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Free 4A0-C04 Exam Braindumps
Nokia NRS II Composite Exam: OSPF version Questions 101–105 (page: 22)

Updated On: 9-Feb-2026
Page 22 of 61
PDF with 298 Questions

An OSPF adjacency is stuck in the exstart state. What is the most likely cause?

  1. The MTU does not match on both interfaces.
  2. OSPF is not enabled on one of the routers.
  3. The router ID is the same on both routers.
  4. An OSPF Hello has not been received from the neighbor.
  5. The interfaces are configured as point-to-point on one side and broadcast on the other.

Answer(s): A



Which one of the commands below will create a static route to network 2.3.4.0/24 on the AlcatelLucent 7750 SR router?

  1. Static route 2.3.4.0 255.255.255.0 next hop 3.4.5.6
  2. Static-route next-hop 3.4.5.6 2.3.4.0/24
  3. Static route 2.3.4.0/24 next hop 3.4.5.6
  4. Static-route 2.3.4.0/24 next-hop 3.4.5.6

Answer(s): D



What best describes the type of packets used by OSPF routers to exchange updates on a pointto-point link?

  1. IP packets sent to an IP multicast address.
  2. Ethernet frames sent to an Ethernet multicast address.
  3. IP packets sent to an IP unicast address.
  4. UDP packets sent to an IP multicast address.

Answer(s): A



An LSP is configured with one-to-one FRR and node protection on a Nokia 7750 SR.
Which of the following is FALSE?

  1. Each PLR signals a protection tunnel that avoids the downstream node.
  2. A single protection tunnel can protect all LSPs that go through the same hop.
  3. A link protection tunnel is signaled if a node protection tunnel cannot be established.
  4. Protection tunnels used in this LSP are also detour tunnels.

Answer(s): B



What happens by default on an Nokia 7750 SR when a null encapsulated SAP receives a frame with a VLAN tag?

  1. The original VLAN tag is removed.
  2. The original VLAN tag is kept.
  3. The VLAN tag is replaced by a provider tag.
  4. The VLAN tag is kept and a provider tag is added.

Answer(s): B



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