ACC270 Chapter 11 – Flashcards
Unlock all answers in this set
Unlock answersquestion
1. Which of the following sets of software represents the constituents of the LAMP stack?
answer
Linux, Apache, MySQL, Perl
question
2. _____ provide the infrastructure backbone to SaaS and hardware cloud efforts, as well as many large-scale Internet services.
answer
Server farms
question
3. 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.
answer
Network effects
question
4. A _____ refers to a firm that offers third-party software-replacing services that are delivered online.
answer
Hosted software vendor
question
5. The software business is extremely profitable compared to the hardware business because the marginal cost to produce an additional copy of a
answer
software product is effectively zero
question
6. Which of the following is one of the reasons why firms choose open source products over commercial alternatives?
answer
Better security features of OSS products
question
7. a firm developing its own software, and then running it over the Internet on a service provider's computers is called:
answer
Utility computing
question
8. Vendors frequently sign _____ with their customers to ensure a guaranteed uptime and define their ability to meet demand spikes.
answer
service level agreements
question
9. Which of the following is one of the sources of revenue for open source vendors?
answer
Selling support and consulting services
question
10. _____ is a term used to describe unpredictable, but highly impactful events.
answer
Black swans
question
11. 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?
answer
Platform as a service
question
12. Cloud computing is not suited for situations where ____ _____ ____ have to be ported.
answer
complex legacy systems
question
13. replacing computing resources with services provided over the Internet.
answer
Cloud computing
question
14. Open source software products often have fewer bugs than their commercial counterparts because of the:
answer
large number of persons who have looked at the code
question
15. Which of the following is one of the characteristics of using software as a service model?
answer
Scalable systems
question
16. One of the risks associated with SaaS is the:
answer
dependence on a single vendor
question
17. Cloud firms are often located in warehouse-style buildings designed for computers, not people. This is true about _____.
answer
cloud computing
question
18. scalability of a software product is the:
answer
ability to be easily expanded to manage workload increases
question
19. A server running _____ can create smaller compartments in memory that each behave as a separate computer with its own operating system and resources.
answer
virtualization software
question
20. Which of the following is one of the reasons why firms choose open source products over commercial alternatives?
answer
Better security features of OSS products
question
21. _____ refers to software that is free and available for anyone to look at and potentially modify the code.
answer
Open source software
question
22. All the costs associated with the design, development, testing, implementation, documentation, training and maintenance of a software system are collectively termed as:
answer
Total cost of ownership
question
23. 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?
answer
Platform as a service
