http://computer.howstuffworks.com/high-speed.htm
Name: _______________________________________
2-36 How High-speed Dial-up Works
Important: If you have problem browsing How stuff works article (It seems the link you
click on isn’t working try Opening the link in a new tab or window.)
____________________________________________________________________________
As always, the connection speed of dial-up is limited by the bandwidth of ________________ _____________
Web content is getting ________and ________. More people are using broadband connections that can handle a
bigger load.
In a computer what is the name that converts dial up phone service (analog) to binary (digital) for your computer to
understand? _____________________________
What is the purpose of the handshake protocol?
ISPs can’t do anything about speeding up the hardware handshake but they can speed up the
_____________________ handshake.
How can ISP reduce software handshake by up to 50 percent?
Where do most bottlenecks of data on the Internet occur?
What is the purpose of an Acceleration server?
List 3 techniques used by Acceleration servers to speed up dial-up connections.
1.
2.
3.
What are the 2 types of file compression?
1.
2.
Which type of file compression is used on Photos? _________________________
Which type of file compression is used on Text? _________________________
True/False -File compression works on every type of file.
True/False –Encrypted files can be compressed.
True/False –MP3s and zip files can be compressed.
True/False –Pop-ups take up valuable bandwidth.
http://computer.howstuffworks.com/high-speed.htm
Name: _______________________________________
2-36 How High-speed Dial-up Works
Important: If you have problem browsing How stuff works article (It seems the link you
click on isn’t working try Opening the link in a new tab or window.)
____________________________________________________________________________
How can bandwidth be maintained and pop-up ads not take up bandwidth?
What is CACHING?
Why do Dial up ISPs recommend CACHING web pages?
Complete the table below with the results found on http://computer.howstuffworks.com/highspeed4.htm
With Dial-Up
Web Page
Original Load
time
With High Speed Dial-Up
Web Page
Amazon.com
Amazon.com
CNN.com
CNN.com
Ebay.com
Ebay.com
Google.com
Google.com
HowStuffWorks.com
HowStuffWorks.com
NetZero.com
NetZero.com
Yahoo.com
Yahoo.com
Original Load
time
Do you have internet connection at home?__________________________
What type of Internet connection do you have? _____________________________
Comments on your Internet connection: (Do you like it?)
Cached Load time