Chapter 11 GBU 321

Which of the following refers to a variant of utility computing where vendors provide the operating system and supporting software like database management systems but where client firms write their own code A. Platform as a service B. Host service vendor C. Software as a service D. Application service provider E. Infrastructure as a service

A. Platform as a service

Open source software products often have fewer bugs than their commercial counterparts because of the: A. large number of persons who have looked at the code. B. stringent quality checks undertaken by the original developers. C. emphasis placed on technological superiority of OSS products. D. relatively poorer standards of commercially programmed software. E. pyramidal programming practice followed by OSS developers.

A. large number of persons who have looked at the code

Cloud computing refers to: A. replacing computing resources with services provided over the Internet. B. a technology that can make a single computer behave like many separate computers. C. designing computers with many microprocessors that work together, simultaneously, to solve problems. D. designing Microprocessors with two or more calculating processor cores on the same piece of silicon. E. manufacturing semiconductors as a stack of multiple, interconnected layers instead of in one flat plane.

A. replacing computing resources with services provided over the Internet.

The software business is extremely profitable compared to the hardware business because: A. the marginal cost to produce an additional copy of a software product is effectively zero. B. of the lack of market price regulations and guidelines. C. software producers serve niche businesses sectors with high profit margins. D. software development is a one-time process with no upgrade costs. E. software firms benefit from special tax exemptions that aid profitability.

A. the marginal cost to produce an additional copy of a software product is effectively zero.

Which of the following sets of software represents the constituents of the LAMP stack A. Limewire, Acrobat Reader, Mozilla, Python B. Linux, Apache, MySQL, Perl C. Lingo, Afnix, Moby, PPL D. Linux, Android, Mac OS X, PHP E. Limewire, AppleScript, MATLAB, Photoshop

B. Linux, Apache, MySQL, Perl

Which of the following is one of the characteristics of using software as a service model? A. Longer deployment times B. Scalable systems C. Fixed operating expenses D. Heightened financial risk E. Higher maintenance costs

B. Scalable systems

A _____ refers to a firm that offers third-party software-replacing services that are delivered online. A. software cloud B. hosted software vendor C. wide area network D. virtualization network E. public cloud

B. hosted software vendor

A server running _____ can create smaller compartments in memory that each behave as a separate computer with its own operating system and resources A. private clouds B. virtualization software C. genetic algorithms D. neural networks E. open source software

B. virtualization software

Cloud computing is not suited for situations: A. involving offloading of expensive computing tasks. B. where complex legacy systems have to be ported. C. with no existing regulatory compliance issues. D. where pricing economics favor buying over renting. E. characterized by limited-time tasks.

B. where complex legacy systems have to be ported.

_____ provide the infrastructure backbone to SaaS and hardware cloud efforts, as well as many large-scale Internet services. A. Private clouds B. Data warehouses C. Server farms D. Neural networks E. Content delivery networks

C. Server farms

Less popular open source products are not likely to attract the community of users and contributors necessary to help improve these products over time. This situation reiterates the belief that _____ are a key to success. A. proprietary products B. brand strategies C. network effects D. technology expenses E. advertising campaigns

C. network effects

The scalability of a software product is defined as the A. capability to continue operations even if a component fails. B. long-term market viability of a software product. C. ability to take advantage of complementary products developed for a prior generation of technology. D. ability to be easily expanded to manage workload increases. E. ability to replace a technically superior product upon market inception.

D. ability to be easily expanded to manage workload increases.

Vendors frequently sign _____ with their customers to ensure a guaranteed uptime and define their ability to meet demand spikes.A. infrastructure provider contracts B. host vendor terms C. open source contracts D. service level agreements E. requests for information

D. service level agreements

Oracle, a firm that sells commercial ERP and database products, provides Linux for free, selling high-margin Linux support contracts for as much as five hundred thousand dollars. Oracle's motivation for this lies in: A. accelerating the shift of open source software towards a proprietary regime. B. using open source software to fuel sales of hardware. C. impoverishing other open source developers and furthering its own proprietary offerings. D. using open source software to wean customers away from competitors. E. protecting itself from the risks of distributing code while unaware of legal implications.

D. using open source software to wean customers away from competitors.