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Nokia 4A0-102 - Nokia Border Gateway Protocol

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Total 152 questions

Click the exhibit.

Router R6 is a route reflector with clients R1, R2, R4 and R5. Router R4 receives three routes from router R6 and is configured with ECMP 3. Given the following BGPconfiguration on routerR4, how many primary and backup paths will be present in router R4's BGP routing table?

A.

Three primary paths,

B.

Two primary paths and one backup path.

C.

One primary path and two backup paths.

D.

One primary path and one backup path.

Click the exhibit.

Which of the following about the relationship between ISP 1 and ISP 3 is TRUE?

A.

ISP 1 is downstream from ISP 3 and is expected to push more traffic toward ISP 3 than itpulls from it.

B.

ISP 3 is downstream from ISP 1 and is expected to push more traffic toward ISP 1 than it pulls from it.

C.

ISP 1 is downstream from ISP 3 and is expected to pull more traffic from ISP 3 than it pushes toward it.

D.

ISP 3 is downstream from ISP1 and is expected to pull more traffic from ISP 1 than it pushes toward it.

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

A.

It modifies the BGPadvertisement logic.

B.

It improves convergence times and allows for better load sharing.

C.

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

D.

It supports both IPv4 and IPv6.

What are the well-known mandatory BGP attributes?

A.

Origin, Next Hop and Local Preference.

B.

Local preference, AS Path and Next Hop.

C.

Aggregator, Next Hop and AS Path.

D.

AS Path, Next Hop and Origin.

What is the function of the Cluster_List attribute?

A.

It is used for loop detection within the same cluster.

B.

It is used for loop detection between clusters.

C.

It is used for loop detection in a confederation.

D.

It is usedto identify the route reflectors within an AS.

Which of the following is TRUE?

A.

There can only be one communityassociated with a route.

B.

Community is an optional non-transitive attribute.

C.

Community is an optional transitive attribute.

D.

Community is a well-known discretionary attribute.

Which of the followingregarding the atomic aggregate attribute is TRUE?

A.

It is an optional transitive attribute.

B.

It is an optional non-transitive attribute.

C.

The atomic aggregate flag is always set if the aggregator attribute is set.

D.

The atomic aggregate flag is always set if the AS Path information is lost due to aggregation.

What class of attribute is Originator_ID?

A.

Well-known mandatory.

B.

Well-knowndiscretionary.

C.

Optional transitive.

D.

Optional non-transitive.

Click the exhibit.

An update travels from AS 135000 to AS 137000, traversing both 32-bit and 16-bit AS paths.

What will the AS Path be when the update reaches AS 137000?

A.

140000 200 135000

B.

137000 140000 200 135000

C.

140000 23456 135000

D.

135000 200 140000

How is the aggregator attribute handled with 32-bit AS numbers?

A.

With the same method and attribute as 16-bit AS numbers.

B.

With the same method as 16-bit AS numbers, but using the AS4_Aggregator attribute.

C.

Aggregation is not yet supported with 32-bit AS numbers.

D.

By using a dummy value of 23456 in the 16-bit AS aggregator field. This value lets the router know it needs to read the 32-bit AS number that is contained in the nextTLV.