Chapter 5 Quiz and Practice Quiz
Which of the following involves practices and technologies to minimize the environmental effects of manufacturing and managing computing devices? A) Capacity planning B) Cloud computing C) Green computing D) Utility computing E) On-demand computing
C) Green computing
Which of the following statements about Linux is not true? A) It plays a major role in the back office running local area networks. B) It is available in free versions downloadable from the Internet. C) It has garnered 20 percent of the server operating system market. D) Linux applications are embedded in cell phones, smartphones, netbooks, and other handheld devices. E) Linux works on all the major hardware platforms.
C) It has garnered 20 percent of the server operating system market.
Hardware and software acquisition costs account for about ________ percent of TCO. A) 20 B) 40 C) 50 D) 75 E) 90
A) 20
Which of the following types of computing involves purchasing computing power from a remote provider and paying only for the computing power used? A) On-demand B) Grid C) Edge D) Autonomic E) Quantum
A) On-demand
Which of the following is not an IT infrastructure service component? A) Operating system software B) Computing platforms to provide a coherent digital environment C) Physical facilities management to manage the facilities housing physical components D) IT management services to plan and develop the infrastructure and provide project management E) IT education services that provide training to employees
A) Operating system software
Which of the following became the standard PC in the Personal Computer Era? A) Wintel PC B) DOS PC C) MITS PC D) Altair E) Apple II
A) Wintel PC
Which of the following is the foundation technology for web services? A) XML B) HTML C) SOAP D) UDDI E) SCSI
A) XML
Running a Java program on a computer requires: A) a Java Virtual Machine to be installed on that computer. B) a Java Virtual Machine to be installed on the server hosting the Java applet. C) a miniature program to be downloaded to the user's computer. D) no specialized software, as Java is platform-independent. E) the Mozilla Firefox browser and no other browsers.
A) a Java Virtual Machine to be installed on that computer.
The introduction of the minicomputer: A) allowed computers to be customized to the specific needs of departments or business units. B) strengthened centralized computing. C) offered new, powerful machines at higher prices than mainframes. D) represented the rise of Microsoft. E) was dominated by IBM.
A) allowed computers to be customized to the specific needs of departments or business units.
The marketplace for computer hardware: A) has become increasingly concentrated in top firms. B) has expanded to include a wide variety of start-up and mobile-computing firms. C) has moved significantly to Asian firms. D) has been decimated by mobile and cloud computing. E) has begun moving away from blade servers.
A) has become increasingly concentrated in top firms.
Infrastructure-as-a-Service (IaaS): A) is one type of cloud computing service where users pay only for the computing capacity they actually use. B) is a cloud-based service which provides software applications to users on demand. C) is a cloud-based service that provides a platform for software development. D) provides users with a service-oriented architecture for their systems. E) provides cloud users with ubiquitous networking environment.
A) is one type of cloud computing service where users pay only for the computing capacity they actually use.
The practice of contracting custom software development to an outside firm is commonly referred to as: A) outsourcing. B) scaling. C) service-oriented architecture. D) application integration. E) utility computing.
A) outsourcing.
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: A) software packages. B) mashups. C) outsourced software. D) open-source software. E) service level agreements.
A) software packages.
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. A) 5, 2, 3, 4, 1 B) 5, 4, 2, 3, 1 C) 4, 5, 2, 3, 1 D) 5, 4, 2, 1, 3 E) 4, 5, 3, 2, 1
B) 5, 4, 2, 3, 1
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? A) Modality B) Scalability C) Expandability D) Disintermediation E) Customizability
B) Scalability
Today's computer transistors are roughly equivalent in size to: A) the width of a fingernail. B) a human hair. C) a virus. D) several atoms. E) a grain of sand.
C) a virus.
Linux is: A) primarily concerned with the tasks of end users. B) designed for specific machines and specific microprocessors. C) an example of open-source software. D) especially useful for processing numeric data. E) poorly suited to power fast computers.
C) an example of open-source software.
Firms that allow employees to use their own devices are embracing which of the following? A) Wearable computing B) Mobile consolidation C) Cloud computing D) BYOD E) Self computing
D) BYOD
All of the following are current hardware platform trends except: A) green computing. B) virtualization. C) cloud computing. D) Unix. E) quantum computing.
D) Unix.
At what percent of capacity do most servers operate? A) 100% B) 80-90% C) Approximately 70 percent D) 40-50% E) 15-20%
E) 15-20%
Which of the following is not one of the current software platform trends? A) Web services and service-oriented architecture B) Open-source software C) HTML5 D) Software outsourcing E) Multicore processors
E) Multicore processors
________ are created by combining and customizing components from different online software applications. A) Apps B) Web browsers C) SaaS D) Web services E) Web mashups
E) Web mashups
________ provides a standard format for data exchange, enabling web services to pass data from one process to another. A) HTML B) HTML5 C) Java D) Chrome OS E) XML
E) XML
In green computing, reducing computer power consumption is not a top priority. True or False?
False
Quantum computing is not yet available to the general public. True or False?
False
TCO refers just to the original cost of purchased technology: both hardware and software. True or False?
False
The operating system is used to manage the software applications used in business activities. True or False?
False
A service-oriented architecture is set of self-contained services that communicate with each other to create a working software application. True or False?
True
A web server is responsible for locating and managing stored webpages. True or False?
True
An application server may reside on the same computer as a web server or on its own dedicated computer. True or False?
True
Client/server computing is a primary example of decentralized processing. True or False?
True
In financial services firms, investments in IT infrastructure represent more than half of all capital invested. True or False?
True
Today, many business firms continue to operate legacy systems because they meet a business need and would be costly to replace. True or False?
True
Web hosting services maintain a series of servers and provide fee-paying subscribers with space to maintain their websites. True or False?
True