Master the Nokia 4A0-102 Exam: Essential Study Tips and Strategies

Questions 21

When anNokia7750 SR receives a BGP route with an AS Path loop, what action is taken by default?

Options:

The route is ignored.

The route is flagged as invalid and placed in the LOC-RIB.

The route is flagged as invalid and placed in the RIB-In.

Theroute is flagged as invalid and placed in the RIB-Out.

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Questions 22

Click the exhibit.

4A0-102 Question 22

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertisedby router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that router R6 is configured with "advertise-external", what is the expected output of "show router bgp routes" when executed on router R5?

4A0-102 Question 22

Options:

Option A

Option B

Option C

Option D

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Questions 23

What kind of attribute is the aggregator?

Options:

Well-known mandatory

Well-known discretionary

Optional transitive

Optionalnon-transitive

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Questions 24

AnNokia7750 SR is configured with a policy to export directly-connected networks to BGP. Which of the following commands verifies that the export was successful?

Options:

show router route-table

showrouter bgp routes

show router bgp routes hunt

show router bgp neighbor received-routes

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Questions 25

Assuming that"client1" and "client2" are directly-connected networks, what is the result of executing the following BGP export policy?

4A0-102 Question 25

Options:

"client2" routes will be only tagged with communities 'East'' and "South".

"client2" routes will be tagged with community "East".

"client2" routes will only be tagged with community "South".

"client2" routes will be rejected.

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Questions 26

Which of the following statements about the BGP Advertise External feature is FALSE?

Options:

It modifies the BGPadvertisement logic.

It improves convergence times and allows for better load sharing.

It allows a router to advertise multiple external paths for a single prefix.

It supports both IPv4 and IPv6.

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Questions 27

Which of the following statements regarding the Originator_ID attribute is TRUE?

Options:

The BGP router that originates an update sets the Originator_ID.

The Originator_IDis set to the ClusterJD of the advertising router reflector.

Bothconfederation and route reflector topologies use the Originator_ID.

A BGP router ignores an update that contains its own BGP router ID as Originator_ID.

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Questions 28

The configuration of anNokia7750 SR is given below. Router Rl has established BGP sessions with routers R2 and R3. Which of the following is TRUE?

4A0-102 Question 28

Options:

Router R1forms an iBGP session with router R2, and aneBGP session with router R3.

Router R1forms iBGP sessions with routers R2 and R3.

Router R1forms eBGP sessions with routers R2 and R3.

The types of BGP sessions with routers R2 and R3 cannot be determined.

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Questions 29

Click the exhibit.

4A0-102 Question 29

AS 65550 owns CIDR block 10.64.0.0/12. Router R6 advertises the aggregate 10.64.0.0/12 toAS 65541 with "as-set" enabled. Which of the following is TRUE regarding the aggregate route received by router R7?