What defines the nearest router for a host?

A.
subnet mask

B.
default gateway

C.
DNS server

D.
WINS server

Explanation:
Section Reference: Default Gateways and DNS Servers
The default gateway is the first IP address of thedevice that a client computer will look for when attempting to
gain access outside the local network. This device could be a router, server, or other similar device;it is the
device that grants access to the Internet or other networks.