The function of a router is to:

The function of a router is to:
A . Provide IP subnet masks for hosts.
B . Forward traffic to other networks.
C . Broadcast routing tables to clients.
D . Store tables for name resolution.

Answer: B

Explanation:

A router is a device that forwards data packets along networks. A router is connected to at least two networks, commonly two LANs or WANs or a LAN and its ISP’s network. Routers are located at gateways, the places where two or more networks connect.