Which software prevents the external access to a system ?

5/5 - (10 votes)

1. Which software prevents the external access to a system ?

a) Firewall

b) Gateway

c) Router

d) Virus checker

Ans:a) Firewall

Note-: 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.

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