A level Computer Networks - Data Communication and Network Security Quiz 2

These quizzes will give you a better understanding of computer networking and data communication and security, data communication is very important in networking as devices such as printers have to communicate through sending and retrieving information with their computer in order to actually print something. Also, the exchange of information by means of e-Mails and information sharing by using the Web or Internet are very important functions of data communication.

Data communication, therefore, is the transmission of this digital data between two or more computers in a computer network or in a data network like a telecommunications network that allows computers to exchange data. When data communication takes place, data is represented as an electromagnetic signal, such as an electrical voltage, radio wave, microwave, or even infrared signal. These signals are sent over a channel, such as copper wire and optical fibers.

You will find more quizzes on Networking and data communication along with network security. These quizzes are exam standards and will help anyone preparing for upcoming exams in computer science as this is a very good exam topic in computer science.