Which OSPF configuration enables all three locations to exchange routes?

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 creating branch office as a temporary measure. The new branch office is assigned area 2.

Which OSPF configuration enables all three locations to exchange routes?
A . The existing branch office must be configured as a stub area
B . A virtual link must be configured between the new branch office and HQ
C . A sham link must be configured between the new branch office and HQ
D . The new branch office must be configured as a stub area

Answer: B