What is hardware or software that guards a private network by analyzing incoming and outgoing information for the correct markings?
A) Firewall
B) Certificate authority
C) Online certificate
D) Digital certificate

Question

Quizplus · Accepted Answer

A firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies. At its most basic, a firewall is essentially the barrier that sits between a private internal network and the public Internet.

What Is Hardware or Software That Guards a Private Network