The Elements of Communication Communication begins with a message‚ or information‚ that must be sent from one individual or device to another. People exchange ideas using many different communication methods. All of these methods have three elements in common. The first of these elements is the message source‚ or sender. Message sources are people‚ or electronic devices‚ that need to send a message to other individuals or devices. The second element of communication is the destination‚ or receiver
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OSI MODEL Virtually all networks in use today are based in some fashion on the Open Systems Interconnection (OSI) standard. OSI was developed in 1984 by the International Organization for Standardization (ISO)‚ a global federation of national standards organizations representing approximately 130 Countries. The ISO created the OSI to make the IOS more efficient. Where‚ ISO stands for International Organization for Standardization. OSI stands for Open System Interconnection. IOS stands for
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1. Depict a network topology graphical model of the initial environment of 10 employees. [pic] 2. Depict a network topology graphical model of the current 100 employees. [pic] 3. Depict a network topology graphical model for future growth to 200 employees. [pic] 4. Create a two-paragraph executive summary The business IT network infrastructure must be upgraded to accommodate the current and future growth of the company. The initial company network infrastructure
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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. 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 direction at a time‚ similar to a walkie-talkie. Traditional shared Ethernet uses half-duplex transmissions.
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FACULTY OF MEDIA‚ INFORMATION & COMMUNICATION TECHNOLOGY HIGHER CERTIFICATE IN INFORMATION TECHNOLOGY NETWORK ENGINEERING 511 1ST SEMESTER ASSIGNMENT Name & Surname: ____________________________________________ ICAS No: _________________ Qualification: ______________________ Semester: _____ Module Name: __________________________ Date Submitted: ___________ ASSESSMENT CRITERIA MARK ALLOCATION EXAMINER MARKS MODERATOR MARKS QUESTION 1 INTRODUCTION Outlines the subject
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Identifying challenges and issues that are part of telecom industry Speak telecom “language” within the industry Content: Topics Overview of Computer Network Network as resource LAN MAN and WAN Network Reference Model OSI Model Protocol hierarchy‚ interface and Services TCP/IP Reference Model Data Communication Techniques of data communication Tools and devices of data communication High speed data access Network Architecture and Protocols Protocols in LAN Connection oriented vs. Connection less Data
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and routes data at the data link layer (layer 2) of the OSI model. Switches that additionally process data at the network layer (layer 3) and above are often called layer-3 switches or multilayer switches. Router Routers are small physical devices that join multiple networks together. Technically‚ a router is a Layer 3 gateway device‚ meaning that it connects two or more networks and that the router operates at the network layer of the OSI model. Wireless device A wireless network device can be best
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Introduction Kudler Fine is evaluating their current network and creating a logical design document that will show what needs to be done to upgrade or install a new network system to meet the goals set out to achieve. The list of goals presented by Kudler management is as follows:  Faster Checkout Response  Collect Customer Data  Track Customer Data and Purchases  Ensure the security of their customers personal data Review of Current Network The current network is
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Proposal In Data Communication Submitted By: Roel Angelo D. Sobrevilla Mark Anthony V. Baccay Submitted to: Mr. Jonathan Pagurayan Acknowledgement We would like to thanks to Sir Jonathan Pagurayan to have an opportunity to do a proposal in Computer Shop Business in Data Communication. Hope that you understand the work of our group. Introduction The computer shop business nowadays is in demand in all part of our country today because of the modernization of our society. Every time you need
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CCNA Study Notes S.J. Iveson www.routerzone.com Preface This document is only relevant: • • • Up to version 12.05 of the Cisco IOS. To the CCNA v1.0 track. To the material taught on the ICRC course. You should not try to use this document as a cheat to be memorised or learnt by rote in order to pass the BSCN exam without attending a course or having any practical experience. This is generally not possible with Cisco exams anyway‚ due to their structure and depth. This guide
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