Which of the following devices can be used to merge traffic between two different network topologies?

A hub operates at Layer 1 and broadcasts all incoming traffic to every port; it cannot selectively forward traffic between different topologies.

A bridge reads MAC addresses to intelligently forward or filter frames between two network segments, allowing devices on different topologies (such as Ethernet and Token Ring) to communicate. This selective forwarding distinguishes it from a hub and enables cross-topology traffic merging.

A switch is a multi-port bridge that operates within the same topology and network type; it does not natively bridge different topology types.

An access point provides wireless network access and connects wireless clients to a wired LAN; it does not merge different network topologies.