CIS 761 Test 5
A primary example of centralized processing is client/server computing.
False
Web services can exchange information between two different systems only if the operating systems and programming languages upon which the systems are based are identical.
False
________ states that the value or power of a network grows exponentially as a function of the number of network members.
Metcalfe's Law
A(n) ________ is an integrated circuit to which two or more processors have been attached for enhanced performance and reduced power consumption.
Multicore Processor
In green computing, reducing computer power consumption is a top priority.
True
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
The development of TCP/IP occurred during the ________ era.
enterprise computing
The network standard for connecting desktop computers into local area networks that enabled the widespread adoption of client/server computing and local area networks and further stimulated the adoption of personal computers is
ethernet
At what percent of capacity do most servers operate?
15-20?
Hardware and software acquisition costs account for about ________ percent of TCO.
20
Which of the following is not an example of the emerging mobile digital platform?
CRM
A formal contract between customers and their service providers that outlines the specific responsibilities of the service provider and to the customer is called a(n)
SLA
All of the following are current hardware platform trends except
Unix
________ provides a standard format for data exchange, enabling Web services to pass data from one process to another.
XML
Interpretations of Moore's law assert that
computing power doubles every 18 months
All of the following are cloud computing services except software as a service. platform as a service. on-demand computing. infrastructure as a service. virtualization as a service.
platform as a service. 12 nope
The ability to be in many different states at once, dramatically increasing processing power, is a hallmark of
quantum computing
Specifications that establish the compatibility of products and the ability to communicate in a network are called
technology standards
________ unleash powerful economies of scale and result in price declines in manufactured computer products.
technology standards
Which type of infrastructure service provides voice and video connectivity to employees, customers, and suppliers?
telecommunications
In a multi-tiered network
the work of the entire network is balanced over several levels of servers
A recent addition to the mobile digital platform is
wearable technology
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
Which of the following is the most popular mobile operating system?
Android
Application server software is responsible for locating and managing stored Web pages.
False
IT infrastructure consists of just those physical computing devices required to operate the enterprise.
False
________ uses individual atoms and molecules to create computer chips and other devices thinner than a human hair.
Nanotechnology
A set of self-contained services that communicate with each other to create a working software application is called
SOA
The operating system is used to manage the computer's activities.
True
The multitasking, multi-user, operating system developed by Bell Laboratories that operates on a wide variety of computing platforms is
Unix
All of the following are cloud computing services except
Virtualization as a service???
________ allows a single computing resource, such as a server, to appear to the user as multiple logical resources.
Vitrualization
Running a Java program on a computer requires
a Java Virtual Machine to be installed on the computer
Linux is
an example of open-source software.
A(n) ________ server is used to communicate between a Web server and an organization's back-end systems.
application
The marketplace for computer hardware
has become increasingly concentrated in top firms.
How would you determine the market demand for your firm's IT services?
hold focus groups to assess your services
Which of the following factors does not help explain why computing resources today are ever more available than in previous decades?
network economics 2) law of mass digital storage and Moore's law 3) declining communications costs, universal standards, and the internet whatever is not here
Which type of computing refers to firms purchasing computing power from remote providers and paying only for the computing power they use?
on demand
Which of the following is not one of the NIST defined characteristics of cloud computing?
reduced elasticity
SAAS is referred to
software delivery method that provides access to software and its functions remotely as a Web-based service. ???
Prewritten, commercially available sets of software programs that eliminate the need for a firm to write its own software programs for certain functions, are referred to as
software package
A SAN is a ________ network.
storage area??
Software that manages the resources of the computer is called
system software
Which of the following statements about Linux is not true?
t has garnered 20 percent of the server operating system market.
A client computer networked to a server computer, with processing split between the two types of machines, is called a(n)
two-tiered client/server architecture
Sets of loosely coupled software components that exchange information with each other using standard Web communication standards and languages are referred to as
web services
Which of the following is not one of the main six factors to consider when evaluating how much your firm should spend on IT infrastructure?
your firm's organizational culture
________ are created by combining and customizing components from different online software applications.
mashups
________ surfaces allow users to gesture on a screen with several fingers to execute commands.
multi-touch
Which of the following is not one of the current software platform trends?
multicore process--next 16
Which type of software is created and updated by a worldwide community of programmers and available for free?
open source
Which of the following is not an IT infrastructure service component?
operating system software
In N-tier computing, significant parts of Web site content, logic, and processing are performed by different servers.
true
Scalability refers to the ability of a computer, product, or system to expand to serve a large number of users without breaking down.
true
The phenomenon of employees using their own devices in the workplace is known as
BYOD
________ are computers consisting of a circuit board with processors, memory, and network connections that are stored in racks.
Blade Servers
Which of the following is a leading networking hardware provider?
Cisco
Quantum computing is implemented primarily with enterprise or ISP servers.
False
SANs maintain a series of servers and provide fee-paying subscribers with space to maintain their Web sites.
False
TCO refers to the original cost of purchased technology: both hardware and software.
False
The technology trends exhibited by Portugal Telecom, as discussed in the chapter opening case, illustrate the shift away from green computing.
False
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
Hypertext markup language specifies how text, graphics, video, and sound are placed on a Web page document.
True
Java software is designed to run on any computing device, regardless of the specific microprocessor or operating system it uses.
True
The collection of Web services that are used to build a firm's software systems constitutes what is known as a service-oriented architecture.
True
The decision to purchase your own IT assets or rent them from external providers is also referred to as the rent-versus-buy decision.
True
Today, many business firms continue to operate their legacy systems that meet a business need and would be costly to replace.
True
Whereas HTML is limited to describing how data should be presented in the form of Web pages, XML can perform presentation, communication, and data storage tasks.
True
The ________ PC, becoming the standard PC in the Personal Computer Era, uses the Windows operating system software on a computer with an Intel microprocessor.
Wintel
What is the foundation technology for Web services?
XML
The introduction of the minicomputer
a. allowed computers to be customized to the specific needs of departments or business units. b. enable decentralized computing. c. Offered new, powerful machines at lower prices than mainframes. d. All the above----- ???
Legacy systems are still used because they
are too expensive to redesign.
A software tool with a graphical user interface for displaying Web pages and for accessing the Web and other Internet resources is called a Web
browser
The process of presenting a set of computing resources (such as computing power or data storage) so that they can all be accessed in ways that are not restricted by physical configuration or geographic location is called
cloud? 16
The practice of contracting custom software development to an outside firm is commonly referred to as
outsourcing
As referred to in the text, legacy systems are
traditional mainframe-based business information systems.