Nokia 4A0-C01 Online Practice Questions and Exam Preparation

Nokia 4A0-C01 Online Questions & Answers

• Question 71:

  Which of the following about Type 10 opaque LSAs is TRUE?

  A. Type 10 opaque LSAs are supported by IS-IS.
  B. Type 10 opaque LSAs are flooded to all areas of the routing domain.
  C. Type 10 opaque LSAs are stored in an LSDB.
  D. Type 10 opaque LSAs are used for traffic engineering support.
  D. Type 10 opaque LSAs are used for traffic engineering support.

• Question 72:

  When a router receives an IP packet, but does not find a match in the routing table for the destination IP address, what actions are performed by the router?

  A. The packet is flooded out all router interfaces.
  B. The packet is dropped and an ICMP unreachable message is sent back to the source.
  C. The packet is silently discarded.
  D. The packet is flooded out all interfaces and an ICMP unreachable message is sent.
  B. The packet is dropped and an ICMP unreachable message is sent back to the source.

• Question 73:

  Which of the following about the label stack of a VPRN is FALSE?

  A. The service label is swapped for a transport label during transport.
  B. The transport label is used to forward packets between PEs.
  C. The service label is used to identify which VPRN a packet belongs to.
  D. Labels are initially added at the ingress PE.
  A. The service label is swapped for a transport label during transport.

• Question 74:

  Which of the following best describes a VPRN?

  A. Layer 3 direct Internet access service.
  B. Layer 2 point-to-point service.
  C. Layer 2 multipoint-to-multipoint service.
  D. Layer 3 IP multipoint-to-multipoint VPN service.
  D. Layer 3 IP multipoint-to-multipoint VPN service.

• Question 75:

  Which of the following best describes constraint-based routing?

  A. A mechanism that implements opaque LSAs.
  B. A mechanism that computes routes based on defined user requirements.
  C. A mechanism that allows the IGP shortest path to be used.
  D. A mechanism that allows RSVP or LDP signaling to use a route other than the IGP best route to establish a LSP.
  B. A mechanism that computes routes based on defined user requirements.

• Question 76:

  Refer to the exhibit below.

  

  R1 distributes its loopbacks into IS-IS and globally routed addresses are configured as shown. How many routes will R4 have in its IPv6 route table?

  A. 1
  B. 2
  C. 3
  D. 4
  E. 6
  F. 7
  C. 3

• Question 77:

  What is the minimum Ethernet physical network MTU required for a Layer 2 service on an MPLS encapsulated SDP with a service MTU of 1518?

  A. 1520
  B. 1540
  C. 1548
  D. 1556
  B. 1540

• Question 78:

  Click the exhibit.

  

  This PE is connected to an IPv4 core and is being configured to support 6VPE for a VPRN. Which of the following completes this section of the configuration?

  A. Family ipv4
  B. Family ipv6
  C. Family ipv4 ipv6
  D. Family vpn-ipv4
  E. Family vpn-ipv4 vpn-ipv6
  E. Family vpn-ipv4 vpn-ipv6

• Question 79:

  In a Layer 2 encapsulation using T-LDP, what does the first (top) label represent?

  A. Tunnel Label
  B. VC Label
  C. Operational Control Word
  D. UNI
  E. NNI
  A. Tunnel Label

• Question 80:

  Which of the following is NOT required to configure an Alcatel-Lucent 7750 SR as a PE router running 6PE?

  A. Configure BGP with the IPv6 address family.
  B. Configure BGP to add IPv6 Explicit Null labels.
  C. Configure a route policy to export IPv6 routes into BGP.
  D. Configure the nexthop core router as a BGP peer.
  D. Configure the nexthop core router as a BGP peer.