OSPF supports multiple processes. Multiple different OSPF processes can run on the same router. They do not affect each other and are independent of each other. The routing interaction between…

Question

Options

• ATRUE
• BFALSE

• A
  18% (9)
• B
  82% (41)

Explanation

B is correct because while the first two claims are accurate (multiple OSPF processes can run independently on a single router with separate Link State Databases and SPF calculations), the final claim is false: routing interaction between different OSPF processes is not fully equivalent to routing interaction between different routing protocols. A critical distinction is administrative distance - two OSPF processes share the same AD (e.g., 110 on Cisco/Huawei), so there is no AD-based preference mechanism to resolve conflicts between them, whereas different routing protocols use differing ADs for route selection and loop prevention. Additionally, routes redistributed from one OSPF process into another remain OSPF external routes (Type-5 LSAs), preserving OSPF-specific attributes rather than undergoing the full protocol translation that occurs between truly different protocols.

Why A is wrong: The first half of the statement is factually correct (processes are independent), which makes A tempting, but the false equivalence in the final clause makes the overall statement false - a half-true statement is still false on an exam.

Memory tip: Think "same family, same rules" - two OSPF processes are like siblings sharing the same house (router) with the same last name (AD = 110). They need to pass notes (redistribution) to share info, but they're still not strangers from different families (truly different protocols), so the interaction isn't the same.

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