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Free Nokia 4A0-106 Exam Braindumps (page: 5)

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219 Questions & Answers
Page 5 of 54

What operation is performed by a P device on the label signaled by MP-BGP when it receives a labeled packet for a VPRN service?

  1. It will label switch the packet based on this label
  2. It will decrement the TTL and label switch the packet based on this label
  3. It will SWAP the label for a new label and then label switch the packet
  4. The P router does not perform any operation on this label

Answer(s): D



Which of the following statements is true? Choose the best answer.

  1. A P router may forward customer packets to their destination without the presence of a route to that destination
  2. The ingress PE router may forward customer packets to their destination without the presence of a route to that destination
  3. The egress PE router may forward customer packets to their destination without the presence of a route to that destination
  4. Any provider core router (P or PE) may forward customer packets to their destination without the presence of a route to that destination

Answer(s): A



Which protocol is used to exchange customer VPRN routes between PE devices?

  1. OSPF
  2. ISIS
  3. MP-BGP
  4. BGP
  5. Targeted LDP

Answer(s): C



In a VPRN, how does the service provider ensure that customer addresses are unique when multiple customers use the same address space?

  1. It is the customer responsibility to ensure their address space is unique
  2. The Route Distinguisher ensures that addresses are unique between customers.
  3. The Route Target ensures that addresses are unique between customers
  4. The provider will advise the customers to change their addresses
  5. The provider will use NAT to ensure that addresses are unique between customers

Answer(s): B






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