Deck 3: Evolution and Applications of the Internet

Question 1

A firewall:

A) encrypts data and sends it over an access line to the company's internet service provider.
B) is a high-security computer system that acts as the entry point into a network.
C) can render the data unreadable by authorized persons.
D) protects systems primarily against outside problems.
E) all of the above

Answer 1

all of the above

Question 2

The following are a number of internet facts. Which one is incorrect?

A) A URL is an unsecure relay location that should be avoided.
B) The internet is structured in a complex client-server fashion.
C) The key protocol of the internet is TCP/IP.
D) The World Wide Web is only part of the internet.
E) An internet backbone links various regions and service providers.

Answer 2

A URL is an unsecure relay location that should be avoided.

Question 3

Virtual private networks:

A) use wireless communication to build a private internet.
B) link all points on the internet.
C) link individual consumers to their ISP.
D) provide streaming video presentations across the web.
E) allow information to be passed securely between two points.

Answer 3

allow information to be passed securely between two points.

Question 4

The Internet Engineering Task Force (IETF) does which of the following?

A) helps coordinate the operation, management, and evolution of the internet
B) promotes research in networking
C) promotes the development of new technology
D) develops routers for the internet
E) all of the above

Question 5

Virtual private networks (VPN):

A) are secure but unencrypted connections between two points across the internet.
B) transfer information by encrypting the data in IP packets and send the packets by tunnelling.
C) will increase the businesses networking costs and staffing requirements.
D) do not use the internet.
E) none of the above

Question 6

Websites are identified by a URL, which contains:

A) a web server identifier.
B) a domain name.
C) the name of a protocol.
D) a file name sometimes.
E) all of the above

Question 7

The following is a good example of web technologies allowing businesses to do what would otherwise be impossible:

A) remote locations can be linked into head office in real time
B) partners can be updated on supply chain issues
C) data can be communicated rapidly and cost-effectively
D) the geographic region for sales can be expanded
E) all of the above

Question 8

Which of the following statements best describes extranets?

A) Extranets have all of the advantages of intranets.
B) Extranets are networks that are available to users outside of a company.
C) Extranets are more secure than intranets.
D) Extranets can make it difficult for an employee to deal with inquiries about product availability and delivery times.
E) all of the above

Question 9

A business may choose to implement a virtual private network if:

A) it often sends confidential information to business partners.
B) it has multiple locations that are linked electronically.
C) remote salespeople often connect to head office.
D) it tries to reduce communications costs.
E) all of the above

Question 10

Which of the following is true about intranets?

A) They take control away from employees because they are not able to input information into corporate applications.
B) Intranets are internal to an organization and uses internet technologies.
C) Intranets are taking market share away from extranets.
D) Intranets are used to connect mainframe computers.
E) all of the above

Question 11

Which statement is true of fibre optics?

A) CA*net 1 was based on fibre optic technology.
B) It is the transmission of information as light impulses along a glass or plastic fibre.
C) Copper media carries more data than fibre optic media.
D) Due to its sensitivity it is more subject to electromagnetic interference.
E) all of the above

Question 12

Extensible markup language:

A) was one of the first languages used on the internet.
B) is a means of distributing music across the internet.
C) categorizes websites according to their industry.
D) converts web transactions into emails.
E) adds additional descriptions to websites.

Question 13

When referring to the internet, tunnelling is:

A) the use of a mathematical formula to render electronic data illegible.
B) a trick used by hackers to get beyond a firewall.
C) the process of uploading new web pages to the internet.
D) the process of sending data in encapsulations.
E) none of the above

Question 14

The internet can use a tool called common gateway interface to:

A) ensure all customers see the same view of a website.
B) allow wireless phones to tap into the internet.
C) capture user information and record it as cookies.
D) bridge the gap between the web and other systems.
E) bridge the gap between the web and the wireless web.

Question 15

Domain names on the internet:

A) are part of the URL.
B) identify a specific web server.
C) are used to navigate the internet.
D) follow a specific protocol.
E) all of the above

Question 16

Which of the following is true about an internet backbone?

A) often based on fibre optic cables
B) CA*net was the only internet backbone in Canada for years
C) is an organized and managed communications system
D) forms the central connection for a section of the internet
E) all of the above

Question 17

__________ is a code that must be inserted in a file in order for it to be displayed on the World Wide Web.

A) Extensible Markup Language
B) Hypertext Markup Language
C) source code
D) metatags
E) Common Gateway Interface

Question 18

The key difference between intranets and extranets is:

A) the technologies that enable them.
B) intranets are primarily within companies while extranets are outside.
C) users have to type more commands on extranets.
D) the internet cannot be linked to intranets.
E) none of the above

Question 19

Of the following statements, which is correct about the Internet Research Task Force (IRTF)?

A) The activities of the IETF and the IRTF are distinct and seldom overlap.
B) The IRTF helps to coordinate the operation, management, and evolution of the internet.
C) The IRTF is responsible for specifying the short- and mid-term internet protocols.
D) The IRTF was formed to promote research in networking and the development of new technology.
E) The IRTF is a centralized research organization.

Question 20

The source code for an internet web page:

A) is protected from being seen by users.
B) tells trade secrets about a company.
C) is most often written in HTML.
D) needs to be compiled before it is published.
E) none of the above

Question 21

Extensible Markup Language (XML) describes the content only in terms of how it is to be displayed and interacted with, whereas the Hypertext Markup Language (HTML) describes the content in terms of what data is being included.

Question 22

VPN stands for Virtual Protocol Network.

Question 23

Common Gateway Interface is a proprietary method for transferring data between servers and applications.

Question 24

Software with a user-friendly, graphics-cable interface that enables users to connect to and navigate websites on the internet is called:

A) Graphical User Interface.
B) a web browser.
C) HTML.
D) windows media.
E) TCP/IP.

Question 25

Internet technology is attractive to business because:

A) it is easy to implement on almost any technology platform.
B) it is completely free.
C) every country in the world has the internet.
D) it is secure.
E) online transactions are not taxed.

Question 26

In Canada, the internet began in earnest when the following was created:

A) Asynchronous Transfer Mode (ATM)
B) CA*net
C) AT&T
D) Regional Advanced Networks (RANs)
E) CA*net II

Question 27

What kind of software applications were used to find and retrieve information when the internet was first implemented?

A) Gopher and Veronica
B) FTP
C) TCP/IP
D) Netscape Communicator
E) Mosaic

Question 28

An internet service provider has at least one point of presence on the internet.

Question 29

A prime purpose of the use of intranets and extranets is to:

A) interact seamlessly with the internet.
B) automate and streamline the supply chain.
C) save printing costs.
D) enable employees to work from home.
E) monitor company inventory.

Question 30

Metatags are identifiers within the XML code that identify the content of the website.

Question 31

A point of presence (POP) is an access point to the internet that has a unique IP address.

Question 32

The following organizations are important contributors to the development activities of the internet on an international scale:

A) Canadian Radio-television Telecommunications Commission (CRTC) and Internet Architecture Board (IAB)
B) Internet Engineering Task Force (IETF) and Internet Research Task Force (IRTF)
C) Defense Advanced Research Projects Agency (DARPA) and National Test Network (NTN)
D) Federal Networking Council (FNC) and World Wide International (WWI)
E) National Research Council (NRC) and the U.S. Defense Communications Agency

Question 33

Top-level domain names include all except the following ________.

A) .com
B) .org
C) .edu
D) .bus
E) .net

Question 34

Sympatico and Interlink are examples of:

A) servers.
B) Internet Service Providers (ISP).
C) Internet Research Task Force (IRTF) members.
D) Internet Engineering Task Force (IETF) members.
E) none of the above

Question 35

The difference between Transmission Control Protocol (TCP) and Internet Protocol (IP) is that TCP uses a set of rules to send and receive messages and IP uses a set of rules to exchange messages.

Question 36

By far the most common protocol used for reading webpages on the web is ________.

A) HTTP
B) HTML
C) XML
D) CGI
E) VPN

Question 37

Websites or applications that combine content from simple existing web services to create a new service are called ________.

A) wikis
B) blogs
C) web logs
D) social networks
E) mashups

Question 38

Gigabits per second (Gbps) means a million bits per second.

Question 39

A virtual private network is a secure and encrypted connection between two points across the internet.

Question 40

An intranet appears to users to be the same as the internet since it uses the same protocols such as TCP/IP.

Question 41

What is the key feature described in this chapter that distinguishes the internet from other mass media such as radio, television and newspapers?

Question 42

How does the Virtual Private Network (VPN) transfer information?

Question 43

The most important internet application continues to be electronic, or email.

Question 44

Provide an example of a joint application used by suppliers which would be considered an extension of extranets. Explain its use.

Question 45

What is tunnelling?

Question 46

All websites are not created equal. List five key quality indicators of a website.

Question 47

Who builds and runs most Virtual Networks (VPNs)? And what kind of networks have VPNs been used to replace?

Question 48

Describe how email as an application can be the basis for adding valuable services opportunities for businesses.

Question 49

The internet is a network of loosely connected networks.

Question 50

Due to its universality, the internet reduces barriers to competition created by space, time, and information asymmetries. Explain.