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Nokia 4A0-102 - Nokia Border Gateway Protocol

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Total 152 questions

Click the exhibit.

Over which BGP session will router B learn the 10.1.1.0/24 prefix?

A.

The session between router A and router B.

B.

The session between router C and router B.

C.

The session between router D and router B.

D.

Router B will learn the prefix over all of the sessions, then it will choosethe best route.

Click the exhibit.

Router R2 receives a route to 192.168.4.0/29 fromrouter R4 and sets the local preference to 110.

Router R1 receives the route to 192.168.4.0/29 from router R3, and sets the local preference to

80. There is a full iBGP mesh in AS 65540, but router R5 only has a physical connection to router R1. Which pathdoes traffic destined to 192.168.4.0/29 take from router R5?

A.

R5-R2-R4-R8

B.

R5-R1-R3-R4-R8

C.

R5-R1-R2-R4-R8

D.

R5-R1-R3-R7-R8

AnNokia7750 SR is configured with a local preference of 250. If it receives a BGP update with a local preference of 500, what local preference is sent to its eBGP peers?

A.

100

B.

250

C.

500

D.

None

Which of the following regarding BGP confederations is FALSE?

A.

The entireconfederation is viewed as a single AS by an eBGP peer.

B.

Within a confederation, each member AS is considered as a stand-alone AS.

C.

Member ASs within a confederation can use route reflection.

D.

Member ASs must be fully meshed within a confederation.

Click the exhibit.

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

What AS Path is seen by AS 200?

A.

140000 137000

B.

137000 140000

C.

23456 23456

D.

200 140000 137000

Which of the following statements regarding BGP Add-Paths is FALSE?

A.

Add-Paths allows non-best paths to be advertised to a peer.

B.

Add-Pathscapabilities are exchanged between peers after the BGP session is established.

C.

A BGP speaker must advertise the capability to receive multiple paths from its peer.

D.

A BGP speaker must advertise the capability to send multiple paths to its peer.

Click the exhibit.

Routers RR1 are RR2 are redundant route reflectors for clients R3 and R4. Which of the following is a valid configuration on router RR1?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Click the exhibit.

Considering that both routers C and D areadvertising the eBGP learned prefix 10.5.0.0/16 into

ISP X, which of the following best describes the route advertisement within ISP X?

A.

Router C sends the update to routers E and F only.

B.

Router C sends the update to routers D, E and F.

C.

Router C sends the update to routers A, B, E and F.

D.

Router C sends the update to routers A, B, D, E and F.

Click the exhibit.

Routers RR1 and RR2 are route reflectors with the same Cluster-ID. How does router RA treat the updates forprefix 192.168.1.0/27 received from routers RR1 and RR2?

A.

Router RA prefers the update received from router RR1.

B.

Router RA prefers the update received from router RR2.

C.

Router RA flags both updates as invalid.

D.

Router RA accepts bothupdates and flags them as used.

What kind of BGP attribute is the LocalPreference?

A.

Optional transitive attribute.

B.

Optional non-transitive attribute.

C.

Well-known mandatory attribute.

D.

Well-known discretionary attribute.