Exam 5: It Infrastructure and Emerging Technologies

Which of the following is not a challenge being faced by Salesforce.com,as discussed in the chapter case?

Unix and Linux are non-scalable,unreliable,and much more expensive than mainframe operating systems.

An industry-wide effort to develop systems that can configure,optimize,tune,and heal themselves when broken,and protect themselves from outside intruders and self-destruction is called

Once a firm decides to work with an ________ vendor,switching can be difficult and costly,though not impossible.

Cloud computing may be a low-cost way to increase ________,but firms should evaluate this option carefully in light of security requirements and the impact on business processes and work flows.

Salesforce.com is a good example of a firm using a ________.

Transmission Control Protocol/Internet Protocol (TCP/IP)is a suite of communications protocols and a common addressing scheme that enables millions of computers to connect together in one giant global network (the Internet).

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

________ asserts that the number of components on a chip doubles each year.

Once a firm decides to work with an enterprise vendor,switching can be difficult and costly,though not impossible.

Moore's Law and the law of mass storage help us understand why computing resources are now so readily available.

What is the foundation technology for Web services?

N-tier computing is a multi-tier,load-balancing scheme for Web-based applications in which significant parts of Web site content,logic,and processing are performed by smaller,less expensive servers located nearby the user.

Unix and Linux are scalable,reliable,and much less expensive than mainframe ________ systems.

The multitasking,multi-user,operating system developed by Bell Laboratories that operates on a wide variety of computing platforms is

Cost of lost productivity if hardware or software failures cause the system to be unavailable for processing and user tasks is called ________.

A third external source of software is ________,in which a firm contracts custom software development or maintenance of existing legacy programs to outside firms,frequently firms that operate offshore in low-wage areas of the world.

SaaS refers to

The ________ market has actually grown steadily over the last decade although the number of providers has dwindled to one: IBM.

In two-tiered client/server architecture,the processing is split between two types of servers.