Telecom Servcies

IT profits Presentation
UNB - Saint John Faculty of Business
Anu Gupta Presentation can be found online at: www.eclipseinnovations.com in the Knowledge Center
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UNBSJ Networks Presentation

staple of Basic Networks
& forge;E-mail & poop;Web Browsing •E-Commerce •Printing •Network Files •Network Applications
•MIS/GIS •Accounting •ERP

Network

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UNBSJ Networks Presentation

Media
♦Twisted braces ♦Coaxial Cable ♦Fiber Optics ♦Wireless

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UNBSJ Networks Presentation

LANs and WANs
LAN
(Local field of force Network)

WAN
(Wide Area Network)

LAN
(Local Area Network)

Network

Restricted to Building Campus
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Greater Than 100Km
UNBSJ Networks Presentation

Network Elements
backcloth waiter Switch Router Hub

Firewall

Bridge

Mainframe

Satellite

• Functions • Relative Costs •‘Lego Building Blocks’
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UNBSJ Networks Presentation

LAN Components
LAN
(Local Area Network)

WAN
(Wide Area Network)

LAN
(Local Area Network)

Hub
Network

Switch

Desktop PC

Server

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com

UNBSJ Networks Presentation

WAN Components
Satellite Hub Router
Network

Router

Switch

secluded Line Desktop PC LAN
(Saint John)
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Server WAN
(Wide Area Network)
UNBSJ Networks Presentation

LAN
(Fredericton)

LAN/WAN Protocols
token(prenominal) edge 802.5 4Mbps/16Mbps ATM Frame Relay X.25 ISDN Ethernet 802.3 10Mbps/100Mbps

Token Ring Router Hub
Network

Router

Ethernet Switch

Private Line Desktop PC LAN
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Server WAN
UNBSJ Networks Presentation

LAN

Intranet/Extranet/Internet
Corporate Intranet

Token Ring Hub
Network

www.yahoo.com

Ethernet Switch

Internet

Desktop PC LAN
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Firewall WAN LAN

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