OCR LEVEL 3 CAMBRIDGE TECHNICAL CERTIFICATE/DIPLOMA IN IT COMPUTER NETWORKS R/601/7320 LEVEL 3 UNIT 7 GUIDED LEARNING HOURS: 60 UNIT CREDIT VALUE: 10 COMPUTER NETWORKS R/601/7320 LEVEL 3 UNIT 7 AIM OF THE UNIT This unit aims to give the learners an understanding of the key components‚ the network protocols and the services provided by network systems. Learners will develop skills required to ensure network security‚ gain an understanding to the functions of hardware and software
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wide area network that connects computer systems around the globe. I order to understand the internet one must look to the basic network. There are two types of networks. Peer to peer (P2P) and Client / provider networks. In a peer to peer network no node has more authority than another node. File sharing is possible on a P2P network but there may be multiple copies of a document at different revision states. It is for this reason that corporations and firms use Client provider networks at their
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INTRODUCTION In today’s modern world computer networks are the basic source of information exchange for all types of businesses. Different technologies are used within the context of networking depending on the requirements of an organization. Ethernet is off course the best technology for the “local area network” (LAN)‚ but when the organization spread their business to much longer distances (cities) then WAN technologies need to be deployed to keep the business running. The selection of an appropriate
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the Types of Networks LAN A LAN is referred to as a local area network which is a system that interconnects computers in the work place or home typically using a switched Ethernet to tie everything together. I think Kudler Fine Foods should use a LAN to connect each of its systems into the same network allowing the systems to communicate using packet switching. Each computer would be hard line meaning a direct connection using an Ethernet cable. WAN A WAN is a wide area network that allows
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1.1 – In my job role I have to communicate with many different groups and individuals on a day to day basis. Firstly‚ it’s the residents. Having good and efficient communication allows you to meet all of their care needs correctly. Also‚ you build up trust and confidence which is also very important. Depending on each individuals needs you will have to communicate in many different ways. This can be verbal‚ your body language‚ sign language‚ picture/flash cards‚ brail. Also for the resident to be
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Introduction Wireless network is indicated to a telecommunication network whose interconnections between nodes are implemented without the use of wires‚ such a computer network. Nowadays‚ wireless network has become the important thing in telecommunication. This sort of technology has been used for over a century and remains synonymous with radio. In 19th century‚ Guglielmo Marconi invented a radio and made his made his mark in the world of wireless technology. At that moment‚ Marconi was about
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UNIT 1 USE AND DEVELOP SYSTEMS THAT PROMOTE COMMUNICATION 1 1.1 There are many groups of people a Manager needs to communicate with in order to do the job effectively and efficiently. Staff need to be one of the first and most important groups. A Manager running a 24 hour service must recognise their staff are the promoters and advocates of the service in a Managers absence‚ next would be the service users themselves. Any service will have other health professionals attached‚ such as GP’s
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trends and patterns in the population‚ through texts‚ videos and other types of sources‚ is content analysis. Content Analysis (CA) is a widely used qualitative research approach to gather and analyse the content of text in a variety of disciplines‚ including history‚ journalism‚ political science‚ psychology and lately in computer science and information technology. As a traditional analysis technique‚ CA has been used for over a hundred years. This technique first appeared with the purpose
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CHAPTER TWO NETWORKING SYSTEMS AND LOCAL AREA NETWORKS (LAN) A network is a system of two or more computers that are connected in some manner. Each computer on the network has access to the files and peripheral equipment (such as printers or modems) on all the other computers on the network. The origin of local area networks can be traced‚ in part‚ to IBM terminal equipment introduced in 1974. At that time‚ IBM introduced a series of terminal devices designed for use in transaction-processing
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COMPUTER | NETWORK AND COMMUNICATION | | NOTES | | | | | INDEX (COMMUNICATION AND NETWORK CONCEPT) I.NETWORK II.EVALUATION OF NETWORKING 1.ARPANET III. SWITCHING TECHNIQUES 1. CIRCUIT 2. PACKET 3. MESSAGE IV.TRANSMISSION MEDIA: Two types of media GUIDED MEDIA 1.TWISTED PAIR CABLE
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