COMPUTER FUNDAMENTALS

Detailed explanation-1: -Explanation: Hardware firewalls are those firewalls that need to be connected as additional hardware between the device through which the internet is coming to the system and the network used for connecting to the internet.

Detailed explanation-2: -A firewall can exist as hardware or software (or both). A hardware firewall is a device that is connected to the network and filters the packets based on a set of rules. A software firewall runs on the operating system and intercepts packets as they arrive to a computer.

Detailed explanation-3: -Network-based firewalls guard entire networks and are often hardware. Host-based firewalls guard individual devices – known as hosts – and are often software.

Detailed explanation-4: -There are two types of firewalls based on what they protect: network-based and host-based. Network-based firewalls, which are frequently hardware, protect entire networks. Host-based firewalls, which are frequently software, protect individual devices known as hosts.

Detailed explanation-5: -Hardware-based firewalls. A hardware-based firewall is an appliance that acts as a secure gateway between devices inside the network perimeter and those outside it. Software-based firewalls. A software-based firewall, or host firewall, runs on a server or other device. Cloud/hosted firewalls.