Chapter 7: Internet, Intranet, Extranet

Question 1

Internet

Answer 1

• A worldwide collection of millions of computers and networks of all sizes
• Network of networks
• Started in 1969 as a project by the U.S. Department of Defense called Advanced Research Projects Agency Network (ARPANET)
• Anyone can access it

Question 2

Internet backbone

Answer 2

• Foundation network linked with fiber-optic cables that can support high bandwidth
• Made up of many interconnected government academic, commercial, and other high-capacity data routers

Question 3

Hypermedia

Answer 3

Documents include embedded references to audio, text, images, video, and other documents
- Hypertext: Embedded references in hypermedia documents, links

Question 4

Domain Name System (DNS)

Answer 4

Protocol that converts domain names into IP addresses when information is transferred from one network to another
- Domain Name: Unique identifiers of computer or network addresses on the Internet

Question 5

Uniform resource locators (URLs)

Answer 5

• Identify a web page

- URL is the address of a document or site on the internet

Question 6

Navigational tools

Answer 6

Used to travel from Web site to Web site

- Surf the internet

Question 7

Search engines

Answer 7

Information systems that enable users to retrieve data from the Web by using search terms
- Ex: Google

Question 8

Directories

Answer 8

Indexes of information based on keywords embedded in documents, which allows search engines to find what you are looking for

Question 9

Hypertext Markup language (HTML)

Answer 9

The language used to create web pages

- Defines page’s layout and appearance

Question 10

Newsgroups

Answer 10

• More general in nature and can cover any topic

- They allow people to get together for fun or for business purposes

Question 11

Discussion groups

Answer 11

• Formed to exchange opinions and ideas on a specific topic

- Group members post messages or articles that others in the group can read

Question 12

Internet Relay Chat (IRC)

Answer 12

Enables users in chat rooms to exchange text messages with people in other locations in real time

Question 13

Instant messaging (IM)

Answer 13

Service for communicating with others via a private chat room on the Internet

Question 14

Internet Telephony

Answer 14

Using the Internet (rather than the telephone network) to exchange spoken conversations

Question 15

Voice over Internet Protocol (VoIP)

Answer 15

The protocol (rules) used for internet telephony

Question 16

Intranet

Answer 16

A network within an organization that uses internet protocols and technologies for collecting, storing, and disseminating useful information that supports business activities
- Only approved users can use it, faster and more secure than internet

Question 17

Extranet

Answer 17

Secure networks that use the internet and web technologies to connect intranets of business partners so that communication between organizations or consumers is possible
- Like intranet, has private access and confidential information

Question 18

Web 2.0

Answer 18

The trend toward Web applications that are more interactive than traditional Web applications
- Focuses on social networking and electronic collaboration (e-collaboration)

Question 19

Web 3.0 (Semantic Web)

Answer 19

Provides personalization that allows users to access the Web more intelligently

Question 20

Blog (weblog)

Answer 20

• Journal or newsletter that is updated frequently and intended for the general public
• They reflect the authors’ personalities and include philosophical reflections and opinions on social or political issues

Question 21

Wiki

Answer 21

Web site that allows users to add, delete, and modify content
- Ex: Wikipedia

Question 22

Social Networking

Answer 22

A broad class of web sites and services that allows users to connect with friend, family, and colleges online as well as meet people with similar interests or hobbies
- Ex: Facebook, Twitter, LinkedIn

Question 23

RSS (Really Simple Syndication) Feeds

Answer 23

Fast, easy way to distribute Web content in Extensible Markup Language (XML) format
- A subscription service, and new content from Web sites you have selected is delivered via a feed reader to one convenient spot

Question 24

Podcast

Answer 24

Electronic audio file posted on the Web for users to download to their mobile devices or computers

Question 25

The Internet2 (I2)

Answer 25

Collaborative effort involving more than 200 U.S. universities and corporations
to develop advanced Internet technologies and applications for higher education and academic research

Question 26

Gigapop

Answer 26

Local connection point-of-presence that connects a variety of high-performance networks

Question 27

Internet of things (IoT)

Answer 27

Physical objects that are connected to the Internet and to all the other physical objects
- Ex: Smart refrigerator that signals when your milk expires

Question 28

Internet of Everything (IoE)

Answer 28

Web-based development in which people, processes, data, and things are interconnected via the Internet using various means
such as RFID devices, barcodes, wireless systems (bluetooth and wifi), and QR codes

Question 29

Internet of Me (IoM)

Answer 29

Subset Internet that gathers and processes information for a given user from the entire Internet and IoT devices to deliver a personalized experience