Nokia 4A0-C01 Online Practice Questions and Exam Preparation

Nokia 4A0-C01 Online Questions & Answers

• Question 611:

  What is the goal of MPLS Traffic Engineering?

  A. To establish additional LSPs across the network
  B. To allow ECMP to occur across an MPLS network
  C. To enable the implementation of services
  D. To utilize paths other than the lowest cost path
  D. To utilize paths other than the lowest cost path

• Question 612:

  Which of the following messages is NOT used in T-LDP operation?

  A. Hello message
  B. Init message
  C. Keepalive message
  D. Label Mapping message
  E. ACK message
  E. ACK message

• Question 613:

  How many service labels must be signaled to bring up a fully-meshed VPLS among three PE routers?

  A. 1
  B. 3
  C. 6
  D. 12
  C. 6

• Question 614:

  Click the exhibit button. What is the state of adjacency?

  

  A. Exchange
  B. Up
  C. Down
  D. 2-Way
  C. Down

• Question 615:

  What causes an adjacency to change from "Init" to "Two Way"?

  A. When a Link State Update is received in response to a Link State Request
  B. When a router receives a Hello packet from a neighbor that contains its router id in the neighbor list
  C. When OSPF neighbors exchange Database Descriptor packets
  D. When a Link State Acknowledgement is received in response to a Link State Update
  B. When a router receives a Hello packet from a neighbor that contains its router id in the neighbor list

• Question 616:

  A customer requests that their Layer 2 Ethernet service be configured to forward frames up to 1514 bytes. The service provider is using MPLS encapsulation and RSVP-TE fast- reroute with facilities bypass on their redundant IP/MPLS network. What is the minimum MTU setting for the network ports?

  A. 1514
  B. 1528
  C. 1536
  D. 1540
  E. 1560
  D. 1540

• Question 617:

  Which of the following statements regarding IS-IS DIS is false?

  A. L1 and L2 routers elect separate DIS's.
  B. DIS uses multicast address 0180x200:0015 to communicate with other routers on the broadcast network.
  C. If a new router starts up in a LAN and has a higher interface priority, the new router preempts the original DIS and becomes the DIS.
  D. In broadcast multi-access networks, such as Ethernet, a single router is elected as the DIS. There is no backup DIS
  B. DIS uses multicast address 0180x200:0015 to communicate with other routers on the broadcast network.

• Question 618:

  Which of the following is a feature of a black-hole static route?

  A. It discards packets based on the source address.
  B. It discards packets that match the destination prefix.
  C. It returns ICMP unreachable messages.
  D. It discards packets based on the egress port.
  B. It discards packets that match the destination prefix.

• Question 619:

  Which of the following best describes the label stack for a packet in the VPRN context?

  A. An outer label and a transport label.
  B. An inner label and a service label.
  C. A transport label and a service label.
  D. An MPLS transport label
  C. A transport label and a service label.

• Question 620:

  Which of the following indicates the path over which an LSP's tail end router will return an RSVP RESV message?

  A. The IGP FIB.
  B. The Reservation State Block (RSB)
  C. The Path State Block (PSB)
  D. The opaque database.
  C. The Path State Block (PSB)