COMPUTER NETWORKING

Detailed explanation-1: -A web application (web app) is an application program that is stored on a remote server and delivered over the internet through a browser interface. Web services are web apps by definition and many, although not all, websites contain web apps.

Detailed explanation-2: -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.

Detailed explanation-3: -Server. A computer shared by multiple users across a network. It usually contains resources such as files, computer applications, or large databases. Router. A network device that controls and filters data between networks, either wired or wireless.

Detailed explanation-4: -A log file is a computer-generated data file that contains information about usage patterns, activities, and operations within an operating system, application, server or another device.