INSY 3303 Exam 1 Ch 1-3 Scott Johnson UTA Questions and Answers 100% Pass

INSY 3303 Exam 1 Ch 1-3 Scott Johnson UTA Questions and Answers 100% Pass Why are networks so important? - Answer- - Modern orgs relay on the efficient transmission of data - Enables distributed systems, real-time communication, electronic commerce, social media, and the web Data Communications - Answer- is the movement of computer information from one point to another through electrical or optical transmission systems. ex: Fiber Optic Telecommunications - Answer- is the broader term and includes the transmission of voice and video (images and graphics) as well as data and usually implies longer distances. WWW - Answer- World Wide Web and a database on a set of servers that contains links Domain - Answer- A particular computer on the internet (ex: .com) - Top Level Domains: .edu, .mil, .uk, .de en (http://www.AA.com/en/) - Answer- Folder on domain for language main (http://www.AA.com/en/) - Answer- document (a web based doc we're trying to get) .html (http://www.AA.com/en/) - Answer- extension (program use to open it) - hypertext markup language Server (Components of a Network) - Answer- is a device that stores data or software that can be accessed by the client. ex: Web Server, Mail Server, and File Server Client (Components of a Network) - Answer- any computer that requests services from server or is a device to access network and receive data from server. ex: Desktops, Laptops, Tablets, and Cell Phones Circuit (Component of a Network) - Answer- connects all computers in a network wirelessly or wired (copper or fiber optic) OR is a pathway or connection between client and server ex: copper wire, fiber optic cable, and wireless How does a network work? - Answer- The client initiates a communication with the sever by sending a request to the server. once the server receives the request, it processes it, and responds with a response. The router makes this connection possible. Switch (Smart) - Answer- knows what computer on the network Hub (Dumb) - Answer- knows to deliver something and will send to all on network Router - Answer- allows you to connect to networks or components of networks the router enables computers on this network to communicate with computers on the same network or on other networks ex: The Internet File Server - Answer- stores data and software that can be used by computers on the network Web Server - Answer- stores documents and graphics that can be accessed from any Web browser such as Google Chrome. The web server can respond to requests from computers on this network or any computer on the internet. Mail Server - Answer- handles and delivers email over the network Local Area Network (LAN) (Type of Networks) - Answer- any wifi anywhere is a LAN; modem + router connected to ISP router = wireless LAN - computers located in the same general area - might contain a single floor or work area or single building - when LANs use wireless circuits they are called Wireless Local