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Free 4A0-101 Exam Braindumps
4A0-101 Alcatel-Lucent Interior Routing Protocols and High Availability Questions 26–28 (page: 15)

Updated On: 9-Feb-2026
Page 15 of 37
PDF with 315 Questions

What is the protocol number for OSPF in the IP header?

  1. OSPF uses TCP, so the protocol number is 6.
  2. OSPF uses UDP, so the protocol number is 17.
  3. OSPF does not use IP.
  4. OSPF has its own protocol number of 89.

Answer(s): D



What is the value of the protocol discriminator used to denote IS-IS protocol information?

  1. 89
  2. 87
  3. 85
  4. 83

Answer(s): D



What types of routers can an IS-IS L1 router form adjacencies with? Pick all that apply.

  1. L1 routers in the same area
  2. L1 routers in other areas
  3. L2 routers in the same area
  4. L2 routers in other areas
  5. L1/L2 router in the same area
  6. L1/L2 routers in other areas

Answer(s): A,E



Click the exhibit button.

  1. Option A
  2. Option B
  3. Option C
  4. Option D

Answer(s): C



What value should the AFI be set to for locally administered addressing?

  1. 1
  2. 49
  3. 83
  4. 0

Answer(s): B



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