Which of the following describe the process identifier that is used to run OSPF on a router (Choose two.)()。
- A、It is locally significant
- B、It is globally significant
- C、It is needed to identify a unique instance of an OSPF database
- D、It is an optional parameter required only if multiple OSPF processes are running on the router
- E、All routers in the same OSPF area must have the same process ID if they are to exchange routing information
正确答案:A,C
答案解析:有
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