Free 4A0-103 Exam Braindumps
Nokia Multiprotocol Label Switching Questions 76–80 (page: 17)

Updated On: 9-Feb-2026

LDP is enabled on both ends of a point-to-point link, but the "show router Idp status" command indicates that LDP is operationally down. The Oper Down Reason field shows the message "systemIpDown." What might cause this condition?

  1. The LSP is in the administrative down state.
  2. The router's router ID overlaps another.
  3. The router's interfaces do not have LDP running.
  4. The router's system interface requires an IP address

Answer(s): D



Click on the exhibit button.


The policy on router R2 is applied as an LDP export policy. What FECs now appear in router R2's LIB?

  1. Local FECs, not including those in the 192.168.1.0/24 address space.
  2. Only system ID FECs may appear in the LI
  3. Any local FECs, except those with a 24 bit mask.
  4. Local FECs in the 192.168.1.0/24 address space

Answer(s): A



How does MPLS-TE overcome the issue of IP hyper-aggregation?

  1. By enabling the creation of LSPs across alternate links to balance the network traffic.
  2. By eliminating the requirement for core IP routing.
  3. By not allowing more than one LSP to use a particular path.
  4. By defining multiple LSPs across a network and implementing an IGP load balancing algorithm across them.

Answer(s): A



Click on the exhibit button below.


Consider the output shown; why is the label in bold font not in use?

  1. The router cannot do a SWAP of this label.
  2. The label does not match the egress label for the same FEC.
  3. The label is for a FEC for which the next-hop is the peer router
  4. The label was signaled in error.

Answer(s): C



Which of the following timers can be adjusted to reduce the time a router waits between attempts to re- establish an LSP after it has failed?

  1. Isp retry-timer
  2. Isp retry-limit
  3. mpls resignal-timer
  4. rsvp refresh-time
  5. router rsvp keep-multiplier

Answer(s): A



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