FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A firewall can help protect your computer and data by managing your network traffic. It does this by blocking unsolicited and unwanted incoming network traffic. A firewall validates access by assessing this incoming traffic for anything malicious like hackers and malware that could infect your computer.

Detailed explanation-2: -You can simply set up the firewall and leave it to run checks in the background while you use your computer. The threat of hackers, malware, ransomware, viruses, and data theft is very real. Firewalls are one of the most effective ways to mitigate these attacks.

Detailed explanation-3: -A firewall is a software program or piece of hardware that blocks hackers from entering and using your computer. Hackers search the internet the way some telemarketers automatically dial random phone numbers. They send out pings (calls) to thousands of computers and wait for responses.

Detailed explanation-4: -Firewalls are network security systems that prevent unauthorized access to a network. It can be a hardware or software unit that filters the incoming and outgoing traffic within a private network, according to a set of rules to spot and prevent cyberattacks.