COMPUTER NETWORKING

Detailed explanation-1: -A firewall can be physical hardware, digital software, software as a service (SaaS) or a virtual private cloud. Firewalls are used in both personal and enterprise settings, and many devices, including Mac, Windows and Linux computers, come with a built-in firewall.

Detailed explanation-2: -At the most basic level, a hardware firewall is a physical unit, while software firewalls operate from inside your computer via an application.

Detailed explanation-3: -A hardware firewall is a physical appliance that is deployed to enforce a network boundary. All network links crossing this boundary pass through this firewall, which enables it to perform inspection of both inbound and outbound network traffic and enforce access controls and other security policies.

Detailed explanation-4: -A firewall is a software application or hardware device used to protect computers or networks against unauthorized access. Both hardware and software firewalls are valuable cybersecurity tools for businesses, but they serve different purposes.