Refer to the exhibit.

An engineer is troubleshooting an OSPF issue. Router 1 has a neighbor relationship with router 2. Only router 1 classful EIGRP routes can be seen on router 2. In order for all EIGRP routes to be redistributed correctly, which action should be taken?

• A.Router 1 must have the keyword metric-type 1 included in the redistribution command for all EIGRP routes to be redistributed.
• B.Router 1 must remove the AS number 1 from the redistribution command for all EIGRP routes to be redistributed.
• C.Router 1 must have the keyword subnets included in the redistribution command for all EIGRP routes to be redistributed.
• D.Router 1 must have the keyword ospf-metric included in the redistribution command for all EIGRP routes to be redistributed.

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What are two differences between OSPF and IS-IS? (Choose two.)

• A.Unlike OSPF. IS-IS supports virtual links.
• B.Unlike IS-IS routers, an OSPF router belongs to only one area in addition to the backbone area.
• C.OSPF elects a DR and a BDR, and IS-IS elects a DIS.
• D.OSPF is a link-state routing protocol, and IS-IS is a distance-vector routing protocol.
• E.OSPF uses a router ID to identify a router, and IS-IS uses a system ID.

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For which reason can two BGP peers fail to establish a neighbor relationship?

• A.Their BGP send-community strings are misconfigured
• B.Their BGP timers are mismatched
• C.Their remote-as numbers are misconfigured
• D.They are both activated under an IPv4 address family

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Refer to the exhibit.

An engineer is troubleshooting an OSPF issue. Router 1 has a neighbor relationship with router 2. Only router 1 classful EIGRP routes can be seen on router 2. In order for all EIGRP routes to be redistributed correctly, which action should be taken?

• A.Router 1 must have the keyword 1 included in the redistribution command for all EIGRP routes to be redistributed.
• B.Router 1 must have the keyword subnets included in the redistribution command for all EIGRP routes to be redistributed.
• C.Router 1 must have the keyword included in the redistribution command for all EIGRP routes to be redistributed.
• D.Router 1 must remove the AS number 1 from the redistribution command for all EIGRP routes to be redistributed.

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Refer to the exhibit.

P1 and PE3 Cisco IOS XR routers are directly connected and have this configuration applied. The BGP session is not coming up. Assume that there is no IP reachability problem and both routers can open tcp port 179 to each other. Which action fixes the issue?

• A.Change HMAC-MD5 to HMAC-SHA1-20
• B.Configure the send and accept lifetime under key 1
• C.Change HMAC-MD5 to HMAC-SHA1-12
• D.Change HMAC-MD5 to MD5

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