Nokia 4A0-C01 Online Practice Questions and Exam Preparation

Nokia 4A0-C01 Online Questions & Answers

• Question 901:

  Click on the exhibit.

  

  An LSP traverses the path R1-R2-R3-R6 and facility fast reroute is enabled. If the protected LSP carries one transport label and one service label, how many labels will be on the bypass tunnel if router R2 fails?

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

• Question 902:

  Click on the exhibit.

  

  Examine the physical topology of the IS-IS network, the metrics of the links and the levels of the routers. All routers have a system address included in IS-IS.

  Which of the following describes the route that router R4 will use to reach the system address of router R6?

  A. Router R4 will have a route to router R6's system address with router R2 as the next- hop.
  B. Router R4 will have a default route with router R2 as the next-hop.
  C. Router R4 will have a default route with router R3 as the next-hop.
  D. Router R4 will not have a route that can be used to reach the system address of router R6.
  D. Router R4 will not have a route that can be used to reach the system address of router R6.

• Question 903:

  Which of the following are similarities between OSPF and IS-IS? Choose two answers.

  A. Metric is based on hop count.
  B. Slow convergence after link failures.
  C. Support hierarchy through the use of areas.
  D. Support for CIDR.
  E. Link state updates sent using layer 3 multicast.
  C. Support hierarchy through the use of areas.
  D. Support for CIDR.

• Question 904:

  Which of the following statements regarding the MPLS SWAP label operation is true?

  A. The inner label will be exchanged with the MPLS outer label.
  B. The inner label will be exchanged for a new label.
  C. The outer label will be exchanged for a new label.
  D. All labels will be exchanged for one new label.
  E. All labels will be exchanged for an equal number of new labels.
  C. The outer label will be exchanged for a new label.

• Question 905:

  Click on the exhibit.

  

  Which of the following about the bypass tunnel is FALSE?

  A. The router 10.10.10.1 is a PLR providing node protection for the router 10.10.10.3.
  B. One-to-one fast reroute protection is requested by an LSP.
  C. The bypass-link tunnel is used to avoid the link with the egress interface address 10.3.4.4.
  D. The bypass-node tunnel is used to avoid the next-hop downstream router 10.10.10.3.
  B. One-to-one fast reroute protection is requested by an LSP.

• Question 906:

  An operator wishes to verify end-to-end connectivity for an individual service. What utility will he or she most likely use?

  A. sdp-ping
  B. Isp-ping
  C. svc-ping
  D. sdp-mtu
  C. svc-ping

• Question 907:

  If an LSP's loose primary path includes the statement "include green" and "exclude red;" how does CSPF choose the LSP's path?

  A. CSPF chooses a link that is a member of both administrative groups
  B. CSPF chooses only those links that are NOT members of the green admin group
  C. CSPF prunes the green links and uses these links for the secondary path
  D. CSPF signals the LSP path over the green links only, and prunes all other links
  D. CSPF signals the LSP path over the green links only, and prunes all other links

• Question 908:

  Which of the following statements is true of an established LDP session?

  A. It uses a UDP connection with an arbitrary port number.
  B. It uses a UDP connection with well known port number 646.
  C. It uses a TCP connection with an arbitrary port number.
  D. It uses a TCP connection with well known port number 646.
  D. It uses a TCP connection with well known port number 646.

• Question 909:

  A fully loose LSP "toR6" is enabled with FRR protection. All links have the same cost. After the link between R2 and R4 goes down, FRR protection repairs the LSP and traffic traverses on R1-R2-R7-R8-R4-R6. By default, which of the following about this LSP on a Nokia 7750 SR is FALSE?

  

  A. The LSP will switch to R1-R3-R5-R6 after the resignal timer expires.
  B. The old primary path and its detours are torn down after the new primary path is established.
  C. CSPF must be enabled to find a more optimal path.
  D. The traffic is switched to R1-R3-R5-R6 in an MBB fashion.
  A. The LSP will switch to R1-R3-R5-R6 after the resignal timer expires.

• Question 910:

  Which of the following OSPFv3 LSAs have an AS scope?

  A. Link Local LSA
  B. Router LSA
  C. Network LSA
  D. Inter-Area Router LSA
  E. Intra-Area Prefix LSA
  F. None of the above LSAs have an AS scope.
  F. None of the above LSAs have an AS scope.