LANs: Local Area Networks Local Area Networks also called LANs have been a major player in industrialization of computers. In the past 20 or so years the worlds industry has be invaded with new computer technology. It has made such an impact on the way we do business that it has become essential with an ever-growing need for improvement. LANs give an employer the ability to share information between computers with a simple relatively inexpensive system of network cards and software. It also
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IT 548 Telecommunications & Networking Local Area Networks Hood College Dept. of Computer Science Spring 2013 Layer 2: The Datalink Layer • • 2 Datalink layer provides a reliable communications link between devices. Breaks a data stream into chunks called frames‚ or cells. Three key functions: • error detection • error correction • flow control • • In LANs DL can be broken down into two sub-layers: • media access control (MAC) • logical link control (LLC). • flow and
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Essay 16 Local Area Networks Marshall D. Abrams and Harold J. Podell L ocal area n e t w ork (L AN) communicat io ns s ecurity is address ed in t his essay. LANs are introduc ed as providing: (1) a privat e communicat io ns facility‚ (2) s ervic es ov er a r elativ ely limit ed g e ographic area‚ (3) a high dat a rat e for comput er communicat io ns‚ and (4) common acc ess t o a wid e rang e of d evice s and s ervic es. S ecurity issu es p ert in e nt t o L ANs ar e discuss e d. For e
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Wireless Local Area Network Background The first wireless computer communication network ALOHAnet (operational in 1971) was developed by Norman Abramson‚ a professor at the University of Hawaii. At first‚ the wireless LAN was so costly that it was just used as an alternative to the places where the cabling was difficult or impossible. Recent developments included industry specific solutions and proprietary protocols‚ but were replaced by various versions of IEEE 802.11. In 2009‚ 802.11
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Advantages and disadvantages of networks I’ll start by saying that setting up a network is a serious job and should be done only by a person that is already familiar with the process of networking. The variety of options for setting up a home network can influence on a decision regarding the equipment needed to be purchase. Before deciding what hardware to buy you must first find out which type of network technology to use (by ’type of network technology ’ I mean the way computers connect to
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Norman Abramson‚ a professor at the University of Hawaii‚ developed the world’s first wireless computer communication network‚ ALOHAnet (operational in 1971)‚ using low-cost ham-like radios. The system included seven computers deployed over four islands to communicate with the central computer on the Oahu Island without using phone lines. Definition A wireless local area network (WLAN) links two or more devices using some wireless distribution method (typically spread-spectrum or OFDM radio)‚ and
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Social Network Sites: Advantages and Disadvantages I. Introduction a. Attention Getter: Imagine being stripped of your privileges to have access to social network sites such as facebook‚ twitter‚ myspace‚ and/or instagram…How would you reach out to family and friends you don’t get a chance to communicate with often? b. Name: Hello my name is Kenyatta Stephens c. Topic: Social Network Sites: Advantages and Disadvantages (SLIDE) d. Relevance: Social network sites are
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Involving local residents is a feature of the New Deal for Communities approach. Discuss the advantages and the challenges of involving local people in the running of community health projects. Under the New Deal for Communities initiative Thornhill plus you secured funding for renewal of the Thornhill area. The aims are to reduce social exclusion and improve people’s quality of life. I will discuss some of the advantages and challenges of involving local people in the running of community health
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SWETA RANI Contact No. Mo. No. +919369113133 Mo. No. +919208322804 E-Mail: Confident.lovy@gmail.com Personal Data: Date of Birth : 10th Jun 1987 Gender : Female Nationality : Indian Marital Status : Single Permanent Address: Sweta Rani D/O Mr. Ram Vilas Village- Usmanpur P.O.- Chunar Distt.- Mirzapur Uttar Pradesh. Correspondence Address: Sweta Rani D/O Mr. Ram Vilas 113/25‚ New Colony Naini‚ Allahabad. PIN- 211008. Uttar Pradesh. Languages Known:
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The local area network (LAN) is home to sheer bandwidth and countless client server applications. Different companies have radically different networks; some have a single PC and others have hundreds of locations and thousands of computers. This page is intended to explain the basic principles and components frequently found on the LAN. The internal network is usually built with the highest bandwidth available. It is then connected to a tiny internet connection which is almost always a bottle neck
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