FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

TYPES OF NETWORK SECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Firewall can be used
A
Block virus
B
Clean disk
C
Compress files
D
can be used to filter between trusted and untrusted networks and prevent programs from communicating through the use of ports
Explanation: 

Detailed explanation-1: -At its most basic, a firewall is essentially the barrier that sits between a private internal network and the public Internet. A firewall’s main purpose is to allow non-threatening traffic in and to keep dangerous traffic out.

Detailed explanation-2: -In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. A firewall typically establishes a barrier between a trusted network and an untrusted network, such as the Internet.

Detailed explanation-3: -A firewall is a digital security system that checks all incoming and outgoing traffic on a network according to a defined set of rules. A firewall keeps out unauthorized traffic and lets in only communications that are deemed safe, using a set of security rules that you or your network administrator set up.

Detailed explanation-4: -Firewalls will help protect you from various threats, such as malware and cyber-attacks, from coming into your network.

There is 1 question to complete.