Nokia 4A0-C01 Online Practice Questions and Exam Preparation

Nokia 4A0-C01 Online Questions & Answers

• Question 561:

  Which of the following about VPLS MAC learning is TRUE?

  A. Mesh SDPs assist MAC learning by flooding traffic to other mesh SDPs.
  B. A PE keeps a single FDB for all VPLSes it has.
  C. Frames received on a SAP that are broadcast, multicast or unknown are flooded.
  D. The FDB only stores the MAC addresses of remote sites.
  C. Frames received on a SAP that are broadcast, multicast or unknown are flooded.

• Question 562:

  Which of the following fields does NOT appear in the MPLS label header?

  A. Label
  B. Frame check sequence
  C. Traffic Class (previously called Experimental)
  D. Time To live
  E. Bottom of stack bit
  B. Frame check sequence

• Question 563:

  Which of the following about IS-IS Traffic Engineering on a Nokia 7750 SR is FALSE?

  A. Traffic engineering information is carried in the extended TLVs.
  B. Traffic engineering must be enabled on all IP/MPLS routers along the LSP path.
  C. Traffic engineering information is stored in the opaque database.
  D. Traffic engineering is required for constraint-based LSPs.
  C. Traffic engineering information is stored in the opaque database.

• Question 564:

  Which of the following about the Isp-ping command on the Alcatel-Lucent 7750 SR is FALSE?

  A. An echo request is sent based on the LSP's label stack.
  B. Echo reply packets may not take the same path as the LSP.
  C. The IP destination address is used to initiate echo requests,
  D. The test fails if the LSP is not operationally up.
  C. The IP destination address is used to initiate echo requests,

• Question 565:

  From the list below select the statements that describe the behavior of link state information aging. (Choose 2)

  A. The age for newly created link state information is set to 0 for OSPF and 1200 for IS-IS
  B. The age for newly created link state information is set to 1200 for OSPF and 0 for IS-IS
  C. The age is incremented or decremented as it is flooded from router to router and as it is held in the topological database.
  D. The age is incremented or decremented only as it is held in the topological database and not as it is flooded router to router.
  A. The age for newly created link state information is set to 0 for OSPF and 1200 for IS-IS
  C. The age is incremented or decremented as it is flooded from router to router and as it is held in the topological database.

• Question 566:

  Which of the following are top level TLV types defined for OSPF-TE? Choose two answers.

  A. Router address
  B. Traffic engineering metric
  C. Maximum bandwidth
  D. Link
  E. Admin Group
  A. Router address
  D. Link

• Question 567:

  Click on the exhibit.

  

  192.168.3.1 is a loopback interface on router R2 and is distributed to OSPF area 0, but the ping fails from router R3. Which of the following is a possible solution to the problem?

  A. Add the "originate-default-route" option in the NSSA area configuration on router R3.
  B. Add the "summaries" option to the NSSA area configuration on router R1.
  C. Configure a static route on router R1 to 192.168.3.1.
  D. Configure a default route on router R2.
  B. Add the "summaries" option to the NSSA area configuration on router R1.

• Question 568:

  Click the exhibit button.

  

  In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming that there are no stub networks, which of the following statements regarding Type 4 LSA generation is true?

  A. Router R1 generates a Type 4 LSA that is flooded to areas 0, 1, and 2.
  B. Router R3 generates a Type 4 LSA that is flooded to areas 0, 1, and 2.
  C. Router R3 generates a Type 4 LSA that is flooded to areas 0 and 2.
  D. Router R3 generates a Type 4 LSA that is flooded to area 0, and router R6 generates a Type 4 LSA that is flooded to area 2.
  D. Router R3 generates a Type 4 LSA that is flooded to area 0, and router R6 generates a Type 4 LSA that is flooded to area 2.

• Question 569:

  Which default LDP parameter are you able to change with CLI?

  A. Label space mode
  B. Label retention
  C. Control mode
  D. Keepalive factor
  D. Keepalive factor

• Question 570:

  Click the exhibit button.

  [Missing the exhibit]

  Which of the following statements best describes the format of data traffic sent from the PC to the server?

  A. The source IP address will be the address of the PC, and the destination IP address will be the system IP address of router R1; the source MAC address will be the MAC address of the PC, and the destination MAC address will be the MAC address of the router R1 port connected to the PC.
  B. The source IP address will be the address of the PC, and the destination IP address will be the IP address of the router R1 port connected to the PC, the source MAC address will be the MAC address of the PC, and the destination MAC address will be the MAC address of the router R1 port connected to the PC.
  C. The source IP address will be the address of the PC, and the destination IP address will be the IP address of the server, the source MAC address will be the MAC address of the PC, and the destination MAC address will be the MAC address of the server.
  D. The source IP address will be the address of the PC, and the destination IP address will be the IP address of the server; the source MAC address will be the MAC address of the PC, and the destination MAC address will be the MAC address of the router R1 port connected to the PC.
  D. The source IP address will be the address of the PC, and the destination IP address will be the IP address of the server; the source MAC address will be the MAC address of the PC, and the destination MAC address will be the MAC address of the router R1 port connected to the PC.