Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 201:

  On an Alcatel-Lucent 7750 SR, which of the following statements about the default advertisement of VRF routes is true?

  A. All routes in the VRF are advertised to the PEs and CEs.

  B. No routes in the VRF are advertised to the PEs or to the CEs.

  C. All routes in the VRF are advertised to the PEs, but not to the CEs.

  D. All routes in the VRF are advertised to the CEs, but not to the PEs.

  Correct Answer: C

• Question 202:

  Which of the following about VPRN VRF tables is FALSE?

  A. A PE uses the same VRF table for all the VPRN services on it.

  B. A PE uses a VRF to maintain forwarding information.

  C. Information for VRFs can be advertised between PEs by MP-BGP.

  D. A PE uses a VRF to route traffic to CEs.

  Correct Answer: A

• Question 203:

  An operator wishes to verify end-to-end connectivity for an individual service. What utility will he or she most likely use?

  A. sdp-ping

  B. Isp-ping

  C. svc-ping

  D. sdp-mtu

  Correct Answer: C

• Question 204:

  Which of the following about SDPs is FALSE?

  A. Spoke SDPs prevent loops in a VPLS.

  B. Mesh SDPs and spoke SDPs can be used in the same VPLS.

  C. A spoke SDP does not require the routers at both ends to be directly connected.

  D. A mesh SDP is identical to a spoke SDP except for its flooding behavior.

  Correct Answer: A

• Question 205:

  Which of the following is TRUE when a service uses a GRE transport tunnel?

  A. The service takes a route determined by the IGP.

  B. The tunnel does not use a service label.

  C. The service label is swapped at each hop in the transport network.

  D. The tunnel is bidirectional and only requires configuration at one end of the service.

  Correct Answer: A

• Question 206:

  Which protocol can be used to signal the outer label for a VPN service?

  A. IPCP

  B. LDP

  C. PPP

  D. TLDP

  Correct Answer: B

• Question 207:

  Which of the following commands is used to enable an E-pipe service?

  A. config>service= epipe enable

  B. config>service~ vpws enable

  C. config>service= no shutdown

  D. config>port= no shutdown

  E. config>service= epipe no shutdown

  Correct Answer: E

• Question 208:

  Which of the following about Hierarchical VPLS is FALSE?

  A. They allow a VPLS to scale more easily.

  B. They use mesh SDPs to connect smaller VPLSes together.

  C. They allow a service to span multiple metro networks.

  D. They simplify the configuration required when adding new PEs.

  Correct Answer: B

• Question 209:

  When a tagged packet is received on a SAP configured with dot1q encapsulation, the VLAN tag must match the value configured on the SAP in order to be forwarded.

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 210:

  Click the exhibit.

  

  This output is from a router that is part of a 6VPE deployment using a VPRN. Which type of router would this configuration be found on?

  A. A CE router.

  B. A P router.

  C. A PE router.

  D. Both P and PE routers.

  Correct Answer: A