CCNP ROUTE 300-101 / TSHOOT Practice Exam: EIGRP

Here’s a five-question CCNP ROUTE and TSHOOT practice exam on EIGRP fundamentals for you.    Dig in, and check my CCNP ROUTE 300-101 and CCNP TSHOOT 300-135 practice exam pages for more!

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Q1:    You just redistributed a route into EIGRP.  Which of the following statements are true?

A.   The route will have an AD of 170.

B.   The route’s code will be “D EX”.

C.   A seed metric was required for successful redistribution.

D.  All of the above.

 

Q2.    Which of the following statements are true regarding this command?

R2(config-router)#distance eigrp 90 100

A.    This is an illegal command and will be rejected by the router.

B.    The distance for internal EIGRP routes will remain the same after this command takes effect.

C.    The admin distance for all routes learned by EIGRP via route redistribution will have an AD of 90.

D.   The first 100 external routes learned by EIGRP will have an AD of 90; after that, the default metric will be assigned.

 

Q3.     In which EIGRP tables can successor routes be found?  Choose all that apply.

A.  Neighbor

B.  Route

C.  Topology

D.  Distance

 

Q4.    True or false:  As of December 18, 2016, EIGRP autosummarization is disabled by default.

 

Q5.    Why are there two routes in this table for 172.12.23.0 /27, but only one for the other two routes?

R1#show ip route eigrp

      2.0.0.0/24 is subnetted, 1 subnets

D        2.2.2.0 [90/2297856] via 172.12.123.2, 00:06:03, Serial0/1/0

      3.0.0.0/24 is subnetted, 1 subnets

D        3.3.3.0 [90/2297856] via 172.12.123.3, 00:06:03, Serial0/1/0

      172.12.0.0/16 is variably subnetted, 3 subnets, 3 masks

D        172.12.23.0/27 
[90/2172416] via 172.12.123.3, 00:06:03,Serial0/1/0  

[90/2172416] via 172.12.123.2, 00:06:03, Serial0/1/0

The answers follow — but take just a moment to check this out.  You’ll be glad you did.

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Let’s get to those answers!

A1: “D”.   When you redistribute a route into EIGRP, it’s considered an external EIGRP route.  By default, that route will have an AD of 170 and a routing table code of D EX.  With EIGRP, a seed metric must be specified for redistribution to succeed.

A2:  “B”.  The command distance eigrp 90 100 sets an AD of 90 for internal EIGRP routes and an AD of 100 for external EIGRP routes.   That means you’re accepting the default of 90 for internal routes while changing the AD of external routes from 170 to 100.

A3:  “B, C”.    EIGRP successor routes appear in both the route and topology tables.  In contrast, feasible successors appear only in the topology table.

A4:  True.  EIGRP autosummarization used to be enabled by default, but that’s no longer the case.

A5:  Those two routers are there due to EIGRP’s default behavior of equal-cost load balancing.   The metrics for each of those routes are exactly the same, so they’ll be used for load balancing packets sent to that particular destination.   If equal-cost routes existed for the other entries, we’d see them in the routing table!

Thanks for tackling today’s CCNP ROUTE practice exam, and for making my CCNP ROUTE Study Guide the highest-rated study guide on Amazon for that particular exam!

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Chris B.