Nokia 4A0-C01 Online Practice Questions and Exam Preparation

Nokia 4A0-C01 Online Questions & Answers

• Question 251:

  Which of the following statements regarding RSVP-TE is FALSE?

  A. RSVP-TE operates in a downstream unsolicited label advertisement mode.
  B. RSVP-TE makes use of ordered control mode.
  C. RSVP-TE is an MPLS signaling protocol, based on the resource reservation protocol.
  D. RSVP-TE enables the establishment of explicitly routed LSPs that can be automatically routed away from network failures
  E. RSVP-TE supports explicitly routed LSPs using either loose or strict route definitions.
  A. RSVP-TE operates in a downstream unsolicited label advertisement mode.

• Question 252:

  Which part of the NSAP address is used to indicate to the end system that a packet is to be processed by the router itself?

  A. AFI
  B. IDI
  C. HO-DSP
  D. NSEL
  D. NSEL

• Question 253:

  What does a PE do when a frame is received in a VPLS service with an unknown destination address by default?

  A. Drop the frame.
  B. Flood the frame to all PEs participating in the service.
  C. Send a destination unreachable message back to the originating host.
  D. Store the frame until the destination is known
  B. Flood the frame to all PEs participating in the service.

• Question 254:

  Why might router R2 have a Link LDP session to R1 (10.10.10.1:0) but not to R3 (10.10.10.3:0)?

  

  A. MPLS is not configured on R2.
  B. R2 does not have a route to 10.10.10.3.
  C. LDP is not configured on R3's interface to R2.
  D. The targeted session is not configured on R2.
  C. LDP is not configured on R3's interface to R2.

• Question 255:

  Click on the exhibit.

  

  This policy is applied on a router as an LDP export policy and an LDP session has been established between this router and its neighboring router. In addition to the FECs learned from its neighbors, what additional FECs will appear in this router's LIB?

  A. All FECs that are in the 192.168.1.0/24 address space.
  B. Local FECs that are in the 192.168.1.0/24 address space.
  C. All FECs that are not in the 192.168.1.0/24 address space.
  D. All FECs except the local FECs that are in the 192.168.1.0/24 address space.
  B. Local FECs that are in the 192.168.1.0/24 address space.

• Question 256:

  Which of the following about transport and service tunnels is FALSE?

  A. Service tunnels are unidirectional.
  B. Transport tunnels are unidirectional.
  C. A service will use the same service label for every hop.
  D. A local service requires a transport tunnel.
  D. A local service requires a transport tunnel.

• Question 257:

  Which of the following about IS-IS Traffic Engineering on an Alcatel-Lucent 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 258:

  Which protocol is used to signal the inner label for a L2-VPN service?

  A. RSVP
  B. IPCP
  C. TLDP
  D. PPP
  E. Either RSVP or LDP
  F. M-BGP
  C. TLDP

• Question 259:

  When configuring RSVP-TE for transport tunnels, which command enables RSVP by default?

  A. configure router tunnel
  B. configure router gre
  C. configure router rsvp-te
  D. configure router transport-tunnel
  E. configure router mpls
  E. configure router mpls

• Question 260:

  Which of the following statements best describes an FDB used in a VPLS service?

  A. A VPLS service does not use an FDB.
  B. An FDB is maintained on the PE router to track MAC addresses learned from all traffic through the router.
  C. An FDB is maintained on the PE router to track MAC addresses learned from all VPLS services on the router.
  D. A separate FDB is maintained for each VPLS service to track MAC addresses learned from each service.
  E. For each VPLS service, two FDBs are maintained to track MAC addresses; one for unicast traffic and one for multicast and broadcast traffic.
  D. A separate FDB is maintained for each VPLS service to track MAC addresses learned from each service.