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SRC Certification
4A0-102
NokiaBorder Gateway Protocol Questions and Answers

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Viewing questions 31-40 out of questions

Questions # 31:

Click the exhibit.

Question # 31

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by 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 none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes" on router R2?

Question # 31

Options:

Option A

Option B

Option C

Option D

Answer

Questions # 32:

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

Question # 32

Options:

"client1" routes will be tagged with communities "North" and "West".

"client1" routes will be tagged with community "West".

"client1" routes will betagged with community "North".

"client1" routes will be rejected.

Answer

Questions # 33:

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

Options:

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

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

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

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.

Answer

Questions # 34:

Click the exhibit.

Question # 34

Which of the following is a valid BGP configuration for router R2?

Question # 34

Options:

Option A

Option B

Option C

Option D

Answer

Questions # 35:

From what range are 16-bit private AS numbers selected?

Options:

64496 – 64511

1 – 56319

64512-65534

64513-65535

There are no defined private AS numbers; there are only private IP addresses.

Answer

Questions # 36:

Click on the exhibit.

Question # 36

AS 65540 is using MPLS to provide BGP shortcuts for its iBGP routing. Which routers must be configured with the "configure router bgp igp-shortcuts rsvp-te" command?

Options:

Routers R6, R1, R4 and R5.

Routers R1and R4.

Routers R1, R2, R3 and R4.

Routers R2 and R3.

Answer

Questions # 37:

Click the exhibit.

Question # 37

Assume all router-IDs are properly configured. Which of the following configurations is required on theNokia7750 SR router A to establish an IPv6 BGPsession to router D?

Question # 37

Options:

Option A

Option B

Option C

Option D

Answer

Questions # 38:

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.

Answer

Questions # 39:

Click the exhibit.

Question # 39

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?

Options:

R5-R2-R4-R8

R5-R1-R3-R4-R8

R5-R1-R2-R4-R8

R5-R1-R3-R7-R8

Answer

Questions # 40:

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?