‏1. What is the definition of Network?
‏2. What are the advantages of Using a Network?
‏3. What are the differentdifferences between Local Area Network (LAN) and Wide Area Network?
4
. ‏What is network security?
5.
‏WhatWhat is a search engine? giveGive examples



‏1-A network consists of two or more computers that are linked in order to share resources (such as printers and CDs), exchange files, or allow electronic communications. The computers on a network may be linked through cables, telephone lines, radio waves, satellites, or infrared light beams.

‏2-‪ List of Advantages of Computer Networking‬
* ‪It enhances communication and availability of information. ...‬
* ‪It allows for more convenient resource sharing. ...‬
* ‪It makes file sharing easier. ...‬
* ‪It is highly flexible. ...‬
* ‪It is an inexpensive system. ...‬
* ‪It increases cost efficiency. ...‬
* ‪It boosts storage capacity.‬

‏3-‪ A Local Area Network (LAN) is a private computer network that connects computers in small physical areas. Example: A small office, A Singlesingle building, Multiplemultiple buildings inside a campus etc. Wide Area Networks (WAN) is type of computer network to connect offices which are located in different geographical locations‬

‏‪4- ‬Network protection is meant to protect the network - local or public networks - from intrusions or unauthorized access and may be from network users or external users, as network users have limited powers over them; and any infringement of a user outside of his powers is considered a penetration of the network

‏5- ‪A search engine is a web-based tool that enables users to locate information on the World Wide Web. Popular examples of search engines are Google, Yahoo!, and MSN Search. ... The information gathered by the spiders is used to create a searchable index of the Webweb.‬