"OSI model" Essays and Research Papers

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    nt1210

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    Roman Katoliko NT1210 CHAPTER 3: Building TCP/IP Networks Lab 3.1: Network Reference Models Ex 3.1.1 What would happen if wireless devices were not governed by the Wi-Fi Alliance and each vendor had its own standards and protocol? What impact would this have on your personal life or business communications? If each vendor had their own standards and protocols‚ we would have a harder time making devices that we use every day to inter-operate. Imagine buying specific BRAND of ROUTER for

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    Abstract The Open Systems Interconnect (OSI) model is a standard reference model for the communication between two end users. Seven different layers make up the OSI model: physical‚ data link‚ network‚ transport‚ session‚ presentation‚ and application. This paper will cover the type of security that is associated with each level of the OSI model. Physical Layer The physical layer is where the actual communication occurs between devices. The security of the physical layer pertains to the

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    Name: Date: ISSC340 Week 5 Assignment (3% of Grade) APUS/Sanford Lesson 5 Review: Networking Models‚ Traffic and Devices The purpose of this activity is to reinforce what you have learned so far about local area networks technologies. 1. Describe the three modes of communication available on a network. (Minimum word count: 60) Simplex - Data travels in only one direction‚ similar to a public address (PA) system Half-duplex - Data travels in two directions‚ but in only one

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    (15) cables‚ and five (5) ports for each device. 3. Match the following to one or more layers of the OSI (TCP/IP) model: a. Route determination – Network Layer. b. Flow Control – Data Link and Transport Layer. c. Interface to Transmission Media – Physical Layer. d. Provides access for the end user – Application layer. 4. Match the following to one or more layers of the OSI (TCP/IP) model: a. Reliable Process to process message – Transport Layer. b. Route Selection – Network Layer. c. Defines

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    NT 1210, Unit 3 Homework

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    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 networking standard‚ ignoring any particular standard or standards group. Which of the following is typically true of

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    nt1210 unit 1 lab1

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    NT1210 Introduction to Networking Unit 3 Assignment 1: Networking Models Review 1. Which of the following is true about a TCP/IP network? Answer: B. the network uses standards defined in TCP/IP RFCs‚ plus other standards 2. Which of the following terms is not a common synonym for TCP/IP model? (Choose two answers.) Answer: C. Ethernet D.TCP/IP 3. Think generically about the idea of a networking standard‚ ignoring any particular standard or standards group. Which of the following is typically

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    Center 3. A device that connects one network to another is called a Router 4. The most common method for illustrating the operations of a network stack is the ________ ‚ which consists of ________ layers. Open Systems Interconnection (OSI) Reference model and 7 layers 5. Protocols that do not guarantee deliver of their data‚ but do operate with a very low overhead that conserve network bandwidth are called Connectionless-Oriented Protocol 6. The Windows 7 command line utility that can

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    Data Link Layer

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    systems are based on the reference model OSI-RM (Open System Interconnection-Reference Model) Description of OSI-RM System: OSI-RM is an International Standard ISO that defines a set of rules worldwide valid for designing the communication protocols‚ with a view to facilitating the interconnection of the hardware and software devices‚ no matter their producer [1‚ 2]. The structure of this model is highlighted in figure 1. As this figure presents‚ this model allows the transfer of data flow among

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    the data-link header and trailer‚ and then passes the remaining data up to the network layer. Exercise 3.2.4 Because the upper layers of the OSI model are for getting the information ready to be viewed. By the time the information needs to go through the upper layers‚ it has already reached its destination. Review 3.2 1) ? 2) Even though the OSI model is not directly implemented in networking‚ it still endures because it is basically a good “rule of thumb” and it sets a sort of idea on how things

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    1. Who uses ATM/ Networks that support traditional high-throughput data traffic You might say to yourself that Asyncronous Transfer Mode sounds like a great technology‚ but who uses this thing? ATM is a technology that will enable carriers to capitalize on a number of revenue opportunities through multiple ATM classes of services; high-speed local-area network (LAN) interconnection; voice‚ video‚ and future multimedia applications in business markets in the short term; and in community and residential

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