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4A0-C02 Exam Dumps - Nokia SRC Certification Questions and Answers

Question # 24

A router in AS 65100 receives two BGP routes. The first route is for 138.1.1.0/24 with an AS Path of 65200 65300, Local Preference of 100, MED of 100, and router ID 10.10.10.10. The second route is for 138.1.0.0/16 with an AS Path of 65500 65300, Local Preference of 150, MED of 100, and router ID 10.1.1.1. Assuming all other attributes are equal, which route would be used to forward an IP packet with destination IP address 138.1.1.1?

Options:

A.

The first BGP route.

B.

The second BGP route.

C.

Both routes are used.

D.

It is impossible to determine without the value of the origin code for both routes.

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Question # 25

Which of the following is TRUE if the local state of BGP is OpenConfirm?

Options:

A.

The local system has received a Keepalive message and is ready to exchange updates.

B.

The local system is exchanging Update messages with its neighbor.

C.

The local system has sent a Keepalive message to its neighbor and is waiting to receive one back.

D.

The local system has sent an Open message to its neighbor and is waiting to receive one back.

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Question # 26

Click the exhibit.

The displayed output is from an ASBR supporting an inter-AS model A VPRN. Which of the following statements about this output is TRUE?

Options:

A.

The neighbor shown is an ASBR router.

B.

The address family between the peers should be VPN-IPv4 instead of IPv4.

C.

The neighbor address cannot be the interface address 10.3.4.4.

D.

The omitted AS number under "BGP summary" must be equal to 64496.

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Question # 27

Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is an Internet Service Provider (ISP). Which of the following about route distribution is FALSE?

Options:

A.

The VRF 10 on CSC-PE1 includes PE1 and PE2's system addresses.

B.

The global routing table of PE1 includes PE2's system address.

C.

The VRF 10 on CSC-PE2 includes CEI'S address.

D.

The global routing table of PE2 includes CE1's address.

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Question # 28

If the max remote-age timer of a B-VPLS is reached, what happens to the remotely learned MAC addresses in the l-VPLS service?

Options:

A.

There is no effect. The MAC addresses for the l-VPLS age out independently of the aging of B-VPLS addresses.

B.

The MAC addresses for the l-VPLS will age out immediately following the remote-age out of the backbone-macs of the B-VPLS.

C.

By default, the remote-age timer of the B-VPLS is configured to 0 and addresses do not age out. The l-VPLS uses its own timer.

D.

The same timer is used for B-VPLS and l-VPLS addresses on the node.

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Question # 29

IEEE 802.3ah frames must be untagged.

Options:

A.

TRUE

B.

FALSE

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Question # 30

Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is an Internet Service Provider (ISP). Which route is NOT present in PE1's global routing table?

Options:

A.

192.60.100.0

B.

10.10.10.6

C.

10.10.10.3

D.

192.50.1.1

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Question # 31

Click the exhibit.

Routers RR1 and RR2 are configured as route reflectors. For the inter-AS model C VPRN, which of the following about the VPN-IPv4 route advertisement is FALSE?

Options:

A.

RR2 advertises the VPN-IPv4 route update of 192.2.1.0/27 to RR1

B.

RR1 advertises the VPN-IPv4 route update of 192.1.1.0/27 to RR2

C.

RR2 advertises the VPN-IPv4 route update of 192.1.1.0/27 to PE2

D.

PE1 advertises the VPN-IPv4 route update of 192.1.1.0/27 to RR1 and ASBRL

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Question # 32

Which of the following about inter-AS model C VPRN is FALSE?

Options:

A.

ASBRs exchange labeled IPv4 routes for the system addresses of PE routers.

B.

It requires a route reflector to be configured in each AS for successful operation.

C.

VPN-IPv4 routes are neither maintained nor distributed by the ASBRs.

D.

PE routers in different ASes exchange VPN-IPv4 routes directly between each other using MP-eBGP.

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Question # 33

What is the 6-bit binary representation of DSCP value AF21?

Options:

A.

010011

B.

100010

C.

010001

D.

001100

E.

010010

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Exam Code: 4A0-C02
Exam Name: Nokia SRA Composite Exam
Last Update: Feb 22, 2025
Questions: 639
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