4. The Medium Access Sub Layer Broadcast channels [or multi-access channels] are a category of networks and the key issue is how to determine who gets to use the channel when there is competition for it. The protocols which define these factors belong to a sub layer of data link layer called the MAC(medium access control)sub layer. ALOHA: Norman Abramson devised a new and elegant method to solve the channel allocation problem called the “ALOHA” system which used ground-based Radio broad
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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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CIS 175 Network Consultation Proposal for DesignIT Kordia Holmes Robert Cross CIS 175 12/18/2014 DesignIT is a graphic arts company that is expanding business and has recently purchased a new building 56’*36’ space for the purpose of housing two full time designers and a receptionist. The new building has four cubicles‚ one office‚ one server room‚ one reception desk‚ and a conference room. DesignIT has already relocated one Web Server (Microsoft IIS Server)‚ one File Server (Microsoft
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TYPES OF COMPUTER NETWORKS Maninder Kaur professormaninder@gmail.com What is Network? • 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. Different Types of Networks • Depending upon the geographical area covered by a network‚ it is classified as: – Local
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from user point of view in the context of local area network. 2. Explain the basic concepts of communications within Local Area Network with emphasis on access techniques and basic protocol. 3. Providing user services Assignment Overview: * This is an individual assignment * The student must produce a written report and must be submitted on the dateline * The student expected to present the assignment Question: You are a network engineer at a private office. You are required to
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UMUC’s new building in Adelphi‚ MD will have to provide networking connectivity to students‚ professors‚ and staff. In order to begin the process of planning the new network‚ we will begin by planning the network IP addressing scheme. It is very important that the network IP addressing scheme be clearly defined in order for IT administrators to locate computers promptly. Also‚ in order to make it easier for the administrators‚ DHCP (Dynamic Host Configuration Protocol) will be used to assign
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“Training Strategies for Small and Medium Sized Businesses: One Size Doesn’t Fit All.” Abstract The prerequisites for training vary in different businesses‚ with size being a significant factor. The smaller firms tend to conduct their training for their employees on a superficial level‚ having their entire focus on learning informal skills. Whereas in comparatively larger SMEs‚ there is a broader spectrum for the learning perspective. These companies want to obtain a more formal training with
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Street and is waiting for her clients to arrive. She is going to show them a three-bedroom house. The house has a large kitchen‚ lots of closets‚ and a large backyard. The price of the house is $375‚000‚ which is a good price for the area. Her clients will need to put twenty percent down. The seller has another family that is interested in the house‚ so Margaret needs to work fast if her clients want the house. Margaret has another appointment in half an hour‚ so she can only wait another
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STRESS AND FRUSTRATION AMONG SMALL SCALE BUSINESS OWNERS IN NIGERIA: CAUSES AND SOLUTIONS (A CASE STUDY OF APHA FURNITURE COMPANY‚ IKPOBA SLOPE BENIN CITY) CHAPTER ONE INTRODUCTION Background of the Study Before the arrived of the British Colonialists in Nigeria‚ there were numerous small scale industries and handicraft enterprises based on the available raw materials to meet local and regional demand. The Hausa‚ Yoruba and Bini people developed significant small-scale manufacture of goods
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ENGLISH AS MEDIUM OF INSTRUCTION IN THE NEW GLOBAL Asst.Prof.Chincholkar.B.B Dept.Of English. Rajarshi Shahu College‚ Parbhani Abstract The English language is continuing to establish itself as a global lingua franca in a period of unprecedented globalisation. In the last decade educational systems worldwide have shown interest in the adoption of English as a medium of instruction. This paper argues that failure to achieve satisfactory educational outcomes when teaching through English are commonplace
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