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

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Viewing questions 11-20 out of questions

Questions # 11:

Which of the following is TRUE if a BGP session state is Connect?

Options:

BGP is waiting for the TCP connection to be completed.

BGP has established a TCP connection, and an Open message has been sent to that neighbor.

The BGP session has been interrupted, and a TCP connection is being re-established.

BGPhas failed to establish a TCP connection to that neighbor, and ConnectRetry has been reset to zero.

Answer

Questions # 12:

Which of the following is considered a best practice for BGP address planning?

Options:

Advertising external networks into IGP.

Using system addresses for setting up iBGP sessions.

Exportingthe networks associated with the external links of eBGP peers into BGP.

Optimizing BGP route table by exporting IGP routes into BGP.

Answer

Questions # 13:

AnNokia7750 SR receives a route from an eBGP peer without a MED. What MED value is sent to iBGP peers?

Options:

100

250

The IGP cost

None

Answer

Questions # 14:

Click the exhibit.

Question # 14

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?

Question # 14

Options:

Three primary paths,

Two primary paths and one backup path.

One primary path and two backup paths.

One primary path and one backup path.

Answer

Questions # 15:

Router R1, in AS 65540, has the export policy shown below. It advertises an aggregate route to eBGPpeer router R2 in 65550. What is the AS Path of the aggregate route received by router R2?

Question # 15

Options:

65540

65540 1

65540 65540

65550 65540

Answer

Questions # 16:

Click the exhibit.

Question # 16

If router A originates an update for prefix 192.168.0.1/27, what will the update contain when it reaches router B?

Options:

AS Path of 65200, local-preference of 100.

AS Path of 65200,local-preference of None.

Null AS Path, local-preference of 100.

Null AS Path, local-preference of None.

Answer

Questions # 17:

What is the result of configuring the following policy statement as aBGP import policy on theNokia7750 SR?

Question # 17

Options:

All BGP routes are rejected.

All BGP routes are accepted.

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

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

Answer

Questions # 18:

Which of the following best describes the purpose of advertise-external?

Options:

It enables a BGP speaker to advertise multiple external routes to iBGP peers.

It enables a BGP speaker to advertise its best external route to iBGP peers when the best overall route is internal.

It enables a BGP speaker to advertise its best external route to eBGP peers without an import policy.

It enables a BGP speaker to advertise its best internal route to eBGP peers without an export policy.

Answer

Questions # 19:

How are policy direction and data flow related on theNokia7750 SR?

Options:

Import policies affect ingress data flow.

Export policies affect ingress data flow.

Both import and export policies affect ingress data flow.

Policy direction and data flow are independent.

Answer

Questions # 20:

Click the exhibit.

Question # 20

Router R6 is a route reflector for clients R1, R2 and R5 with local preferences 100, 200 and 500 respectively. Router R3 advertises prefix 192.168.1.0/27 torouters R1, R2 and R5 which are configured with advertise-external. Routers R4 and R6 are both configured with "add-paths ipv4 send 2 receive". Which routes to 192.168.0.1/27 is router R4 expected to have in its BGP routing table?