship was cleared manually.

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While troubleshooting an EIGRP routing problem you notice that one of the company routers havegenerated a large number of SIA messages. What are two possible causes for EIGRP Stuck-In-Active routes？（）

• A、Some query or reply packets are lost between the routers
• B、The neighboring router starts receiving route updates from this router
• C、A failure causes traffic on a link between two neighboring routers to flow in only one direction（unidirectional link）
• D、The neighboring router stops receiving ACK packets from this router

第9题：

Which IGP should you use to achieve scalability in a large enterprise network using Juniperenterprise routers?（）

• A、RIP
• B、BGP
• C、OSPF
• D、EIGRP

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While troubleshooting a routing problem on the company EIGRP network you discover that one ofthe routers is failing to establish adjacencies with its neighbor. What is a likely cause of thisproblem between neighbors？（）

• A、The K-values do not match
• B、The hold times do not match
• C、The hello times do not match
• D、The AS numbers do not match

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Half of your network uses RIPv2 and the other half runs OSPF. The networks do not communicate with each other. Which two of these factors describe the impact of activating EIGRP over each separate part？ （）

• A、EIGRP will not be accepted when configured on the actual RIPv2 routers.
• B、OSPF will no longer be used in the routing table， because you only have EIGRP internal routes running.
• C、OSPF will no longer be used in the routing table， because you only have EIGRP external routes running.
• D、RIPv2 will populate its RIP database but not its routing table， because you only have EIGRP external routes running.
• E、RIPv2 will populate its RIP database but not its routing table， because you only have EIGRP internal routes running.
• F、OSPF database will have RIPv2 routes.

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You have implemented mutual route redistribution between OSPF and EIGRP on a border router. When checking the routing table on one o f the OSPF routers within the OSPF routing domain, you are seeing some, but not all of the expected routes. Which two things should you verify to troubleshoot this problem?（）

• A、The border router is using a proper seed metric for OSPF
• B、The border ro uter is using a proper seed metric for EIGRP
• C、The administrative distance is set for OSPF and EIGRP
• D、The missing EIGRP routes are present in the routing table of the border router
• E、The subnet keyword on the border router in the redistribute EIG RP command

第18题：

A network administrator is troubleshooing an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checked. What command will display the required information?（）

• A、Router# show ip eigrp adjacency
• B、Router# show ip eigrp topology
• C、Router# show ip eigrp interfaces
• D、Router# show ip eigrp neighbors

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You have implemented mutua l route redistribution between OSPF and EIGRP on a border router. When checking the routing table on one of the EIGRP routers within the EIGRP routing domain, you are seeing some, but not all of the expected routes. What should you verify to troubleshoot this problem?（）

• A、The border router is using a proper seed metric for OSPF
• B、The border router is using a proper seed metric for EIGRP
• C、The administrative distance is set for OSPF and EIGRP
• D、The missing OSPF routes are present in the routing  table of the border router
• E、The subnet keyword on the border router in the redistribute OSPF command

第20题：

Which two steps below should you perform on the hub router while configuring EIGRP routing over  DMVPN （mGRE tunnel）？ （）

• A、Set the NHRP hold time to match the EIGRP hold time
• B、Add the enable eigrp stub command
• C、Add the disable eigrp as-member split-horizon command
• D、Add the disable eigrp as-member next-hop-self command

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