Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 211:

  Click the exhibit.

  

  The operator at PE1 wants to analyze the traffic between CE4 and PE2. On an Alcatel- Lucent 7750 SR, which of the following is required as part of the configuration?

  A. Both PE1 and PE2 need a mirror source.

  B. PE2 needs a mirror source with the remote source specified.

  C. PE1 needs a mirror source with the remote source specified.

  D. Both PE1 and PE2 need a mirror destination.

  E. PE2 needs a mirror destination that specifies a SAP.

  Correct Answer: D

• Question 212:

  Which of the following SAP encapsulations support multiple services on a port? (Choose 3)

  A. dot1q

  B. null

  C. qinq

  D. atm

  E. ipcp

  F. bcp-null

  Correct Answer: ACD

• Question 213:

  By default, what happens when a packet with a VLAN tag is received on a SAP provisioned with null encapsulation?

  A. The original VLAN tag is removed.

  B. The original VLAN tag is kept.

  C. The VLAN tag is replaced by a provider tag.

  D. The VLAN tag is kept and a provider tag is added.

  Correct Answer: B

• Question 214:

  Click the exhibit.

  

  Based on the output from PE router R1 about VPRN 100, by which protocol was 192.168.10.0/24 learned?

  A. BGP

  B. MP-BGP

  C. LDP

  D. MPLS

  Correct Answer: A

• Question 215:

  Which of the following about the Alcatel-Lucent 7750 SR sdp-ping is TRUE?

  A. It tests the IGP reachability of the far-end IP address of an SDP.

  B. It tests that the MTU settings of a service are correct.

  C. It tests in-band, uni-directional or round-trip connectivity of SDPs.

  D. It tests the reachability of hosts connected to an SDP.

  Correct Answer: C

• Question 216:

  Which of the following about route distinguishes on the Alcatel-Lucent 7750 SR is FALSE?

  A. Route distinguishes are contained in VPN-IPv4 prefixes.

  B. Route distinguishes allow the same IP prefix to be used for more than one destination in a single VPRN.

  C. Route distinguishes allow MP-BGP to manage multiple routes for the same IP prefix.

  D. Route distinguishes are only used by the PE routes.

  Correct Answer: B

• Question 217:

  Why must the MTU be changed when configuring an IES spoke termination to a VPLS?

  A. The default service MTU on a VPLS service is 1514 bytes.

  B. The default IP MTU of an IES is set based on the network port MTU.

  C. During VC label signaling, the VC MTU is verified and must match.

  D. All of the above.

  Correct Answer: D

• Question 218:

  Which of the following about VPRN labels is FALSE?

  A. The outer label allows traffic to transit across the MPLS network.

  B. The inner label identifies the VPRN service.

  C. MP-BGP is used to signal VPRN labels.

  D. The VPRN service label contains the customer's IP address.

  Correct Answer: D

• Question 219:

  A transport tunnel can either use an MPLS or GRE encapsulation.

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 220:

  Which of the following comparisons between E-pipes and VPLSes is FALSE?

  A. They both function as a Layer 2 switch from the service provider's perspective.

  B. They both support SAP encapsulations of null, dot1Q and Q-in-Q.

  C. They both use SAPs as the demarcation point between the customer and the provider.

  D. MAC addresses are learned by VPLSes, but not by E-pipes.

  Correct Answer: A