Câu 79: 200-310: Designing for Cisco Internetwork Solutions

Which of the following best describes route summarization?

1. A. It increases the scalability of a network design by facilitating the coexistence of multiple routing protocols.
2. B. It protects the network from unnecessary vulnerabilities or downtime that might be caused by having a single point of failure.
3. C. It enables a router to advertise multiple contiguous subnets as a single, larger subnet. — đáp án hiện tại
4. D. It can be used in conjunction with redistribution to block route advertisements that could create routing loops.