Nokia 4A0-C01 Online Practice Questions and Exam Preparation

Nokia 4A0-C01 Online Questions & Answers

• Question 411:

  If routers R1 and R2 have a Level 1 and Level 2 IS-IS adjacency, which of the following statements are true? Choose two answers.

  A. Routers R1 and R2 are in different areas,
  B. Routers R1 and R2 are in the same area.
  C. Routers R1 and R2 will send a Level 1 Hello PDU and Level 2 Hello PDU, if the interface type between them is point-to-point.
  D. Routers R1 and R2 will send a Level 1 Hello PDU and Level 2 Hello PDU, if the interface type between them is broadcast.
  E. Routers R1 and R2 will send a Level 1/2 Hello PDU, if the interface type between them is broadcast.
  B. Routers R1 and R2 are in the same area.
  D. Routers R1 and R2 will send a Level 1 Hello PDU and Level 2 Hello PDU, if the interface type between them is broadcast.

• Question 412:

  Click on the exhibit.

  

  In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming that there are no stub or NSSA networks, which of the following regarding LSAs is TRUE?

  A. Only router R1 will generate Type 4 LSAs.
  B. Only router R3 will generate Type 4 LSAs.
  C. Routers R3 and R6 will generate Type 4 LSAs.
  D. Routers R1.R3 and R6 will generate Type 4 LSAs.
  C. Routers R3 and R6 will generate Type 4 LSAs.

• Question 413:

  Which of the LSA types stay within an OSPF area and are not exported outside of the area? (Choose all that apply)

  A. Router LSA
  B. Network LSA
  C. Summary Network LSA
  D. Summary Router LSA
  A. Router LSA
  B. Network LSA

• Question 414:

  Which of the following statements regarding area border routers in an OSPF network is true?

  A. The term backbone router has the same definition as the term area border router.
  B. An OSPF network needs at least one area border router to function.
  C. Area border routers connect the backbone area to other areas in an OSPF network.
  D. By definition, an area border router must perform route summarization between areas.
  C. Area border routers connect the backbone area to other areas in an OSPF network.

• Question 415:

  Which of the following statements is TRUE regarding a VRF?

  A. A VRF contains a single VPRN routes.
  B. Every VRF in a PE is associated with one or more route target attributes.
  C. Each VPRN needs a separate VRF in each PE router.
  D. On the 7750 SR, by default, there is a unique one-to-one association between a VPN label and a VRF
  E. All of the above statements are true.
  F. All of the above statements are false.
  E. All of the above statements are true.

• Question 416:

  A default route for a client is also known as the:

  A. Default path
  B. Default gateway
  C. Gateway path
  D. Proxy ARP
  B. Default gateway

• Question 417:

  What is the significance of receiving a packet with the bottom MPLS label S bit set to 1?

  A. It results in forwarding based on the next packet header.
  B. It indicates that the label is the bottom of the MPLS label stack.
  C. It indicates that the label is the top of the MPLS label stack.
  D. Any LSR that receives an S bit set to 1 must discard the packet.
  B. It indicates that the label is the bottom of the MPLS label stack.

• Question 418:

  The SAP 1/1/1:2.3 receives an Ethernet frame with outer VLAN tag 5 and inner VLAN tag

  3. Which of the following is TRUE?

  A. The frame is dropped.
  B. The frame's outer tag is changed to match the SAP, and it is accepted.
  C. The frames outer tag is dropped, and the frame is accepted.
  D. The frame's tags are removed, and the frame is accepted.
  A. The frame is dropped.

• Question 419:

  Click on the exhibit.

  

  Which of the following would you expect to see in router R4's OSPF database?

  

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  C. Option C

• Question 420:

  Click on the exhibit.

  

  What is the possible reason that the label for prefix 192.10.1.2/32 is not active?

  A. The router does not have a route to reach to the peer 10.10.10.2/32.
  B. The router does not have a route to reach to the prefix 192.10.1.2/32.
  C. The router does not have an export policy defined to export the prefix 192.10.1.2/32 into LDP.
  D. The router receives an invalid label for the prefix 192.10.1.2/32 from its peer.
  B. The router does not have a route to reach to the prefix 192.10.1.2/32.