4A0-C02 Exam Training Practice Tests (Nokia SRA Composite)]

Question 1

What mechanism allows routes to be shared between customers in different VPRNs?

A. The routes to be shared are identified by common route distinguishers B. The routes to be shared are identified by common AS numbers C. The routes to be shared are identified by common route targets D. The routes to be shared are identified by common VPN labels

Correct Answer: C

Question 2

Which of the following statements regarding BGP Add-Paths is FALSE?

A. Add-Paths allows non-best paths to be advertised to a peer. B. Add-Paths capabilities are exchanged between peers after the BGP session is established. C. A BGP speaker must advertise the capability to receive multiple paths from its peer. D. A BGP speaker must advertise the capability to send multiple paths to its peer.

Correct Answer: D

Question 3

A default network policy is applied to all router interfaces associated with network ports.

A. FALSE B. TRUE

Correct Answer: B

Question 4

Click the exhibit.

One Route Distinguisher is assigned per VRF. If CE1 and CE2 advertise prefix 10.1.1.0/24, which of the following statements is FALSE?

A. The route reflector receives two routes for prefix 10.1.1.0/24; one from PE1 and one from PE2. B. PE1 and PE2 advertise the same VPN route to the route reflector. C. The route reflector reflects two routes for prefix 10.1.1.0/24. D. PE3 receives two routes and is able to load balance traffic across PE1 and PE2.

Correct Answer: B

Question 5

Click the exhibit.

Which of the following statements best describes the BGP sessions within the given network?

A. The BGP sessions within the member ASs are known as inter-confederation BGP sessions. B. A BGP session is required between AS 65202 and AS 65204. C. The session between AS 65204 and AS 65206 is an intra-confederation eBGP session. D. The session between AS 65202 and AS 65206 is an iBGP session.

Correct Answer: C

Question 6

Which of the following statements best describes the output from an Alcatel-Lucent 7750 SR shown below?

A. This is the base routing table from PE-1 B. This is the base routing table from PE-2F.This is the base routing table from PE-2F.This is the base routing table from PE-2 C. This is the customer vrf from PE-1D.This is the customer vrf from PE-1 D. This is the customer vrf from CE-1 E. This is the base routing table from CE-1 F. This is the customer vrf from PE-2E.This is the customer vrf from PE-2E.This is the customer vrf from PE-2 G. This is the base routing table from CE-2G.This is the base routing table from CE-2G.This is the base routing table from CE-2

Correct Answer: A

Question 7

When a routing protocol is configured as the PE-CE protocol at one site of a customer VPRN, the same routing protocol must be configured as the PE-CE protocol at all other sites of the same customer VPRN.

A. True B. False

Correct Answer: B

Question 8

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. The types of BGP sessions with routers R2 and R3 cannot be determined. C. Router R1forms iBGP sessions with routers R2 and R3. D. Router R1forms eBGP sessions with routers R2 and R3.

Correct Answer: B

Question 9

Which of the following describes the goal of an Extranet VPRN?

A. To simplify the administration of multiple VPRNs. B. To reduce the number of VPRN tunnels required. C. To allow routes to be exchanged between all, or selected, sites of one VPRN, and all, or selected, sites of a second VPRN. D. To allow network access between the headquarter sites of each VPRN service and a shared VPRN service offered by a third party.

Correct Answer: C

Question 10

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

A. The scheduler will be allocated its "within CIR" bandwidth after all other children at the same level have received their "within CIR" bandwidth. B. The scheduler will not be allocated its "within CIR" bandwidth. C. The scheduler will be allocated its "within CIR" bandwidth before all other children at the same level have received their "within CIR" bandwidth. D. The scheduler will be allocated its "within CIR" bandwidth after all other children at all levels have received their "within CIR" bandwidth.

Correct Answer: B

Question 11

On the Alcatel-Lucent 7750 SR, where can network-queue policies be applied? (Choose two)

A. On the ingress MDA. B. On the network egress port. C. On the egress MDA. D. On the access ingress port. E. On the SDP. F. On the SAP.

Correct Answer: A,B

Question 12

Which of the following prefix-lists is the most specific match for prefix 172.31.2.1/24?

A. Prefix 172.31.0.0/24 exact. B. Prefix 172.31.0.0/23 longer. C. Prefix 172.16.0.0/12 longer. D. Prefix 172.31.0.0/22 longer.

Correct Answer: D

Question 13

Which of the following are possible criteria for classifying packets at the network port ingress on the Alcatel-Lucent 7750 SR? (Choose three)

A. The packet's DSCP bits. B. The packet's source and destination IP addresses. C. The EXP bits in the MPLS header. D. The dot1p bits in the frame header. E. The ID of an SDP that is transporting the packet.

Correct Answer: A,C,D

Question 14

Based on the VPRN BGP decision process, which of the following routes is selected first if the command "PE1>config>service>vprn> bgp best-path-selection as-path-ignore" is executed?

A. The route learned from an eBGP peer. B. The route with the lowest Origin. C. The route with the shortest AS path. D. The route with the lowest originator ID or BGP Identifier.

Correct Answer: B

Nokia SRA Composite - 4A0-C02 Exam Practice Test