Chapter 2 - CCNP ROUTE ppsx

Topology depth is the number of router hops necessary for traffic to reach from access layer to core layer.. Topology depth refers to the total number of hops that information must trave

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1 Which EIGRP algorithm tracks all the routes that are advertised by neighbors and uses the composite metric of each route to compare the routes?

STP

Dijkstra

DUAL

SPF

2 Which two statements are true of EIGRP topology depth? (Choose two.)

Topology depth should be limited to 15 routers

Redundant links and alternative paths can be used to reduce topology depth

Topology depth is the maximum hop count between any two EIGRP routers in the topology

Route summarization can reduce the convergence time in networks with large depth

Topology depth is the number of router hops necessary for traffic to reach from access layer to core layer Topology depth refers to the total number of hops that information must travel to reach all EIGRP routers in the network

3

Refer to the exhibit Which statement is true of the EIGRP keys that are used by router R2?

R2 is encrypting EIGRP packets with only key 1

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R2 is encrypting EIGRP packets with both key 1 and key 2

R2 is using only key 2 to authenticate received EIGRP packets

R2 is authenticating received EIGRP packets with both key 1 and key 2

4 Which event must take place to transition an EIGRP route that is in the active state back to the passive state?

expiration of the RTO timer

an update packet that is received from every EIGRP neighbor

an acknowledgment that is received from every EIGRP neighbor

a reply that is received from each neighbor for every generated query

a feasible successor route that is moved from the topology table to the routing table

5

Refer to the exhibit During a test of an EIGRP prototype network, a network administrator issues a show ip protocols command What two facts can be determined from the output? (Choose two.)

The administrative distance is 100

This router will not accept routes that are more than 100 hops away

There are 10 Cisco devices in this prototype network

The auto-summary command was applied on this router

EIGRP is using two values for the calculation of the composite metric

EIGRP on this router will display up to four unequal cost routes to the same destination

6 Which statement is a requirement for the EIGRP AS number?

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It is the EIGRP router ID and must be the same on each router in the EIGRP domain

It is only locally significant, and as a result it can be different on each router in the EIGRP domain

It is selected by the network administrator and must be the same on each router in the EIGRP domain

It is assigned by IANA and must be the same on each router in the EIGRP domain

7 Which design plan or diagram would govern how well EIGRP will scale?

IP addressing plan

STP topology diagram

Layer 2 addressing plan

detailed cabling plan

EIGRP traffic engineering plan

8

The network administrator wants RTA to send only the summarized route of 10.10.0.0/16 to RTB Which configuration will accomplish this?

RTA(config)# interface s0/0

RTA(config-if)# ip summary-address eigrp 101 10.10.0.0 255.255.0.0

RTA(config-if)# exit

RTA(config)# router eigrp 101

RTA(config-router)# no auto-summary

RTA(config-if)# exit

RTA(config)# router eigrp 101

RTA(config-router)# no auto-summary

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Refer to the exhibit Which statement is true about the EIGRP hello packets that are received by router R2? They are encrypted

They are authenticated

They are sent confidentially

They must be acknowledged

10Which two solutions are used in an EIGRP network to reduce DUAL computations? (Choose two.)

authentication

load balancing

partial updates

summarization

EIGRP stub routing

11 Which three technologies are used in EIGRP? (Choose three.)

Dijkstra algorithm

DUAL finite-state machine

reliable transport protocol

link-state advertisements

protocol-specific modules

Bellman-Ford algorithm

12 When does an EIGRP router place a route in the active state?

when there is no successor route in the routing table

when the feasible distance is greater than the reported distance of the route

when an update packet containing information about the route is not acknowledged

when the current successor is no longer valid and there is no feasible successor in the topology table

13 What are two advantages to deploying a hierarchical IP addressing scheme in an EIGRP network? (Choose two.)

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greater redundancy

improved scalability

ability to use network route summarization

better route optimization creating shorter paths

fewer network addresses that need to be allocated for the network

14

Refer to the exhibit Based on the output of show ip eigrp neighbors, what are two possible problems with

adjacencies between Router1 and Router2? (Choose two.)

The routers are configured with different EIGRP AS numbers

Automatic summarization was disabled

The hello timer for R1 was altered

The serial interfaces for both routers are in different networks

No feasible successors were found

15 Which action is effective in preventing EIGRP routes from becoming SIA?

Use multiple EIGRP autonomous systems to bound the query range

Modify keepalive timers on point-to-point connections

Maintain a hierarchical network design

Keep K-values at default settings

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Take Assessment - ROUTE Chapter 2 - CCNP ROUTE (Version 6.0)

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16

Refer to the exhibit A network administrator has configured R1 and R2 for EIGRP authentication with multiple keys and activation times After functioning normally for a month, R1 and R2 are now no longer forming an EIGRP adjacency Which configuration change to the key lifetimes will correct the EIGRP adjacency problem? Change the key 1 accept life to an end time of Feb 1 on both routers

Change key 2 send lifetime to a start time of Jan 1 on both routers

Change the key 1 send lifetime to an end time of Feb 1 on both routers

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Change the key 2 accept lifetime to a start time of infinite on both routers

17Which EIGRP packet type can quickly propagate through a network and result in excessive DUAL computations and high CPU loads?

acknowledgment

hello

reply

update

query

18 A router in a fully converged EIGRP network detects that a remote route is unreachable Which two events may occur next? (Choose two.)

EIGRP will look for a feasible successor in the routing table

DUAL will calculate the highest cost routes to each network

EIGRP will send a bounded update to alert neighbors about the failure

The router will forward the complete routing table to the neighboring routers

DUAL will look for a feasible successor route in the topology table and, if one is found, it will add this route

to the routing table

19 What are two advantages of modifying the interface metrics when deploying EIGRP in a network? (Choose two.)

improved bandwidth utilization

less likely to have routing loops

faster convergence

better control over traffic patterns

more efficient troubleshooting

20

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Refer to the exhibit All three routers are exchanging EIGRP routes What value represents the advertised distance of the feasible successor for the 10.1.2.0/24 network?

256

532

768

1280

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