Which of the following is true about an OSPF area border router (ABR)?()

A . The ABR must have multiple interfaces connected to the backbone areA B . An ABR is a router with two interfaces, each connected to a different nonbackbone areA C . The only requirement to be considered an ABR is at least one interface connected to the backbone areA D . An ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA

时间:2022-09-06 22:38:49 所属题库:CCNP(642-902)题库

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