COMPUTER NETWORKING

Detailed explanation-1: -A firewall is a network security device that monitors incoming and outgoing network traffic and permits or blocks data packets based on a set of security rules.

Detailed explanation-2: -A firewall is a security device in the form of computer hardware or software. It can help protect your network by acting as an intermediary between your internal network and outside traffic. It monitors attempts to gain access to your operating system and blocks unwanted incoming traffic and unrecognized sources.

Detailed explanation-3: -Stateful Inspection Firewall Stateful inspection firewalls conduct an in-depth analysis of payloads and packets, giving users a more robust security lawyer. For these firewalls to work correctly, there must be a high degree of control over the content that’s let in and out of the network.

Detailed explanation-4: -Explanation: Firewalls examines each data packets that are entering or leaving the internal network which ultimately prevents unauthorized access.