What is a zone?

A.
a set of rules that controls traffic from a specified source to a specified destination using a
specified service

B.
a collection of one or more network segments sharing identical security requirements

C.
a method of providing a secure connection across a network

D.
a tool to protect against DoS attacks

Explanation:
A zone is a collection of one or more network segments sharing identical security
requirements. To group network segments within a zone, you must assign logical interfaces
from the device to a zone.