MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -The correct answer is A system that prevents unauthorized access to a private network. A firewall is a system that prevents unauthorized access to a private network. It is a type of cybersecurity tool that is used to filter traffic on a network.

Detailed explanation-2: -A firewall is a layer of security between your home network and the Internet. Since a router is the main connection from a home network to the Internet, the firewall function is merged into this device.

Detailed explanation-3: -Among computer networks, a router is a networking device that forwards data packets. Packet switching, packet filtering, network communication, and path selection are all services offered by routers. On computer networks, a router receives and transmits data.

Detailed explanation-4: -A Firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization’s previously established security policies. At its most basic, a firewall is essentially the barrier that sits between a private internal network and the public Internet.