Nokia 4A0-106 Online Practice Questions and Exam Preparation

Nokia 4A0-106 Online Questions & Answers

• Question 121:

  Which of the following about inter-AS model C VPRN is FALSE?

  A. ASBRs exchange labeled IPv4 routes for the system addresses of PE routers.
  B. It requires a route reflector to be configured in each AS for successful operation.
  C. VPN-IPv4 routes are neither maintained nor distributed by the ASBRs.
  D. PE routers in different ASes exchange VPN-IPv4 routes directly between each other using MP-eBGP.
  B. It requires a route reflector to be configured in each AS for successful operation.

• Question 122:

  Click the exhibit.

  

  A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is a BGP/MPLS service provider. If CE1 sends an IP packet to 192.168.200.1, which of the following is FALSE?

  A. CE1 forwards the data packet to PE1 via the VPRN 20 interface.
  B. PE1 pushes two labels on the IP packet: a BGP label and an LDP transport label.
  C. CSC-CE1 pops the LDP label and swaps the BGP label.
  D. CSC-PE1 pops the BGP label and pushes a VPN label and an MPLS transport label.
  B. PE1 pushes two labels on the IP packet: a BGP label and an LDP transport label.

• Question 123:

  Click the exhibit.

  

  What is wrong with the VPRN configuration applied on this Alcatel-Lucent 7750 SR?

  A. The VPRN ID must match the value used in the vrf-target command.
  B. The VPRN ID must match the value used in the route-distinguisher command.
  C. The router-id command should not be used in this context.
  D. The "no shutdown" command must be configured for the VPRN to be operationally UP.
  D. The "no shutdown" command must be configured for the VPRN to be operationally UP.

• Question 124:

  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
  A. Show router bgp routes

• Question 125:

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

  A. The ability to offer Internet connectivity and a variety of services over a single CSC VPRN interface.
  B. The ability to maintain its own backbone.
  C. The ability to learn system addresses of network provider PEs.
  D. There is no need to manage end-customer services.
  A. The ability to offer Internet connectivity and a variety of services over a single CSC VPRN interface.

• Question 126:

  A VPLS spoke SDP is terminated on a VPRN service. The remote side of the spoke SDP is operationally "Down" with a flag of "Service MTU Mismatch". Which command can you use on an Alcatel-Lucent 7750 SR to show the signaled operational VC-MTU?

  A. show service id base
  B. show router ldp bindings
  C. show service id sdp detail
  D. show service id vc-mtu
  B. show router ldp bindings

• Question 127:

  Click the exhibit.

  

  The CLI command "remove-private" is configured on PE1 to eliminate BGP loops in the VPRN. For the displayed route, what is the value of the AS-Path field?

  A. 64496 64512
  B. 64512
  C. 64496
  D. 64512 64496
  C. 64496

• Question 128:

  Click the exhibit.

  

  An Alcatel-Lucent 7750 SR is to be configured as a PE router that supports VPRNs using LDP as the transport protocol. Which of the following best describes this configuration?

  A. This configuration is correct and complete.
  B. This configuration is correct, except that the system interface must be added.
  C. This configuration is correct, except that the interfaces facing the CE routers must be added.
  D. MPLS configuration is not required.
  D. MPLS configuration is not required.

• Question 129:

  Click the exhibit.

  

  For the CE hub and spoke VPRN, which of the following is FALSE?

  A. The primary VRF on PE1 contains routes learned from spoke sites.
  B. All traffic between spoke sites must pass through CE1.
  C. The secondary VRF on PE1 is used to route data packets from the hub CE to the spoke sites.
  D. PE1 advertises the primary VRF routes to CE1.
  C. The secondary VRF on PE1 is used to route data packets from the hub CE to the spoke sites.

• Question 130:

  Which of the following describes how a route is handled when is received at the PE from the local CE?

  A. It will be placed into the customer VRF and automatically propagated into the BGP table
  B. It will be placed into the customer VRF and then be propagated to the BGP table only if BGP is used as the PE-CE protocol
  C. It will be placed into the customer VRF and require an export policy to be propagated to the BGP table
  D. It will be placed into the customer VRF and require an export policy to be propagated to the BGP table if RIP is used as the PE-CE protocol
  E. It will be placed into the customer VRF and require an export policy to be placed into the BGP table if a protocol other than BGP is used as the PE-CE protocol
  A. It will be placed into the customer VRF and automatically propagated into the BGP table