Câu 30: 4A0-C03: Nokia NRS II Composite: IS-IS version

A routing domain uses a link-state routing protocol. Which of the following would NOT be an advantage of dividing the entire routing domain into areas?

1. A. Detailed topology information is only shared among routers within the same area, thus reducing the complexity of the SPF calculation.
2. B. Route tables can be reduced by summarizing the IP prefixes advertised between areas.
3. C. Less-capable routers can be isolated from having to keep track of IP prefixes that are external to the local routing domain.
4. D. Fewer routers are required to handle the same amount of traffic, as compared to a single-area domain. — đáp án hiện tại