Monday, April 12, 2010

Setting Up a Network

Assignment 1




LAN:

Full Name - Local Area Network
What is it - a network confined to a small area. generally limited to a home or an area.
Examples - laptop, gaming device, PC, etc.


WAN:

Full Name - Wide Area Network
What is it - a network that has a wider span than a local area network
Examples - Corporations, governments, school districts, etc.




Assignment 2


1.)



a.)Unshielded Twisted Pair (UTP) Cable




Maximum length: 100 Metres











b.) Coaxial Cable
http://www.miratecinc.com/Miratec%20Images%20Reduced%20Size/5ft.%20coaxial%20cable.jpg



Maximum length: 1000ft for standard broadcast & 300ft for HD







c.) Fiber Optic Cable



http://www.santancom.com/fiber-optic-cable.gif



Maximum Length: approx. 2000 metres








2.)



  • Router: a router is a networking device whose software and hardware are specially customized to forward information.

  • Bridge: a device that filters data traffic at a network boundary

  • Switch: used in a wired network to connect Ethernet cables from a number od devices together


3.)


PEER to PEER


How does it work? any distributed network architecture composed of participants that make a portion of their resources


Advantages:there is no single point of failure in the system


Disadvantages: as more clients join the system, less resources are available to serve each client



Client/Server


How does it work? a distributed application architecture that partitions tasks or work loads between service providers (servers) and service requesters, called clients.


Advantages: All data is stored on the servers, which generally have far greater security controls than most clients

Disadvantages: Cost; if server is down, can't access; if a critical server fail, clients’ requests cannot be fulfilled

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