Nokia Nokia Certifications 4A0-104 Questions & Answers

• Question 211:

  Click the exhibit.

  

  The operator at PE1 wants to analyze the traffic between CE4 and PE2. On a Nokia 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 about the lsp-ping command on the Nokia 7750 SR is FALSE?

  A. An echo request is sent based on the LSP's label stack.

  B. Echo reply packets may not take the same path as the LSP.

  C. The IP destination address is used to initiate echo requests.

  D. The test fails if the LSP is not operationally up.

  Correct Answer: C

• Question 213:

  A VPLS receives a frame with the single VLAN tag 35 on the Q-in-Q SAP 1/1/1:35.*. Which of the following describes default Nokia 7750 SR behavior?

  A. The frame is dropped.

  B. The VLAN tag is removed, and the frame is transported over the network.

  C. The VLAN tag is kept, and the frame is transported over the network.

  D. The VLAN tag is kept, a VLAN of 0 is added, and the frame is transported over the network.

  Correct Answer: B

• Question 214:

  An SDP using GRE encapsulation is configured for an E-pipe service. The network port used by the SDP has an MTU of 8000. What value does the SDP path MTU have by default on a Nokia 7750 SR?

  A. 7958

  B. 7978

  C. 8022

  D. 8042

  Correct Answer: A

• Question 215:

  A VPLS has a service MTU of 1600. To create an IES spoke termination to the VPLS, what ip-mtu value must be used for the IES?

  A. 1586

  B. 1596

  C. 1600

  D. 1614

  Correct Answer: A

• Question 216:

  On which object is ADSPEC enabled?

  A. SDP

  B. Network port

  C. LSP

  D. Service

  E. RSVP

  Correct Answer: C

• Question 217:

  What Nokia 7750 SR OAM tool can be used to verify the end-to-end connectivity of a service?

  A. Sdp-ping

  B. Isp-ping

  C. Svc-ping

  D. Sdp-mtu

  Correct Answer: C

• Question 218:

  What happens by default on a Nokia 7750 SR when a VPLS accepts a tagged frame at the ingress SAP 1/1/1:100?

  A. The FCS is verified and kept in the customer frame. The VLAN tag is kept and transported over the network.

  B. The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network.

  C. The FCS is verified and removed from the frame. The VLAN tag is kept for transport over the network.

  D. The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network.

  Correct Answer: D

• Question 219:

  A network consists of four PE routers. A customer requires a VPLS and has sites connected to each PE. The VPLS is fully meshed using IP/MPLS. How many SDPs must be configured on each PE?

  A. 3

  B. 4

  C. 6

  D. 8

  Correct Answer: A

• Question 220:

  Which of the following about VPLS MAC learning is TRUE?

  A. Mesh SDPs assist MAC learning by flooding traffic to other mesh SDPs.

  B. A PE keeps a single FDB for all VPLSes it has.

  C. Frames received on a SAP that are broadcast, multicast or unknown are flooded.

  D. The FDB only stores the MAC addresses of remote sites.

  Correct Answer: C