Câu 22: 300-420: Designing Cisco Enterprise Networks (ENSLD)

A company is using OSPF between its HQ location and a branch office. HQ is assigned area 0 and the branch office is assigned area 1. The company purchases a second branch office, but due to circuit delays to HQ, it decides to connect the new branch office to the existing branch office as a temporary measure. The new branch office is assigned to area 2. Which OSPF configuration enables all three locations to exchange routes?

1. A. The existing branch office must be configured as a stub area
2. B. A virtual link must be configured between the new branch office and HQ — đáp án hiện tại
3. C. A sham link must be configured between the new branch office and HQ
4. D. The new branch office must be configured as a stub area