The OSI Model NTC/360 Network & Telecommunications Concepts The OSI Model The Open Systems Interconnection Reference Model (OSI) is the accepted model that describes the how the communications for a computer network should be designed. OSI was developed as part of the Open Systems Interconnect Initiative. Basically‚ OSI divides the functions of a protocol in to seven layers. This makes the reasoning easy to follow and the system much more reliable. The implementation of several OSI layers
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Slow Network Analysis Paper NTC 406 July 14th‚ 2014 James Parks Slow Network Analysis Paper Increase in number of users: In 1993 there were 14 million users in 2014 there is almost three billion users. The network constituting of interconnected set of computers in a small‚ limited area such as office buildings‚ universities‚ homes etc. is said to be a Local Area Network (LAN). Performance of a LAN refers to the average speed of the network. There are many ways to measure the performance
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This work of IT 240 Latest Version Set 2 Week 5 DQ 1 contains: What is DNS? How do users benefit from it? Provide a brief description of the DNS process to resolve a URL to its IP address. Computer Science - General Computer Science NTC/362 Entire Course: University of Phoenix: New Updated Course Whether you take college courses online or on campus‚ you will do well to prepare yourself for the experience. The modern college student can be any age from 18 to 80 and may have
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Kirk Samuda University of Phoenix NTC/362 Week(1) Mr. Juan De la Matta Table showing important telecommunications evolution timeline Year Description Inventor Objective 1876 Invents Telephone Alexander Graham Bell Single Communication 1877 Telephone Switchboard was invented Alexander Graham Bell Multiple Communications‚ dependent on Operator 1891 Dial Telephone invented Almon Strowger Not dependent on Operator 1947 Transistor was invented
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Workplace Telecommunications 1 An Assessment of Workplace Telecommunications Kathi Frangquist NTC 360 William Roberts July 11‚ 2005 Workplace Telecommunications 2 The telecommunication system at XYZ Corporation meets the needs of its medium sized business. Their phone system consists of 1‚000 2400 series digital phones. These phones help to improve the efficiency and productivity of our organization and simplify the flow of information because of the enhanced features such
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NETWORKING UNIT3 LAB3.3 The TCP/IP Model Mr. Randy Vogl Gus Perez 19593003 The TCP/IP network model Exercise 3.3.1 What are the distinct differences between OSI and TCP/IP models? TCP refers to Transmission Control Protocol. OSI refers to Open Systems Interconnection. Model TCP/IP is developed on points toward a model the internet. TCP/IP has 4 layers. OSI has 7 layers. TCP/IP more reliable than OSI OSI has strict boundaries; TCP/IP does not have very strict boundaries. TCP/IP follow a horizontal approach
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TCP/ IP In information technology‚ a protocol is a special set of rules or instructions that end points in a telecommunication connection use when they communicate. In the context of data communication between two points‚ a network protocol can also be referred as a formal set of rules‚ conventions and data structure that governs over how computers and other network devices exchange information over a network. From that‚ we can understand that a protocol is a standard procedure and format that two
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UNIX UNIX Network Programming with TCP/IP Short Course Notes Alan Dix © 1996 Network Programming with TCP/IP UNIX Network Programming with TCP/IP UNIX Network Programming with TCP/IP UNIX UNIX Network Programming with TCP/IP Network Programming with TCP/IP http://www.hiraeth.com/alan/tutorials UNIX Network Programming with TCP/IP Course Outline Alan Dix http://www.hcibook.com/alan Session 1 Session 2 Session 3 Internet Basics First Code Standard Applications
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Multiple Choice Questions 1. Which of the following is true about a TCP/IP network? The network uses standards defined in TCP/IP RFC’s plus other standards. 2. Which of the following terms is not a common synonym for TCP/IP model? Ethernet / TCP/IP Mapping 3. Think generically about the idea of a networking standard‚ ignoring any particular standard or standards group. Which of the following is typically true of a standard? It exists as a written document / it has been passed through
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1. Which of the following is true about a TCP/IP network? a. The network uses only standards defined in TCP/IP RFCs. b. The network uses standards defined in TCP/IP RFCs‚ plus other standards. c. The IT personnel must choose to use TCP or IP. d. The network must use only LANs‚ but no WANs. 2. Which of the following terms is not a common synonym for TCP/IP model? (Choose two answers.) a. TCP/IP architecture b. TCP/IP c. Ethernet d. TCP/IP mapping 3. Think generically about the idea of a
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