Câu 77: 300-510: Implementing Cisco Service Provider Advanced Routing Solutions (SPRI)

Which difference must an engineer consider when choosing whether to implement OSPF or IS-IS as the routing protocol on the network?

1. A. The OSPF DR election process is deterministic, and the IS-IS DS election process is not deterministic.
2. B. To support fast convergence, OSPF uses the LSA arrival timer and IS-IS uses the PRC-interval timer. — đáp án hiện tại
3. C. IS-IS supports ordinary, stub, totally-stub, and NSSA areas, but OSPF supports only stub areas.
4. D. IS-IS links are associated with either a Level 1 area or a Level 2 area at one time, but OSPF links are associated with multiple areas at one time.