Which statement best describes the use of WLANs for building-to-building connectivity?

• A. A wireless backhaul for data center servers only.
• B. A building-to-building bridge used to link corporate network segments.
• C. A consumer home network extension.
• D. An indoor-only access point for a single room

Answer: (B)

Building-to-building WLAN connections are used to create a bridge that links separate corporate sites over wireless links. This kind of setup acts as a backhaul between buildings, carrying traffic from one site to another so the enterprise can extend its network across multiple locations without running fiber or copper cabling. It typically uses outdoor, line-of-sight point-to-point or multipoint wireless links with rugged, weatherproof equipment and higher power than indoor Wi‑Fi, providing reliable, higher-capacity connections suitable for inter-site traffic, campus networks, and centralized services.

This approach is different from indoor, single-room access points that serve only local wireless clients, or from consumer-style home network extensions meant for a residence. It’s also distinct from a data-center-specific wireless backhaul, which is more about linking servers and storage within a single facility rather than linking separate buildings in an enterprise environment.