A Brief on the Different Methods of Connecting to the Internet

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Different Methods Of Connecting To The Internet
DSL/ADSL Broadband
Advantages:
* Wide variety of speeds and prices.
* Large choice of service providers
* Always on connection
* Can  use a telephone and Internet simultaneously

Disadvantages:
* Requires special termination equipment to be fitted by the telecom company at both ends of the telephone line, expensive and may cause trouble * Exposes computer to Internet so you need to install firewall software in case of viruses * Available only in limited areas 

* Speed vary widely, can be very slow
* Some providers have monthly download limits, may not be enough

Wireless Broadband
Advantages:
* Always on connection (when connected.)
* Requires you to be in a wireless hotspot.
* Does not support wireless roaming.
* Large choice of service providers
* Easy to access
* Cheap, sometimes free in various areas

Disadvantages:
* Available only in limited areas usually public areas like airports, train stations etc. * Speed varies depending on signal quality.
* Exposes computer to Internet so you need to install firewall software.

Cable Broadband
Advantages:
* Wide availability on cable networks
* Relatively Cheap

Disadvantages:
* Sharing with neighbours poses some unique security risks and congestion problems * Router required for more than one computer
* Primarily for home users, cannot be used in public

Mobile Broadband
Advantages:
* Wide availability
* Can be used when on the move

Disadvantages:
* Slow in comparison with ADSL
* Can be expensive

ISDN
Advantages:
* Let’s you talk and surf simultaneously.
* Fast
* Suitable for attaching more than 1 PC to the Internet without congestion

Disadvantages:
* Outdated being replaced by DSL
* Not practical for more than 6 computers
* Security danger
* difficult to setup
* Available only in limited areas
*...
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