Day 4 Questions

What are Internet cookies?
A message given to a Web browser by a Web server. The browser stores the message in a text file.The message is then sent back to the server each time the browser requests a page from the server.
What are packets?
The form in which data is passed over a network. Essentially, packets are pieces of "an entire picture". A complete file, for example, is broken down into packets, sent to another machine, and then reassembled by that machine back into a complete file.

What route do packets take over the Internet?
They take a variety of routes. They go to another machine and then puts the machine back into a complete file.
What is a 404 error on the web?
The 404 or Not Found error message, as commonly encountered when using a web browser on the World Wide Web, is a manifestation of one of the standard response codes of the Web's principal communication protocol, HTTP.
What is 'e-commerce'?
E-commerce (electronic commerce or EC) is the buying and selling of goods and services on the Internet, especially the World Wide Web. In practice, this term and a newer term, e-business, are often used interchangeably. For online retail selling, the term e-tailing is sometimes used.

What is the difference between ebay and craigslist?
craigslist is a centralized network of online urban communities, featuring free classified advertisements (with employment, housing, personals, for sale/wanted, services, community, events, gigs and resumes categories) and forums sorted by various topics. Ebay is just a very productive site that you can buy and sell thing on.
What is SSL?
SSL is a application layer protocol created by Netscape for managing the security of message transmissions in a network. SSL uses the public-and-private key encryption system from RSA, which also includes the use of a digital certificate.

What are the two major ways for home users to connect to the Internet via a high speed connection?
They could switch their internet plan to Comcast or Fast Access DSL (Bellsouth).
What is a T-1 line?
A leased-line connection capable of carrying data at 1,544,000 bits per second, or 1.544 Mbps. Generally, a T-1 line will move a megabyte of data in under 10 seconds. That is still not fast enough for full-screen, full-motion video, for which you need at least 10,000,000 bits per second. T-1 is the fastest speed commonly used to connect networks to the Internet.