COMPUTER FUNDAMENTALS

Detailed explanation-1: -A software firewall protects your computer against malicious network traffic. Antispyware and antivirus software packages are good, but they protect against malicious programs.

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 firewall is a security device-computer hardware or software-that can help protect your network by filtering traffic and blocking outsiders from gaining unauthorized access to the private data on your computer.

Detailed explanation-4: -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-5: -Firewall. One widely used strategy to improve system security is to use a firewall. A firewall consists of software and hardware set up between an internal computer network and the Internet.