COMPUTER NETWORKING

NETWORK SECURITY

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the purpose of a firewall?
A
To remove viruses from a system
B
To provide a secure password access system
C
To intercept and possibly block packets of data
D
To prevent programs being installed on a network
Explanation: 

Detailed explanation-1: -A firewall ensures that only intended and nondestructive content from the internet passes through. Controlling and blocking access. Firewalls can be used for controlling and blocking access to certain websites and online services to prevent unauthorized use.

Detailed explanation-2: -Outbound firewall rules protect against outgoing traffic, such as requests to questionable or dangerous websites, VPN connections and email services, such as Post Office Protocol version 3, Internet Message Access Protocol and Simple Mail Transfer Protocol.

Detailed explanation-3: -The correct answer is For security. A Firewall is a network security device that monitors incoming and outgoing network traffic and permits or blocks data packets based on a set of security rules.

There is 1 question to complete.