Nokia 4A0-106 Online Practice Questions and Exam Preparation

Nokia 4A0-106 Online Questions & Answers

• Question 191:

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

• Question 192:

  Click the exhibit.

  

  Which of the following about the inter-AS model A VPRN configuration on ASBR1 is TRUE?

  A. The route-distinguisher value must be 64496:10 for successful VPRN operation.
  B. An export policy is not required for successful VPRN operation.
  C. The "family vpn-ipv4" command is required under the BGP configuration for successful VPRN operation.
  D. The neighbor address should be 10.10.10.4 under the BGP configuration for successful VPRN operation.
  E. The VPRN configuration on ASBR1 is correct.
  E. The VPRN configuration on ASBR1 is correct.

• Question 193:

  Which of the following about eiBGP Load Balancing is FALSE?

  A. ecmp and multipath must be configured within the VPRN instance.
  B. The RD of the VPRN on the local PE must be different from the RD of the remote PEs.
  C. Is enabled in the config>router>bgp context
  D. Allows a PE router to load share traffic across routes learned from both direct CE-PE peerings and MP-BGP peerings.
  C. Is enabled in the config>router>bgp context

• Question 194:

  A service provider core consists of 6 PE and 4 P routers. Assuming route reflection is not used, how many internal BGP sessions are required in the service provider network for a correct operation of VPRN services?

  B. 5
  C. 15
  D. 30
  E. 45
  C. 15

• Question 195:

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

• Question 196:

  Click the exhibit.

  

  Routers RR1 and RR2 are configured as route reflectors. For the inter-AS model C VPRN, which of the following about the VPN-IPv4 route advertisement is FALSE?

  A. RR2 advertises the VPN-IPv4 route update of 192.2.1.0/27 to RR1
  B. RR1 advertises the VPN-IPv4 route update of 192.1.1.0/27 to RR2
  C. RR2 advertises the VPN-IPv4 route update of 192.1.1.0/27 to PE2
  D. PE1 advertises the VPN-IPv4 route update of 192.1.1.0/27 to RR1 and ASBR1
  D. PE1 advertises the VPN-IPv4 route update of 192.1.1.0/27 to RR1 and ASBR1

• Question 197:

  In a Carrier Supporting Carrier (CSC) VPRN, which of the following is a benefit to the network provider?

  A. No need to build and maintain its own backbone.
  B. The solution scales as the number of serviced customer carriers increases.
  C. The solution scales as the number of VPNs offered by the customer carriers increases.
  D. The ability to manage end-customer services.
  C. The solution scales as the number of VPNs offered by the customer carriers increases.

• Question 198:

  Click the exhibit.

  

  One Route Distinguisher is assigned per VRF. If CE1 and CE2 advertise prefix 10.1.1.0/24, which of the following statements is FALSE?

  A. PE1 and PE2 advertise the same VPN route to the route reflector.
  B. The route reflector receives two routes for prefix 10.1.1.0/24; one from PE1 and one from PE2.
  C. The route reflector reflects two routes for prefix 10.1.1.0/24.
  D. PE3 receives two routes and is able to load balance traffic across PE1 and PE2.
  A. PE1 and PE2 advertise the same VPN route to the route reflector.

• Question 199:

  Click the exhibit.

  

  A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is a BGP/MPLS service provider. Which route is present in PE1's global routing table?

  A. 192.168.10.1
  B. 192.168.20.1
  C. 10.10.10.1
  D. 10.10.10.6
  D. 10.10.10.6

• Question 200:

  Click the exhibit.

  

  The AS-path nullification method is used to prevent CE2 from discarding routes received from CE1. On which router should the AS-path nullification policy be configured?

  A. CE1
  B. PE2
  C. PE1
  D. CE2
  C. PE1