A level Computer Networks - Data Communication and Network Security Quizzes

Revising A level computer network on data communication and network security with quizzes along side with other subtopics like network architecture, network topology, network protocols etc

(Simple and fascinating quizzes on computer networks for students doing A level, necta, GCE, GCSE)

A computer network is an interconnection of computers and other devices through communication mediums for the purpose and sharing resources. In general, networking is the interconnection of objects for a particular purpose. Technology nowadays have evolved so much because of the revolution of computer networks. Networking is a branch in the subjects of computer science and information $ communication technology. 

Computer networks are the main backbone behind the successful running of many applications and services such as;

• World wide web
• The use of printers, fax machines, digital video, and instant messaging applications.

Computer networks make use of communication protocols which are a set of rules and regulations that govern the exchange of resources on a network. Examples of protocols include:

• HTTP: hypertext transfer protocol
• POP: post office protocol
• FTP: file transfer protocol
• DHCP: dynamic host configuration protocol 
• etc

These protocols have their specific uses and roles.

Data communication: As the name implies, it is the exchange of data between a sender and a receiver through communication media like cables, fiber optics etc

Network security: Simply refers to practices, policies, rules, and regulations adopted to prevent and monitor unauthorized access, misuse and modification from intruders in a network or threats such as hackers, malware, 

Students are tested in this topic through multiple choice questions and essay questions. This platform provides fascinating quizzes for students to test their knowledge in computer networks, network security and data communication and properly prepare for A level, GCE, GCSE and necta exams.

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