H31-211: HCNA - Carrier IP
Free Practice Exam Questions (page: 13)
Updated On: 2-Jan-2026

When two routers synchronize their LSDBs, they use which packets to describe their own LSDBs?

  1. LSR
  2. DD
  3. LSU
  4. Hello

Answer(s): B



Which of the following OSPF versions is specific to the IPv6 technology?

  1. OSPFv2
  2. OSPFv3
  3. OSPFv4
  4. OSPFv1

Answer(s): B



OSPF runs over the IP protocol and the IP protocol No. used by which OSPF?

  1. 89
  2. 512
  3. 80
  4. 2328

Answer(s): A



Which of the following statements regarding OSPF area are incorrect? (Select multiple)

  1. Area ID must be assigned by IANA and we can not simply assign it.
  2. OSPF supports area division.
  3. Every OSPF area is identified by a 32-bit Area ID number.
  4. Without manual configuration, an OSPF area is a backbone area with area ID 0 by default.

Answer(s): C,D



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