ch.5b

Which of the following is not one of the major IT infrastructure components?

a mainframe

Which of the following best defines a mainframe?

A mainframe is a large-capacity, high performance computer that can process large amounts of data very rapidly.

__________ refers to programs written for a specific application to perform functions specified by end users.

Application software

Which of the following best describes a cloud-based software service?

Cloud-based software and the data it uses are hosted on powerful servers in massive data centers, and can be accessed with an Internet connection and standard Web browser.

Large mainframes, servers, desktop and laptop computers, and mobile devices for accessing corporate data and the Internet are examples of which component of IT infrastructure?

Computer hardware

Which of the following is not a challenge of managing IT infrastructure?

Consulting with shareholders on best practices

__________ is an operating system created by the open source community.

Linux

Which of the following best describes the total cost of ownership (TCO) model?

The total cost of ownership (TCO) model can be used to analyze direct and indirect costs to help firms determine the actual cost of specific technology implementations.

Which of the following refers to loosely coupled software components based on open Web standards that work with any application software and operating system?

Web services

From an IT perspective, __________ is the process of predicting when a computer hardware system becomes saturated.

capacity planning

A model for a computer that splits the processing between clients and servers on a network, assigning functions to the machine most able to perform the function is called __________.

client/server computing

Which of the following best defines IT infrastructure?

IT infrastructure is the shared technology resources that provide the platform for the firm's specific information system applications.

Which of the following best describes cloud computing?

In cloud computing, firms and individuals obtain computing power and software as services over a network, including the Internet, rather than purchasing and installing the hardware and software on their own computers.

Which of the following is an operating-system and hardware-independent programming language that is the leading interactive programming environment for the Web?

Java

When firms and individuals obtain computing power and software as services over a network, including the Internet, rather than purchasing and installing the hardware and software on their own computers, it is called __________.

cloud computing

Which IT infrastructure component provides data, voice, and video connectivity to employees, customers, and suppliers?

Networking and telecommunications technology

__________ are high-speed networks dedicated to storage that connect different kinds of storage devices, such as tape libraries and disk arrays, so they can be shared by multiple servers.

Storage area networks (SAN)

Keyboards, computer mice, touch screens, magnetic ink, and digital scanners are all examples of __________.

input devices

When firms outsource software work outside their national borders, this practice is called __________.

offshore software outsourcing

When dealing with platform and infrastructure change, __________ refers to the ability of a computer, product, or system to expand to serve a large number of users without breaking down.

scalability

The system software that manages and controls the computer's activities is called __________.

the operating system