What role does a default gateway perform in an IPv$4/$IPv$6$ environment?

Question $2$Answer

a$.$

It prevents local area network broadcasts from reaching other subnets.

b$.$

It is a router that allows traffic into and out of a network.

c$.$

It prevents multicasts from reaching other subnets.

d$.$

It is a router that performs domain name$-$to$-$IP address resolution.