Question 1

Which of the following was the "killer app" of 2012?

Accepted Answer

A) social networks 
B) blogs 
C) tablet PCs 
D) search engines

Question 2

When talking about the physical elements of the Internet, the term redundancy refers to:

Accepted Answer

A) transmitting multiple copies of a single packet to safeguard against data loss. 
B) the use of tiered high-speed switching computers to connect the backbone to regional and local networks. 
C) delays in messages caused by the uneven flow of information through the network. 
D) multiple duplicate devices and paths in a network built so that data can be rerouted if a breakdown occurs.

Question 3

The addresses used by browsers to identify the location of content on the Web are called:

Accepted Answer

A) domain names. 
B) uniform resource locators. 
C) IP addresses. 
D) file paths.

Question 4

An Internet-enabled media player would run in which layer of Internet architecture?

Accepted Answer

A) Network Technology Substrate layer 
B) Middleware Services layer 
C) Transport Services and Representation Standards layer 
D) Applications layer

Question 5

Which of the following statements about iPhone apps is not true?

Accepted Answer

A) They are distributed through Apple's App Store. 
B) They are typically written in the Java programming language. 
C) They were estimated to generate over $2 billion in 2012. 
D) More than 30 billion have been downloaded.

Question 6

What types of effects are tablet computers having on e-commerce?

Accepted Answer

The answer of What types of effects are tablet computers...

Question 7

The major hubs in the United States where the Internet backbone intersects with regional and local networks are now commonly referred to as Internet Exchange Points (IXPs).

Accepted Answer

A) True 
 B)False

Question 8

A(n)________ is a Web application that allows users to easily add and edit content on a Web page.

Accepted Answer

A) wiki 
B) podcast 
C) blog 
D) RSS feed

Question 9

Specialized computers that interconnect the thousands of computers that make up the Internet in order to transmit message parcels along available communication paths and on to their destinations are called ________.

Accepted Answer

The answer of Specialized computers that interconnect the thousands of...

Question 10

The Internet Layer of TCP/IP is responsible for which of the following?

Accepted Answer

A) placing packets on and receiving them from the network medium 
B) addressing, packaging, and routing messages 
C) providing communication with the application by acknowledging and sequencing the packets to and from the application 
D) providing a variety of applications with the ability to access the services of the lower layers

Question 11

The natural language convention used to represent IP addresses is called the:

Accepted Answer

A) uniform resource locator system. 
B) Internet protocol addressing schema. 
C) domain name system. 
D) assigned numbers and names (ANN)system.

Question 12

Which of the following protocols is used to send mail to a server?

Accepted Answer

A) SMTP 
B) FTP 
C) HTTP 
D) SSL

Question 13

Streaming media reduces the effects of latency.

Accepted Answer

A) True 
 B)False

Question 14

The concept behind document formatting had its roots in which of the following?

Accepted Answer

A) XML 
B) SGML 
C) HTML 
D) GML

Question 15

A(n)________ is an audio presentation stored as an audio file and posted to the Web for users to download.

Accepted Answer

A) podcast 
B) RSS subscription 
C) weblog 
D) widget

Exam 3: E-Commerce Infrastructure: the Internet, Web, and Mobile Platform