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

Question # 74

Which of the following are true when ports are configured with the IEEE 802.3ah Loopback Control feature? (Choose 3)

Options:

A.

The loopback control PDU instructs the remote port to enter loopback mode.

B.

Putting a port in loopback does not affect customer data flow

C.

Both ports must rediscover the OAM capabilities of each other once the port is put back into service.

D.

Both ports must still send Information PDUs to avoid going back to discovery mode.

E.

When a port is in loopback mode, service mirroring will still work if it is a mirror-source or mirror-destination.

F.

All packets, except for information PDUs, are looped back.

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Question # 75

What is the default Alcatel-Lucent 7750 SR TTL of a BGP advertisement between confederation members?

Options:

A.

1

B.

32

C.

64

D.

255

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Question # 76

Click the exhibit button below. Given the scheduler-policy (below), how much bandwidth can the best-effort traffic receive (PIR and CIR) when the ingress rate of each queue is 10Mbps?

Options:

A.

PIR = 4Mbps. CIR = 1Mbps

B.

PIR = 1Mbps, CIR = 1 Mbps

C.

PIR = 10Mbps, CIR = 1Mbps

D.

PIR = 5Mbps, CIR = 1.25Mbps

E.

PIR = 1.25Mbps, CIR = 1.25Mbps

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Question # 77

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

Options:

A.

Model B does not require the configuration of VPRN instances on ASBRs.

B.

The ASBRs peer with each other to transport VPN-IPv4 routes between autonomous systems.

C.

PE routers distribute VPN-IPv4 routes to their local ASBR.

D.

One single ASBR is required in each AS to hold the routes for all VPRNs.

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Question # 78

Which statement about assigning one Route Distinguisher per VPN is TRUE?

Options:

A.

This approach is recommended when multiple sites advertise the same prefix.

B.

This approach limits the opportunities for load balancing.

C.

This approach requires additional memory on the PEs to store more routes.

D.

This approach is recommended for extranet VPN.

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Question # 79

Click the exhibit button below.

All interfaces are using their default trust states and MPLS is used as the transport tunnel. The SAP-ingress, SAP-egress, and network QoS policies have been configured as shown below. Assume that the default network-queue policy is used on each router.

At router PE 1, customer traffic is arriving marked with DSCP BE and tagged with a dot1p value of 3.

Based on the configuration shown below for the VPRN service, what will be the DSCP and dot1p marking for the packet egressing at router PE 2? (Choose two)

Options:

A.

The DSCP value will be set to af21.

B.

The DSCP value will be set to be.

C.

TheDSCPvaluewillbesettoaf23.

D.

The DSCP value will be set to af 12.

E.

Thedot1pvaluewillbesetto5.

F.

Thedot1pvaluewillbesetto2.

G.

The dot1p value will be set to 3.

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Question # 80

In the context of hierarchical scheduling, a scheduler is configured with a CIR weight of 0. Which of the following statements is TRUE?

Options:

A.

The scheduler will be allocated its "within CIR" bandwidth before all other children at the same level have received their "within CIR" bandwidth.

B.

The scheduler will be allocated its "within CIR" bandwidth after all other children at the same level have received their "within CIR" bandwidth.

C.

The scheduler will be allocated its "within CIR" bandwidth after all other children at all levels have received their "within CIR" bandwidth.

D.

The scheduler will not be allocated its "within CIR" bandwidth.

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Question # 81

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?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Question # 82

Which of the following about the configuration of BGP Site of Origin (SoO) is TRUE?

Options:

A.

Each PE must implement a policy to apply a unique SoO attribute to the set of routes received from each customer site.

B.

A different BGP extended community is used on each PE that connects to a single site.

C.

An import policy on the PE rejects a route if the attached SoO matches the configured value.

D.

Import and export policies are applied on the PEs under the global BGP context.

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Question # 83

Click the exhibit.

Internet access is provided to the Red VPRN (ID 10) via an Internet VRF (ID 500). For this configuration, which communities must be imported on the Red and Internet VRFs?

Options:

A.

Red VRF imports only "Internet"

Internet VRF imports only "Red-Only"

B.

Red VRF imports "Internet" and "Red-Only"

Internet VRF imports only "Red-Only"

C.

Red VRF imports only "Red-Only"

Internet VRF imports "Red-Only" and "Internet"

D.

Red VRF imports "Internet" and "Red-Only"

Internet VRF imports only "Internet"

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Exam Code: 4A0-C02
Exam Name: Nokia SRA Composite Exam
Last Update: Apr 1, 2025
Questions: 639
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