Monday, January 22, 2007

Here are the answers to Monday's Cisco certification exam questions!


Arrange these route types in order of their Administrative Distance, smallest to largest:

Internal EIGRP, External EIGRP, RIPv1, RIPv2, IGRP, OSPF, directly connected, static.


Directly connected - zero

Static - 1

Internal EIGRP - 90

IGRP - 100

OSPF - 110

RIPv1, RIPv2 - 120

External EIGRP - 170 (routes learned by EIGRP via redistribution)


You just applied an ACL to a Serial interface and you've noticed your BGP adjacencies using that interface have just gone down. What correction must be made to this ACL to allow the adjacencies to come back up and stay up?

Answer: TCP port 179 must be permitted by the ACL, since it's that port number that BGP uses to form adjacencies.


You've just finished creating an Etherchannel. You notice that some of the ports you placed in the EC are marked "err-disabled". Is this a problem? If it is, what should you do first to resolve the problem?

Answer: Yes, that is a problem. Once you finish configuring the Etherchannel, simply shut down and reopen any ports that are in that state. If the EC configuration is correct, that will resolve the issue.

Fresh questions later today! :)

To your Cisco certification success,

Chris Bryant
CCIE #12933

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