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Free Nokia 4A0-C02 Practice Exam with Questions & Answers | Set: 8

Questions 106

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?

Options:
A.

100

B.

250

C.

500

D.

None

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Questions 107

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4A0-C02 Question 107

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?

4A0-C02 Question 107

Options:
A.

Option A

B.

Option B

C.

Option C

D.

Option D

Questions 108

Click the exhibit.

4A0-C02 Question 108

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

4A0-C02 Question 108

Options:
A.

Option A

B.

Option B

C.

Option C

D.

Option D

Questions 109

A confederated AS is comprised of three members. One member is comprised of 4 routers, while the other two members are comprised of 3 routers each. Assuming member ASs are fully meshed and use full mesh iBGP, what is the required number of BGP sessions within the confederation?

Options:
A.

12

B.

13

C.

14

D.

15

Questions 110

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4A0-C02 Question 110

Router R1 is advertising prefix 192.168.1.0/27 with community "no-export. Which routers will receive an update for that prefix?

Options:
A.

Router R2 only.

B.

Routers R2 and R3 only.

C.

Routers R2, R3 and R4 only.

D.

Routers R2, R3, R4and R5.

Questions 111

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4A0-C02 Question 111

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

Options:
A.

AS Path of 65200, local-preference of 100.

B.

AS Path of 65200, local-preference of None.

C.

Null AS Path, local-preference of 100.

D.

Null AS Path, local-preference of None.

Questions 112

Click the exhibit.

4A0-C02 Question 112

Which of the following is a valid confederation configuration for Router R2?

4A0-C02 Question 112

Options:
A.

Option A

B.

Option B

C.

Option C

D.

Option D

Questions 113

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 200. Which route will appear in the RIB-In?

Options:
A.

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

B.

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

C.

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

D.

All routes will appear in the RIB-In.

Questions 114

An Alcatel-Lucent 7750 SR has the BGP configuration shown below. Assuming the router has established BGP sessions to routers R1 and R2, which of the following is TRUE?

4A0-C02 Question 114

Options:
A.

Both neighbors R1and R2 should be part of AS 65540.

B.

Neighbor R1should be part of AS 65550, while neighbor R2 should be part of AS 65540.

C.

Neighbor R1should be part of AS 65550, while neighbor R2 should be part of AS 65560.

D.

Both neighbors R1and R2 should be part of AS 65560.

Questions 115

Which of the following statements regarding BGP route selection is TRUE?

Options:
A.

Lower local preference is preferred over higher local preference.

B.

Higher MED is preferred over lower MED.

C.

Higher origin code is preferred over lower origin code.

D.

Lower BGP router ID is preferred over higher BGP router ID.

Questions 116

Click the exhibit.

4A0-C02 Question 116

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 to routers 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?

Options:
A.

The routes from routers R1, R2 and R5.

B.

The routes from routers R1and R2.

C.

The routes from routers R2 and R5.

D.

Two routes are chosen at random and advertised to router R4.

Questions 117

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

4A0-C02 Question 117

Options:
A.

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

B.

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

C.

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

D.

"client1" routes will be rejected.

Questions 118

A BGP session is in OpenConfirm state. Which of the following messages must be received to transition to Established state?

Options:
A.

Update

B.

Open

C.

Notification

D.

Keepalive

Questions 119

What is the purpose of configuring a triggered-policy on an Alcatel-Lucent 7750 SR?

Options:
A.

Policy changes are delayed until the peer router with the affected routes reboots.

B.

Policy changes are delayed until route updates for affected BGP routes are received from peers.

C.

Policy changes are delayed until BGP sessions are cleared or BGP is reset.

D.

Policy changes are delayed until the router reboots.

Questions 120

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

Options:
A.

Advertising external networks into IGP.

B.

Using system addresses for setting up iBGP sessions.

C.

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

D.

Optimizing BGP route table by exporting IGP routes into BGP.

Exam Code: 4A0-C02
Certification Provider: Nokia
Exam Name: Nokia SRA Composite Exam
Last Update: Mar 28, 2025
Questions: 639

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