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Technology Guide 4: Telecommunication and the Internet - PowerPoint PPT Presentation


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Technology Guide 4 Telecommunication & Internet Agenda Telecommunication terminology Communication media Network architecture concepts Enterprise networking Internet Telecommunication Terminology Telecommunication Data communication Components Hardware Media Software Protocols

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technology guide 4

Technology Guide 4

Telecommunication & Internet

agenda
Agenda
  • Telecommunication terminology
  • Communication media
  • Network architecture concepts
  • Enterprise networking
  • Internet
telecommunication terminology
Telecommunication Terminology
  • Telecommunication
  • Data communication
  • Components
    • Hardware
    • Media
    • Software
    • Protocols
    • Providers
telecommunication terminology4
Telecommunication Terminology
  • Signals
    • Analog: amplitude & frequency
    • Digital
  • Modem
  • Multiplexer
    • Frequency division, time division, statistical time division, wavelength division
  • Front-end process
  • Concentrator
agenda5
Agenda
  • Telecommunication terminology
  • Communication media
  • Network architecture concepts
  • Enterprise networking
  • Internet
communication media
Communication Media
  • Cable media
  • Wireless media
cable media
Cable media
  • Types
    • Twisted-pair wire
    • Coaxial cable
    • Fiber optics
  • Pros & Cons
wireless media
Wireless media
  • Types
    • Microwave
    • Satellite
      • Geostationary earth orbit (22,300)
      • Medium earth orbit (6,000)
      • Low earth orbit (400 – 1,000)
    • Radio
    • Infrared
  • Pros & cons
wireless media9
Wireless media
  • Applications
    • Cellular radio technology
    • Mobile computing
    • Personal communication system
    • Personal digital assistance
agenda10
Agenda
  • Telecommunication definition
  • Communication media
  • Network architecture concepts
  • Enterprise networking
  • Internet
network architecture concepts
Network Architecture Concepts
  • Transmission characteristics
  • Protocols
  • Open system interconnection (OSI)
  • Interface
  • Topology
  • Types
transmission characteristics
Transmission characteristics
  • Speed
    • Bits per second (bps)
    • Baud rate (Hertz)
  • Direction
    • Simplex
    • Half-duplex
    • Full-duplex
  • Mode
    • Asynchronous
    • Synchronous
  • Accuracy
    • Horizontal
    • Vertical
    • Cyclic redundancy checking
protocols
Protocols
  • Definition
    • Rules & procedures for transmission
  • Protocol types
    • Token passing
    • Carrier sense multiple access/collision detection
    • Transmission control protocol/internet protocol (TCP/IP)
open system interconnection osi
Open system interconnection (OSI)
  • Physical layer
  • Data link layer
  • Network layer
  • Transport layer
  • Session layer
  • Presentation layer
  • Application layer
interface
Interface
  • Transmission interfaces
    • Parallel data transfer
    • Serial data transfer
    • Universal asynchronous receiver/transmitter
  • Network interfaces
    • Interface card
    • Routers
    • Bridges
    • Gateways
topology
Topology
  • Ring
  • Bus
  • Star
  • Web
  • Hybrid
types
Types
  • LAN
    • Private branch exchange (PBX)
    • Centrex
  • MAN
  • WAN
  • VAN
    • Packet switching
    • Frame relay
    • Asynchronous transfer mode (ATM)
    • Integrated services digital network (ISDN)
    • Digital subscriber line (DSL)
    • Fiber distributed data interface
  • Virtual private network (VPN)
  • Backbone
agenda18
Agenda
  • Telecommunication terminology
  • Communication media
  • Network architecture concepts
  • Enterprise networking
  • Internet
enterprise networking types
Enterprise Networking - Types
  • Client/server
    • Distributed presentation
    • Remote presentation
    • Distributed logic
    • Remote data management
    • Distributed data management
  • Peer-to-peer
  • Intranet
  • Extranet
  • Internet
enterprise networking open systems goals
Enterprise NetworkingOpen Systems Goals
  • Connectivity
  • Portability
  • Interoperability
  • Scalability
  • Others?
agenda21
Agenda
  • Telecommunication terminology
  • Communication media
  • Network architecture concepts
  • Enterprise networking
  • Internet
internet
Internet
  • Internet kiosks
  • Protocols: TCP/IP
  • Telnet
  • Internet Service provider (ISP)
  • World wide web (Web)
  • Browser
  • Web site/web page
internet23
Internet
  • Search engines or metasearch engines
  • Uniform resource locator (URL)
  • Hypertext transfer protocol (http)
  • Usages
    • Research
    • E-mail
    • Chat program
    • Newsgroup
    • Electronic bulletin boards (EBBs)
    • E-commerce
points to remember
Points to Remember
  • Telecommunication terminology Communication media
  • Network architecture concepts
  • Enterprise networking
  • Internet
discussion questions
Discussion Questions
  • Why does an organization need a reliable network?
  • What are the general selection criteria for a network?
  • What kind networks are useful to an university such as CSUS?
  • What kind networks are needed by a company such as Intel?
assignment
Assignment
  • Review technology guides 1-2 & 4 and chapters 1-5
  • Read chapter 6
  • Group assignment
  • Research paper
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