bal76825 appB B1 B12 1 Dissertation

Confirming Web pages

Networks and

Telecommunications

B

Introduction

Modify is everywhere in the information technology website, but nowhere is modify more apparent and more remarkable than the sphere of sites and telecommunications. Most supervision information devices today depend on digital sites to connect information by means of data, graphics, video, and voice. Businesses large and small from all over the world are applying networks as well as the Internet to find suppliers and buyers, to negotiate agreements with all of them, and to offer bigger, better, and faster services than previously. Telecommunication devices enable the transmission of data over community or personal networks. A network can be described as communications program created simply by linking two or more devices and establishing a standard methodology through which they can connect. The planet's largest and most widely used network is the Net. The Internet is actually a global " network of networks” that uses widespread standards for connecting millions of diverse networks around the globe. Telecommunication devices and systems are typically complicated and historically bad. However , businesses can benefit from today's network infrastructures that provide trustworthy global reach to employees and clients.

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bal76825_appB_B1-B12. indd 1

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Confirming Pages

LEARNING OUTCOMES

W. 1 . Compare LANs, WANs, and MANs.

B. 2 . List and describe the four elements that identify networks. B. 3. Evaluate the two types of network architectures.

N. 4. Explain topology and the different types present in networks. B. 5. Identify TCP/IP along with its primary purpose.

W. 6. Determine the different press types seen in networks.

Network Basics

Networks range from tiny two-computer networks to the biggest network coming from all, the Internet. A network delivers two principle benefits: the cabability to communicate as well as the ability to talk about.

Today's company digital sites include a combination of local area networks, wide place networks, and metropolitan region networks. A nearby area network (LAN) is built to connect several computers next to each other such as in an office building, a school, or a home. A LAN is advantageous for posting resources just like files, printers, games, or perhaps other applications. A LAN in turn typically connects to other LANs, and to the world wide web or large area systems. A wide region network (WAN) spans a sizable geographic area, such as a point out, province or country. WANs often connect multiple smaller sized networks, just like local area systems or city area sites. The planet's most well-liked WAN is definitely the Internet. A metropolitan area network (MAN) is a large computer network usually spanning a city. Figure B. you highlights three different types of networks, and Figure B. 2 shows each network type. Immediate data connection links among a company as well as suppliers or customers, or both, had been successfully accustomed to give the firm a strategic benefits. The SABRE airline booking system is a classic example of an organized management information system that depends upon communication provided by using a network. SABRE Airline Solutions pioneered technical advances intended for the industry in areas such as earnings management, prices, flight scheduling, cargo, flight operations, and crew organizing. In addition , not only did SABRE help create ecommerce pertaining to the travel around industry, the business holds claims to progressive alternatives that defined—and continue to revolutionize—the travel and transportation marketplace.

A network typically contains four points (besides the computers themselves): 1 . Protocol—a set of conversation rules to ensure that everyone addresses the same vocabulary.

2 . Network interface cards (NIC)—card that plugs into the back (or side) of your personal computers and let us them give and acquire messages from the other computers. a few. Cable—the medium to connect all the computers collectively. 4. Hub (switch or perhaps router)—hardware to execute traffic...



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