Cisco 200-105 Exam

Which statement describes the process ID that is used to run OSPF on a router?

  • A. It is globally significant and is used to represent the AS number.
  • B. It is locally significant and is used to identify an instance of the OSPF database.
  • C. It is globally significant and is used to identify OSPF stub areas.
  • D. It is locally significant and must be the same throughout an area.
Answer: Option B.
Explanation: 

The Process ID for OSPF on a router is only locally significant and you can use the same number on each router, or each router can have a different number -it just doesn’t matter. The numbers you can use are from 1 to 65,535. Don’t get this confused with area numbers, which can be from 0 to 4.2 billion.

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