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A computer network is a set of equipemet and sofware connected to each other by means of physical devices data , with the purpose of sharing information , resources and offering services.

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The client is an application or divice that acsses the services of another computer know as a server,usually through a computer network.

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Servers provide services to others connected computers such as selling goods online or providig them with weather information. A servers responds to client reserverts

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An IP address Is a number that identifies a divice no Aa network IP fot internet protocol.with is a set of rules that divices use To comunícate with each other.It similar in a home address.

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A DNS is like phone book for computer.The DNS looks up URLS and fines their IP address .For example,of tbox planet’s IP address is 216.58.219.164 people arrive at this site by entering www.tboxplanet.com and Not IP address.

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ARPANET was a computer network created on behalf of the United States Department of Defense use a means of communication between universities. ARPANET is considered to be network that gave rise to the Internet.