Nokia 4A0-104 Online Practice Questions and Exam Preparation

Nokia 4A0-104 Online Questions & Answers

• Question 11:

  Which of the following about the label stack of a VPRN is FALSE?

  A. The service label is swapped for a transport label during transport.
  B. The transport label is used to forward packets between PEs.
  C. The service label is used to identify which VPRN a packet belongs to.
  D. Labels are initially added at the ingress PE.
  A. The service label is swapped for a transport label during transport.

• Question 12:

  On which component is vc-type configured to create an E-pipe service that preserves the VLAN tag during transport?

  A. The SDP itself (outside of the E-pipe context).
  B. The SAP in the E-pipe.
  C. The mesh SDP in the E-pipe.
  D. The spoke SDP in the E-pipe.
  D. The spoke SDP in the E-pipe.

• Question 13:

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

• Question 14:

  Which of the following regarding 6VPE is FALSE?

  A. 6VPE is a tunneling technology that makes use of MPLS tunnels to transport IPv6 prefixes over an IPv4 infrastructure.
  B. Customers connected to 6VPE can run IPv6 or IPv4.
  C. On a PE router, if the MP-BGP next hop is an IPv4 address, a mapped IPv6-compliant address will be used.
  D. 6VPE implements its own VPN-IPv6 address family and is a replacement for MP-BGP.
  D. 6VPE implements its own VPN-IPv6 address family and is a replacement for MP-BGP.

• Question 15:

  Which of the following fields is NOT present in a GRE encapsulated VPN service packet?

  A. DLC Header
  B. Control Word
  C. Transport Label
  D. Service Label
  C. Transport Label

• Question 16:

  Which protocol is used to signal the inner label for a L2-VPN service?

  A. RSVP
  B. IPCP
  C. TLDP
  D. PPP
  E. Either RSVP or LDP
  F. M-BGP
  C. TLDP

• Question 17:

  Which of the following about route distinguishers on the Nokia 7750 SR is FALSE?

  A. Route distinguishers are contained in VPN-IPv4 prefixes.
  B. Route distinguishers allow the same IP prefix to be used for more than one destination in a single VPRN.
  C. Route distinguishers allow MP-BGP to manage multiple routes for the same IP prefix.
  D. Route distinguishers are only used by the PE routes.
  B. Route distinguishers allow the same IP prefix to be used for more than one destination in a single VPRN.

• Question 18:

  Click the exhibit.

  

  The output is from PE router R4 about VPRN service 100. How many prefixes have been learned from the MP-BGP protocol?

  B. 2
  C. 3
  D. 6
  C. 3

• Question 19:

  Which of the following best completes the sentence: "An Internet Enhanced Service is a_____________ service where the CE communicates with a ________________interface to send and receive traffic.

  A. distributed/virtual
  B. local/sub
  C. routed/Layer 3
  D. distributed/routed
  E. Layer 2/loopback
  C. routed/Layer 3

• Question 20:

  A transport tunnel can either use an MPLS or GRE encapsulation.

  A. TRUE
  B. FALSE
  A. TRUE