Nokia Nokia Certifications 4A0-106 Questions & Answers

• Question 161:

  When an Alcatel-Lucent 7750 SR receives a BGP update containing an AS-Path loop, what is the default action?

  

  A. The update is accepted and the route installed in the route table.

  B. The update is accepted but the route will not be installed in the route table

  C. The update is rejected

  D. The peer session is dropped

  Correct Answer: A

• Question 162:

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

  A. The BGP session from PE to P is not operational

  B. The BGP session between PEs is operational

  C. The BGP session between PE and CE is not operational

  D. The BGP session from PE to CE is operational

  E. The BGP session between PEs is not operational

  Correct Answer: D

• Question 163:

  When would it be appropriate to use the as-override command?

  

  A. When sites of different VPRN customers use the same BGP AS number

  B. When sites of the same VPRN customer use the same BGP AS number

  C. When sites of different VPRN customers use different BGP AS numbers

  D. When sites of the same VPRN customer use different BGP AS numbers

  E. When the customer site AS number is the same as the provider AS number

  Correct Answer: B

• Question 164:

  Which command should be used on an Alcatel-Lucent 7750 SR acting as the PE, to view the table containing the BGP routes received from the remote sites?

  A. Show router bgp routes

  B. Show router bgp routes address-family vpn-ipv4

  C. Show router bgp routes

  D. Show router bgp routes

  Correct Answer: A

• Question 165:

  An advantage of using BGP as the PE-CE protocol is that route policies are no longer required to control the exchange of routes from BGP to MP-BGP.

  A. True

  B. False

  Correct Answer: B

• Question 166:

  Which of the following commands on an Alcatel-Lucent 7750 SR will verify connectivity for a VPRN service when issued from the PE?

  

  A. oam vprn-ping source destination

  B. oam vprn-ping source destination

  C. vprn-ping router

  D. Ping source

  Correct Answer: A

• Question 167:

  An SDP has been configured for a VPRN service using an existing MPLS LSP and the configuration shown below. Which of the statements below is true about the configuration on an Alcatel-Lucent 7750 SR?

  A. The configuration is incomplete as the uto-bind command is missing

  B. The configuration is incomplete as the ignaling off command is missing

  C. The configuration is incorrect as VPRN service does not support spoke-sdp configuration using MPLS LSPs

  D. The configuration is incorrect as Line 8 should be poke-sdp 42 mpls create

  E. The configuration is complete and correct

  Correct Answer: B

• Question 168:

  Assuming that as-override has been used, which of the following statements describes the most likely location of prefix 10.1.2.0/24, based on the output from an Alcatel-Lucent 7750 SR shown below?

  

  A. It is located in an Autonomous System directly connected to this router

  B. There is a single Autonomous System between the local AS and the AS that originated the prefix

  C. There are two Autonomous Systems between the local AS and the AS that originated the prefix

  D. There may be two or more Autonomous Systems between the local AS and the AS that originated the prefix

  E. It is located in Autonomous System 65100

  Correct Answer: B

• Question 169:

  When configuring BGP as the PE-CE protocol on an Alcatel-Lucent 7750 SR, the configuration on the CE is done under the ____________ context and the PE configuration is under the ____________ context.

  

  A. Global, router

  B. Router, router

  C. Service, router

  D. Router, service

  E. Service, service

  F. Router, global

  Correct Answer: D

• Question 170:

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

  A. The As-Path is not present as it was removed with the s-override configuration command

  B. The As-Path is not present as it was removed with the o-as-path configuration command

  C. The As-Path is not present as a policy was configured to set it to the null value

  D. The As-Path is not present as VPN-IPv4 routes do not propagate the IPv4 As-Path BGP attribute

  Correct Answer: C