Nokia Nokia Certifications 4A0-106 Questions & Answers

• Question 121:

  Click the exhibit.

  

  Internet access using route leaking between the VRF and the global routing table is configured in the network. Which of the following is the correct output of route 192.168.50.1 in the global routing table of PE3?

  A. A

  B. B

  C. C

  D. D

  Correct Answer: B

• Question 122:

  Which of the following about a full mesh VPRN is FALSE?

  A. Dual CEs connected to redundant PEs can provide redundancy within a single site.

  B. Site redundancy can be achieved by dual homing a single CE to one or more PEs.

  C. Provider core LSPs can be LDP-based or RSVP-based.

  D. The provider core maintains a full mesh of LSP tunnels and MP-BGP sessions between all P devices.

  Correct Answer: D

• Question 123:

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

  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.

  Correct Answer: B

• Question 124:

  A CE hub and spoke VPRN has two spoke sites; which of the following would be the best option to implement this topology at the hub site PE?

  A. One VPRN, one route distinguisher, and two route targets

  B. Two VPRNs, one route distinguisher, and three route targets

  C. Two VPRNs, two route distinguishers, and three route targets

  D. One VPRN, two route distinguishers, and three route targets

  Correct Answer: A

• Question 125:

  You are configuring a VPLS spoke termination to a VPRN on an Alcatel-Lucent 7750 SR. If LDP is used for all transport tunnels, what type of sessions are established by the VPRN PE router that is configured with the spoke termination?

  A. T-LDP and LDP sessions with the other VPRN PE routers and the VPLS PE router

  B. T-LDP sessions with the other VPRN PE routers and the VPLS PE router

  C. LDP sessions with the other VPRN PE routers and the VPLS PE router

  D. LDP sessions with the other VPRN PE routers, and both T-LDP and LDP sessions with the VPLS PE router

  E. T-LDP and LDP sessions with the other VPRN PE routers and LDP sessions with the VPLS PE router

  Correct Answer: D

• Question 126:

  Click the exhibit.

  

  PE3 learns Internet routes via its VRF interface to the Internet peering router and stores them in its Internet VRF. CE1 is connected to the Red VPN and requires Internet access via its Red VRF interface. Which of the following statements do not fulfill this requirement?

  A. PE1 advertises the Red VPN routes and a default route to PE3.

  B. The Internet VRF on PE3 imports the Red VPN routes advertised by PE1.

  C. PE1 imports all Internet routes and advertises them to CE1 via the Red VRF.

  D. PE3 advertises a default route from its Internet VRF instead of advertising all Internet routes.

  Correct Answer: A

• Question 127:

  Click the exhibit.

  

  The policy shown is configured on an Alcatel-Lucent 7750 SR to implement an extranet VPRN between the main sites of two separate VPRNs. Route target "target:65100:2" is used for Customer 1 routes, and route target "target:65100:3" is used for Extranet routes. How should this policy be applied?

  A. The policy should be applied as an import policy on the PE connected to the main site of Customer 1.

  B. The policy should be applied as an import policy on all the PEs connected to the sites of Customer 1.

  C. The policy should be applied as an export policy on the PE connected to the main site of Customer 1.

  D. The policy should be applied as an export policy on all the PEs connected to the sites of Customer 1.

  Correct Answer: A

• Question 128:

  Which of the following is not an available option for Route Distinguisher assignment?

  A. One Route Distinguisher per VRF route

  B. One Route Distinguisher per VRF

  C. One Route Distinguisher per VRF per site

  D. One Route Distinguisher per VPN

  Correct Answer: A

• Question 129:

  Click the exhibit.

  

  For the PE hub and spoke VPRN, on which PE(s) should the VPRN service command "vrf-target export target:65100:1 import target:65100:2" be configured?

  A. PE1

  B. PE2, PE3 and PE4

  C. PE1, PE2, PE3 and PE4

  D. This command is not required for the configuration of this PE hub and spoke VPRN.

  Correct Answer: A

• Question 130:

  Which of the following is a benefit of a hub and spoke VPRN topology?

  A. Reduced number of VPN tunnels that need to be managed.

  B. Optimal routing between all sites.

  C. Limited configuration required on the hub PE device.

  D. Site to site redundancy support.

  Correct Answer: A