Nokia 4A0-C04 Online Practice Questions and Exam Preparation

Nokia 4A0-C04 Online Questions & Answers

• Question 21:

  To enable the LDP-over-RSVP feature, which of the following configurations is NOT required on an Nokia 7750 SR?

  A. Enable the Idp-over-rsvp feature on all PEs and ABRs along the LSP tunnel.
  B. Configure Link-LDP sessions between each PE-ABR and ABR-ABR pair.
  C. Configure RSVP-TE LSPs in each area between each PE-ABR and ABR-ABR pair.
  D. Configure T-LDP sessions with the tunneling option.
  B. Configure Link-LDP sessions between each PE-ABR and ABR-ABR pair.

• Question 22:

  An OSPF router receives an update in which the sequence number, age, and checksum are the same as the entry already in the topological database. What action is taken by the router?

  A. The link state information is not populated in the database but is forwarded to all neighbors
  B. The link state information already in the database is overwritten and the age is reset
  C. The link state information is not populated in the database and an acknowledgement is sent
  D. The link state information is regarded as old and nothing is done.
  C. The link state information is not populated in the database and an acknowledgement is sent

• Question 23:

  Click the exhibit.

  

  Based on this output from PE router R1, how many other PEs are participating in the VPRN?

  B. 1
  C. 2
  D. 3
  B. 1

• Question 24:

  On an Nokia 7750 SR, what is the recommended approach for making sure that MTUs between a VPLS and its spoke IES termination match?

  A. Set the service MTU of the VPLS to match the IES MTU.
  B. Set the ip-mtu of the IES to match the service MTU of the VPLS.
  C. Set the SDP MTU of the IES to match the SDP MTU of the VPLS.
  D. Set the MTU of the IES's network port to match the service MTU of the VPLS.
  B. Set the ip-mtu of the IES to match the service MTU of the VPLS.

• Question 25:

  Click on the exhibit.

  

  LSP 1's link between routers R3 and R6 has failed, and the RESV state at router R3 has timed out. Which of the following actions will router R3 initiate?

  A. Send a PathTear message towards router R6.
  B. Send a PathTear message towards router R1.
  C. Send a ResvTear message toward router R6.
  D. Send a ResvTear message toward router R1.
  D. Send a ResvTear message toward router R1.

• Question 26:

  Which of the following prefix lists include prefixes 192.168.128.0/17 and 192.168.64.0/18?

  A. Prefix list 192.168.0.0/16 through 18.
  B. Prefix 192.168.0.0/17 longer.
  C. Prefix list 192.168.0.0/17 through 18.
  D. Prefix 192.160.0.0/13 longer.
  A. Prefix list 192.168.0.0/16 through 18.

• Question 27:

  An operator configures an Nokia 7750 SR with a loopback interface and IPv6 address. The operator then configures a routing policy to redistribute the loopback prefix into OSPFv3. What type of LSA is used to advertise the route to other OSPFv3 routers in the same area?

  A. Router LSA
  B. AS External LSA
  C. Intra-Area Prefix LSA
  D. Inter-Area Prefix LSA
  E. Network LSA
  F. None of the statements are correct.
  B. AS External LSA

• Question 28:

  Click on the exhibit.

  

  An LDP-over-RSVP tunnel is established between PE-1 and PE-2. Which of the following is NOT required to protect the LDP-over-RSVP tunnel?

  A. PE-1 requires T-LDP sessions to both ABR-1 and ABR-2.
  B. PE-1 requires a full mesh of RSVP-TE LSPs to all routers in area 1.
  C. ABR-1 requires T-LDP sessions to all ABRs in area 0.
  D. PE-1 requires fast reroute enabled on all RSVP-TE LSPs.
  B. PE-1 requires a full mesh of RSVP-TE LSPs to all routers in area 1.

• Question 29:

  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 30:

  Click the exhibit.

  

  The output is from PE router R1 about VPRN service 100. From which protocol did router R1 learn the prefix 192.168.20.0/24?

  A. LDP
  B. BGP
  C. MP-BGP
  D. MPLS
  C. MP-BGP