Shape of a Network. Topology  The way the computers are  Four different  __.

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Shape of a Network.

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Presentation transcript:

Shape of a Network

Topology  The way the computers are __  Four different __  __

Four types  __

Bus Network  Simplest/__  __  Single cable – trunk  Computers are passive __  Any computer (node) can pass a __  Transmissions are __ to one computer at a time – one computer is the __  Other __ must wait until the line is free

Collision  __ runs into each other  CSMA/CD – carrier sense multiple accesses with collision __  Both nodes must back off and wait for __  Single bounce – caused ___ continues uninterrupted to the end of the bus and then keeps ___ and forth along the cable, keeping other nodes from using the line  Terminator – __

Disrupting Communication  Break in the __ –Physically separated –One end is __  All __ stops  Computers can still __ as stand- alone –Just can’t communicate or ___

Network Expansion  Cable in a bus ___ can be expanded in one of two ways: –Barrel connector – ___  Connectors weaken __  Continuous cable is __ –Repeater – __  Boosts __ it sends it on its way  Better than connector because ___ further and still be correctly received

Advantage/Disadvantage  Advantages –Easy to __ –Require less __ –__easy to add and remove  __ –Problems __to pinpoint –Breaks mean a ___ in entire network –____ slow network

Star Network  Like arms of ___  Stretches out in __  Hub – __  Hub __ in the network boosting signals as they pass  It can be a __ panel that simply relays transmission __

Advantages/Disadvantages  __ –Centralized __ and management –Expandable –Nodes __ –__ –Break in cable brings down __  Disadvantages –Requires __ –If __

Ring Network  Nodes __  Data __  Each __ : –The one that __ –The one to which __  The failure of one node __

Token Passing  A way to avoid __ and help data run smoothly  Computers __ of bits – tokens  A node has to wait __  Computer __ token to let other nodes know that a token is in use  Token __– 186,000 miles per second

Advantages/Disadvantages  Advantages –Each __ –Do __  Disadvantages –Problems __ –Break __

Mesh Network  Computer __

Advantages/Disadvantages  Advantages –Provides __ –If __ –Easy __  Disadvantages –Expensive __