Nokia 4A0-103 Online Practice Questions and Exam Preparation

Nokia 4A0-103 Online Questions & Answers

• Question 31:

  Facility fast reroute with node protection is enabled for an LSP, which of the following is FALSE?

  A. Each PLR signals a bypass tunnel that avoids the next-hop downstream router.
  B. When a failure occurs, the PLR pushs an additional label onto the label stack.
  C. No bypass tunnel is established if the PLR cannot provide node protection.
  D. The head-end router sets the local protection desired flag in the session attribute object.
  C. No bypass tunnel is established if the PLR cannot provide node protection.

• Question 32:

  Which of the following about RSVP-TE is FALSE?

  A. It supports traffic protection using IGP equal cost paths.
  B. It supports CAC to prevent resource overbooking.
  C. It supports LSPs with traffic engineering constraints.
  D. It supports LSPs that follow the IGP best path.
  A. It supports traffic protection using IGP equal cost paths.

• Question 33:

  Which of the following devices assumes the active role during the establishment of an LDP session?

  A. The peer with the higher physical address.
  B. The peer with the higher transport address.
  C. The peer with the lower physical address.
  D. The peer with the lower transport address.
  E. The peer that generated the first Hello message.
  B. The peer with the higher transport address.

• Question 34:

  Using facility mode fast reroute, how does the PLR learn the address of the MP?

  A. The PLR issues an RSVP PATH message to the tail-end requesting the address of the MP.
  B. The PLR learns the address of the MP from the ERO.
  C. The PLR learns the address of the MP from the RRO.
  D. The PLR learns the address of the MP from the targeted RSVP Hello message.
  E. The PLR knows the address of the MP is the same as the tail-end router.
  C. The PLR learns the address of the MP from the RRO.

• Question 35:

  Click on the exhibit button below.

  

  LSP "toR8-5" requests fast reroute protection on the primary loose path. What could be done to remove the Failure Code shown?

  A. CSPF must be enabled at head-end on fast reroute protected loose path LSPs
  B. Fast reroute must first be enabled on the downstream routers.
  C. CSPF must be enabled on all downstream loose hop routers.
  D. Global revertive path optimization must be enabled so the path will be re-optimized around a failed node.
  A. CSPF must be enabled at head-end on fast reroute protected loose path LSPs

• Question 36:

  Which of the following message types does RSVP use to set up an LSP? (Choose two)

  A. Path message
  B. iLER message
  C. Resv message
  D. LSP setup call request
  E. eLER message
  A. Path message
  C. Resv message

• Question 37:

  Which of the following regarding MPLS Encapsulation is FALSE?

  A. The customer's Layer 2 header is preserved at the iLER for Layer 2 services.
  B. The customer's Layer 2 Header is preserved at the iLER for Layer 3 services.
  C. The service provider's Layer 2 header is added at the iLER for Layer 2 services.
  D. The service provider's Layer 2 header is added at the iLER for Layer 3 services.
  B. The customer's Layer 2 Header is preserved at the iLER for Layer 3 services.

• Question 38:

  Router R4 originates 500 RSVP signaled LSPs with default hello and refresh timer settings If the only downstream communication fails (link is operationally UP), how long will RSVP wait before it declares the RSVP sessions down?

  A. 3000ms
  B. 9000ms
  C. 30000ms
  D. 120000ms
  B. 9000ms

• Question 39:

  Click on the exhibit.

  

  If the primary path goes down, which secondary LSP path will the head-end router select first?

  A. Secondary_Path-1
  B. Secondary_Path-2
  C. Secondary_Path-3
  D. Secondary_Path-4
  C. Secondary_Path-3

• Question 40:

  Which of the following best describes constraint-based routing?

  A. A mechanism that implements opaque LSAs.
  B. A mechanism that computes routes based on defined user requirements.
  C. A mechanism that allows the IGP shortest path to be used.
  D. A mechanism that allows RSVP or LDP signaling to use a route other than the IGP best route to establish a LSP.
  B. A mechanism that computes routes based on defined user requirements.