CH. 5

Interpretations of Moore's law assert that:

computing power doubles every 18 months

Application server software is responsible for locating and managing stored webpages.

false

IT infrastructure consists of only those physical computing devices required to operate the enterprise.

false

Which of the following types of computing involves purchasing computing power from a remote provider and paying only for the computing power used?

on-demand

Which type of software is created and updated by a worldwide community of programmers and available for free?

open source

Software that manages the resources of the computer is called:

operating system software.

All of the following are current hardware platform trends except:

unix

How would you determine the market demand for your firm's IT services?

Hold focus groups to assess your services

Which type of infrastructure service provides data, voice and video connectivity to employees, customers, and suppliers?

Telecommunications

Hardware and software acquisition costs account for about ________ percent of TCO.

20

Place the following eras of IT infrastructure evolution in order, from earliest to most recent: 1. Cloud Computing Era; 2. Client/Server; 3. Enterprise Era; 4. Personal Computer; and 5. Mainframe and Minicomputer.

5, 4, 2, 3, 1

________ states that the value or power of a network grows exponentially as a function of the number of network members.

Metcalfe's Law

Which of the following is not an IT infrastructure service component?

Operating system software

Which of the following is an example of a legacy system?

Transaction processing system running on a mainframe

Which of the following factors does not help explain why computing resources today are even more available than in previous decades?

Widespread rejection of technology standards

________ provides a standard format for data exchange, enabling web services to pass data from one process to another.

XML

ZipRealty, which combines Google Maps with real estate data, is an example of:

a mashup

The introduction of the minicomputer:

allowed computers to be customized to the specific needs of departments or business units.

linux is:

an example of open-source software.

A software program with a graphical user interface for displaying web pages and for accessing the web and other Internet resources is called a web:

browser

The ability to be in multiple states at once, dramatically increasing processing power, is a hallmark of:

quantum computing

Which of the following refers to the ability of a computer, product, or system to expand to serve a larger number of users without breaking down?

scalability

A SAN is a ________ network.

storage area

In a multi-tiered network:

the work of the entire network is balanced over several levels of servers

Which model can be used to analyze the direct and indirect costs to help firms determine the actual cost of specific technology implementations?

total cost of ownership

An application server may reside on the same computer as a web server or on its own dedicated computer.

true

Enterprise infrastructure requires software that can link disparate applications and enable data to flow freely among different parts of the business.

true

The operating system is used to manage the computer's activities.

true