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Nokia 4A0-C02 - Nokia SRA Composite Exam

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Total 639 questions

The configuration of an Alcatel-Lucent 7750 SR is given below. Router Rl has established BGP sessions with routers R2 and R3. Which of the following is TRUE?

A.

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

B.

Router R1forms iBGP sessions with routers R2 and R3.

C.

Router R1forms eBGP sessions with routers R2 and R3.

D.

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

An Alcatel-Lucent 7750 SR is configured with a policy to export directly-connected networks to BGP. Which of the following commands verifies that the export was successful?

A.

show router route-table

B.

show router bgp routes

C.

show router bgp routes hunt

D.

show router bgp neighbor received-routes

Click the exhibit.

Assume all router-IDs are properly configured, and global IPv6 addresses are used to establish eBGP sessions. Which of the following configurations is required on router A so that router B can exchange traffic with router D?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

An Alcatel-Lucent 7750 SR receives two updates for the same route with local preferences 200 and 300, respectively. What local preference is sent to eBGP peers?

A.

100

B.

200

C.

300

D.

None

Click the exhibit.

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 R5?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

What is the result of configuring the following policy statement as a BGP import policy on the Alcatel-Lucent 7750 SR?

A.

All BGP routes are rejected.

B.

All BGP routes are accepted.

C.

All routes matching prefix list "List-1" are rejected.

D.

All BGP routes matching prefix list "List-1" are rejected.

A router in AS 65100 receives three routes for 138.120.0.0/16. The first route has an AS Path of 65200 65400 65300 and a local preference of 150. The second route has an AS Path of 65200 65300 and a local preference of 100. The third route has an AS Path of 65600 65300 and a local preference of 100. Which route will appear in the RIB-out?

A.

Only the first route will appear in the RIB-Out.

B.

Only the second route will appear in the RIB-Out.

C.

Only the third route will appear in the RIB-Out.

D.

All routes will appear in the RIB-Out.

An Alcatel-Lucent 7750 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

Click the exhibit.

Given that ISP 1 and ISP 2 are Tier 2 providers, and that ISP 3 and ISP 4 are Tier 1 providers, what is the most likely relationship between ISP 1 and the other ISPs?

A.

ISP 1 has a peering relationship with ISP 2 and ISP 4.

B.

ISP 1 has a peering relationship with ISP 2 and a transit relationship with ISP 3.

C.

ISP 1 has a peering relationship with ISP 2 and ISP 3.

D.

ISP 1 has a transit relationship with ISP 2 and ISP 4.

E.

ISP 1 has a transit relationship with ISP 2 and a peering relationship with ISP 3.

Click the exhibit.

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

A.

Two primary paths and one backup path.

B.

One primary path and two backup paths.

C.

Three primary path and one backup path,

D.

Three primary paths.

Which of the following behaviors regarding the modification of BGP attributes within a confederation is TRUE?

A.

Next Hop is modified when crossing member AS boundaries within a confederation.

B.

Origin Code is modified when crossing member AS boundaries within a confederation.

C.

AS Path is modified when crossing member AS boundaries within a confederation.

D.

None of the well known mandatory attributes is modified within a confederation.

Click the exhibit.

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

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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

A BGP router has loopback interfaces 192.168.1.1/27 and 192.168.2.1/27 advertised into BGP using the following export policy. The "aggregate 192.168.0.0/16" command is executed. What is the effect of this configuration?

A.

A single route for 192.168.0.0/16 is advertised.

B.

BGP routes 192.168.1.0/27, 192.168.2.0/27, and 192.168.0.0/16 are advertised.

C.

BGP routes 192.168.1.0/27 and 192.168.2.0/27 are advertised, and 192.168.0.0/16 appears as a "Blackhole" route in the route table only.

D.

The given export policy is invalid.

Which of the following is the minimum requirement for an AS to be considered multi-homed?

A.

A single connection to a single service provider.

B.

Two connections to a single service provider.

C.

Two connections to two different service providers.

D.

Multiple connections to different service providers.