Thursday, May 17, 2007

Midterm Question

1.What are Internet cookies?
HTTP cookies sometimes known as web cookies or just cookies are parcels of text sent by a server to web browser.
2.What are packets?
A packet is the fundamental unit of information carriage in all modern computer networks that use packet switching.
3.What route do packets take over the Internet?
Traceroute prints the route packets take across a TCP/IP. The names (or IP numbers if names are not available) of the machines which are routing packets from the machine traceroute is running on to the destination machine are printed, along with the time is took to receive a packet acknowledgement from that machine. This tool can be very helpfull in diagnosing networking problems. (from rpm description)
4.What is a 404 error on the web?
The HTTP error message returned to the browers by the web sever
5.What is 'e-commerce'?
6.What is the difference between ebay and craigslist?
eBay is a global phenomenon -- the world's largest garage sale, online shopping center, car dealer and auction site with 147 million registered users in 30 countries as of March 2005.
Craigslist represents the low hanging fruit for Google
7.What is SSL?
its successor, are cryptographic protocols which provide secure communications on the Internet. There are slight differences between SSL 3.0 and TLS 1.0, but the protocol remains substantially the same. The term ...
8.What are the two major ways for home users to connect to the Internet via a high speed connection?
This document gives home users an overview of the security risks and countermeasures associated with Internet connectivity, especially in the context of “always-on” or broadband access services (such as cable modems and DSL). However, much of the content is also relevant to traditional dial-up users (users who connect to the Internet using a modem).
9.What is a T-1 line?
A T-1 line is a high speed digital connection capable of transmitting data at a rate of approximately 1.544 million bits per second.

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