Table of Contents Introduction 2-4 Reasons 4-5 Advantages 5 Disadvantages 5 Summary 6 Reference 7 Introduction The Ethernet is a system used in the connection between a number of computers to form a Local Area Network(LAN), which consist of the physical and data link layer. During the 1980s, one of the first widely deployed Ethernet supported a theoretical data rate of 10Megabit per second(Mbps). Over the years through the
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extremely complex subject. OSI LAYER 1: THE PHYSICAL LAYER The first and foundational layer of a network is the Physical Layer. The Physical Layer is literally what it's name implies: the physical infrastructure of a network. This includes the cabling or other transmission medium and the network interface hardware placed inside of computers and other devices which enable them to connect to the transmission medium. The purpose of the Physical Layer is to take binary1 information from higher layers
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A NPSTC Public Safety Communications Report The National Public Safety Telecommunications Council is a federation of organizations whose mission is to improve public safety communications and interoperability through collaborative leadership. Defining Public Safety Grade Systems and Facilities Final Report 5/22/2014 Support to NPSTC provided by the U.S. Department of Homeland Security's Science and Technology Directorate, Office for Interoperability and Compatibility (OIC), and the National
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Plan Information 3 3 Contingency Plan Overview 4 3.1 Applicable Provisions and Directives 4 3.2 Objectives 4 3.3 Organization 5 3.4 Contingency Phases 8 3.4.1 Response Phase 8 3.4.2 Resumption Phase 8 3.4.3 Recovery Phase 8 3.4.4 Restoration Phase 9 3.5 Assumptions 9 3.6 Critical Success Factors and Issues 9 3.7 Mission Critical Systems/Applications/Services 10 3.8 Threats 10 3.8.1 Probable Threats 11 4 System Description 12 4.1 Physical Environment
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Plan Information 3 3 Contingency Plan Overview 4 3.1 Applicable Provisions and Directives 4 3.2 Objectives 4 3.3 Organization 5 3.4 Contingency Phases 8 3.4.1 Response Phase 8 3.4.2 Resumption Phase 8 3.4.3 Recovery Phase 8 3.4.4 Restoration Phase 9 3.5 Assumptions 9 3.6 Critical Success Factors and Issues 9 3.7 Mission Critical Systems/Applications/Services 10 3.8 Threats 10 3.8.1 Probable Threats 11 4 System Description 12 4.1 Physical Environment
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■ ■ Key Terms This chapter uses the following key terms. You can find the definitions in the Glossary: Internet page 4 page 4 parallel port serial port page 10 page 10 enterprise network Internet service provider (ISP) page 6 personal computers (PCs) page 7 page 8 mouse port page 10 keyboard port page 10 Universal Serial Bus (USB) port expansion slots page 10 page 11 page 10 central processing unit (CPU) random-access memory (RAM) page 9 disk drive page 9 hard disk page 9
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NNTP · SIP · SSI · DNS · FTP · Gopher · HTTP · NFS · NTP · SMPP · SMTP ·DHCP · SNMP · Telnet · Netconf ·(more) | 6. Presentation Layer | MIME · XDR · TLS · SSL | 5. Session Layer | Named Pipes · NetBIOS · SAP · L2TP ·PPTP | 4. Transport Layer | TCP · UDP · SCTP · DCCP · SPX | 3. Network Layer | IP (IPv4, IPv6) · ICMP · IPsec · IGMP ·IPX · AppleTalk | 2. Data Link Layer | ATM · SDLC · HDLC · ARP · CSLIP ·SLIP · PLIP · IEEE 802.3 · Frame Relay · ITU-T G
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CURRICULUM VITAE CURRENT EMPLOYMENT Name of company : EOH (Pty) Ltd Position : Senior Performance Consultant & Test Lead Period : 01/09/09 to Date Location : Bedfordview Work Description Performance testing activities. Develop Automation / performance testing / scripting standards and procedures. Develop automated Mercury tools (Loadrunner, QTP) scripts. Define performance test objectives. Develop and enhance test data staging/back-up/restore strategy. Analyze and report
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PROCUREMENT Competitive Bidding ICTO-DOST Standards Development SECTION 4 GUIDELINES ON CONTRACT IMPLEMENTATION FOR ICT PROCUREMENT OF GOODS Dispute Resolution ANNEX A: Definition of Terms ANNEX B: Process Flow for Goods and Infrastructure ANNEX C1: Process Flow Quality Based Evaluation ANNEX C2: Process Flow Quality Cost Based Evaluation ANNEX D: Sample Technical Specification Checklist ANNEX E: Sample Bid Evaluation Template 1 2 3 3 4 4 5 7 10 11 11 11 13 13 14 14 14 17 17 18 18 18 19 SECTION 1 INTRODUCTION
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useful format. A computer can process data, pictures, sound and graphics. They can solve highly complicated problems quickly and accurately. Block Diagram Input Unit: Computers need to receive data and instruction in order to solve any problem. Therefore we need to input the data and instructions into the computers. The input unit consists of one or more input devices. Keyboard is the one of the most commonly used input device. Other commonly used input devices are the mouse, floppy disk drive
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