If a client goes offline, the files are still available on another

Easy to synchronize versions of files or software

Easy to locate services

Easy to secure network from unauthorized access and from viruses

Application Language

Machine Language

Assembly Language

High-Level Language

Dedicated server

Multifunctional server

Main server

Shared server

fax machine

Hard drive

Scanner

CPU

Multifunctional Applications

Interactive Applications

Basic Applications

Specialized Applications

Application, Transport, Network, Data, Physical

Application, Presentation, Session, Transport, Network, Data, Physical

Application, Protocol, Local Network (LAN)

none of them

Manual configuration of networks

Elimination of cloud services

Software-based simulation of hardware

Physical duplication of hardware

Single-user and Multi-user

Single-tasking and Multi-tasking

both of them

none of them

application of scientific knowledge

application of scientific knowledge for practical purposes, especially in industry

collection of interconnected documents and other resources

global computer network

Application Language

Machine Language

Assembly Language

High-Level Language