FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A FIREWALL IN NETWORK SECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is NOT true?
A
Firewall can protect computer against viruses.
B
Firewall can stop hackers from accessing your computer.
C
Firewall determines which programs can access the Internet.
D
None of the above
Explanation: 

Detailed explanation-1: -Explanation. Firewalls cannot protect against PC Viruses Edit: This isn’t really accurate anymore. NGFWs protect against viruses.

Detailed explanation-2: -A firewall is a piece of software or hardware device used to keep computers secure when accessing the internet. Not only does a firewall block unwanted traffic, it also helps block malicious software and worms from infecting a computer.

Detailed explanation-3: -a) Viruses – most firewalls are not configured with up-to-date virus definitions, so a firewall alone will not protect you from virus threats. For this reason, each computer on your home network should have a current version of antivirus software.

Detailed explanation-4: -Firewalls primarily help protect against malicious traffic, not against malicious programs (i.e., malware), and may not protect you if you accidentally install or run malware on your computer.

Detailed explanation-5: -Firewalls are filters network traffic which follows a set of rules and can either be used as hardware or software device. They are often categorized as network or host-based firewalls. Network firewall filter traffic between two or more networks while host networks run on host computers.

There is 1 question to complete.