The actual physical Computing device involved in a node

A computer network used for communication among computer and different information technological devices close to one person

What do firewalls protect?

a network that connects computers and devices in a limited geographical area such as a home, school, office building, or closely positioned group of buildings

The actual physical Computing device involved in a node

a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules.

a type of firewall that runs pseudo-applications which mimic the proper behavior of real application

a computer network that covers a large geographic area such as city, country or spans even intercontinental distances.

It is designed to prevent unauthorized outside users from accessing a network or workstation.

A set of communication channels that interconnects computing devices and enables them to exchange data electronically