Lecture Networking essentials plus (3 e) Chapter 7 Elements of network connectivity. The main contents of the chapter consist of the following Connectivity devices, connection services, modem technology, expanding a network using components, WAN Overview,...
Trang 3Digital Signals
Versus Analog Waves
Trang 4Modems: Digital to Analog
and Analog to Digital
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Trang 5Internal Modem
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Trang 6External Modem
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Trang 7Asynchronous Serial
Data Stream
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Trang 8Asynchronous Versus
Synchronous
8
Trang 9Ethernet Hubs
Connected in Series
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Trang 10Token-Ring Hubs
Connected in Ring
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Trang 11Repeaters Regenerate Signals
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Trang 12Repeaters Connect
Different Types of Media
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Trang 13Bridge Connecting
Two Networks
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Trang 14Routing Table Keeps
Track of Addresses
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Trang 15Routing Table Allows
Bridges to Segment Networks
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Trang 16Remote Bridges Used to
Connect Remote Sites
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Trang 17Routers Talk to Routers
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Trang 18Bridges: Data-Link Layer
Routers: Network Layer
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Trang 19Routers Use Multiple Paths
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Trang 20Gateways Strip Old Stack
and Add New Stack
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Trang 21Mainframe Gateway
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Trang 23RAS Allows Access to Network
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Trang 24Analog Line Connects
Computers Using Modems
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Trang 25Digital Data Service Line
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Trang 26Simple Packet-Switching
Network
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Trang 27X.25 Packet Switching
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Trang 28Examples of DTEs
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Trang 29Frame Relay Uses
Point-to-Point System
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Trang 30ATM Cell
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Trang 31ATM Switches Act
as Multiplexers
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Trang 32FDDI Uses
Dual-Ring Topology
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Trang 33Class A Computer: Both RingsClass B Computer: One Ring
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Trang 34FDDI Uses Beaconing
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