1What is the differences between accessing the internet via

1)What is the differences between accessing the internet via a modem , DSL , a cable modem and satellite ? 2) Which of these access mechanisms are likel to become more important in the future?

Solution

Answer :

1)What is the differences between accessing the internet via a modem , DSL , a cable modem and satellite ? 2) Which of these access mechanisms are likel to become more important in the future?

Answer :

Modem:

1.Accessing the internet via modem it using telephone lines to access internet

2.Dial-modems come in two phsical forms.1.Internal 2.External

3.Internet dial-up modems are installed inside a computer and external dial up modems connected to computer by using USB port.

4.This is very low cost compared to other accesses.

5.It provides slow internet speed.

6.It having fastest theoretical speed is 56kbps.

DSL :

1.DSL means digital Subscriber Line.

2.It allows data and digital voice using telephone line.DSL is a broadband high-speed internet technology over ordinary telephone lines.

3.High Speed connection to the Internet.it Greater than 128 kbps to more than upto 52 mbps.

4.Distance -Sensitive technology.Simultaneous use of the phone line for voice as well as data.

5.It always on connection no need to dial-up.DSL is reasonableprice and getting cheap.

6.It exists SDSL and a rare DSL internet access,both having equal download and upload speed

Cable Modem :

1.Cable modems are devices that allows high speed internet access via a cable television network.

2.Uses the increased bandwidth of fibre or coaxial cable instead of ordinary phone line.

3.UPstream Data rate range between 384 kbps to greater than 20 mbps and Downstream data rate upto 100 mbps.

4.Subscriber can continue to receive cable television service simultaneously receiving data on cable modems to be delivered to a computer with the help of 1-2 splitter.

5.Compare to above to it is high cost.

Satellite :

1.Satellite internet is a wireless internet access through antenna,Dish.

2.It is responsible for providing these services to an assigned area on the earth.

3.Easy to regenerate and low error rates and high security.

4.To receive data signals through satellite that provides link between server and User.

5.One shared download holds bit rate upto 40mbps,it shares to no of users at a time.

6.Compared to above accesses it is high cost.

2) Which of these access mechanisms are likel to become more important in the future?

Answer :

Satellite internet access machanisms are like to become more important in the future because is ti wireless techonology and access no of users at a time with high speed internet with gaping.I also providing high security and privacy of accessing.It create new generation in internet accessing.