Chapter 2

Question 1

How have the Internet evolved?

Answer 1

Started from a collection of mainframe computers located on a few U.S. college campuses to an interconnected network of thousands of networks and millions of computers worldwide

Question 2

What three phases have the Internet gone through?

Answer 2

1. Innovation 1961-1974
2. Institutional 1975-1995
3. Commercialization 1995-present

Question 3

Who developed the Web and how?

Answer 3

Dr. Tim Berners-Lee 1989-1991 who created a computer program that allowed formatted pages stores on the Internet to be linked using keywords (hyperlinks)

Question 4

How do the Internet and the Web make e-commerce possible?

Answer 4

It allows computer users to access products and service information to then complete purchases online

Question 5

What does the Web 2.0 contain?

Answer 5

Social networks, blogs, podcasts, wikis, music and video services

Question 6

What three forms can a computing cloud have?

Answer 6

1. Public - owned and maintained by large data centers such as IBM. Example is dropbox and google drive
2. Private - offers similar to public but only to a single tenant
3. Hybrid - where you use your own infrastructure for the most essential core activities and public clouds for less-critical systems

Question 7

What stands in the following URL?

http://www.megacorp.com/content/features/082602.html

Answer 7

• http = the protocol used to display Web pages
• www.megacorp.com = domain name
• content/features = the directory path that identifies where on the domain Web server the page is stored
• 082602.html = the document name and its formats (an HTML page)

Question 8

What is indexing?

Answer 8

Indexing is the process that creates a search index i.a. a database with all the words on all pages

Question 9

What is a crawler?

Answer 9

a search engine program which automatically follows hyperlinks to new pages, gathers all the facts and returns in order to create new indexe’s. This is what google is using to show new websites in the search engine results

Question 10

How does ranking work?

Answer 10

• Search results are ranked by relevance
• The more search terms found on a page the higher the ranking
• Ranked higher if the searched words are found together than if they are separated

Question 11

What is trusted feed?

Answer 11

Is when search engines are “okaying” content from trusted sources instead of waiting for the crawler to go out and explore new content. This is a way to get more content without having to wait for it, but it can only come from sources that have been trusted for.

Google is not using trusted feeds

Question 12

What are the three important Internet Key Technology concepts?

Answer 12

1. Packet Switching
2. TCP/IP communications protocol
3. Client/server computing

Question 13

What does programmatic advertising mean?

Answer 13

No human contact. Instead the computer is by use of algorithms finding the buyer and fulfilling the purchase