Docstoc

hw2

Document Sample
hw2 Powered By Docstoc
					                               HW2

I Multiple choice questions (100%)

1. Interpretations of Moore"s law assert that
a. computing power doubles every 18 months.
b. transistors decrease in size 50% every two years.
c. data storage costs decrease by 50% every 18 months.
d. none of the above.


2. 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. 4, 5, 3, 2, 1
b. 5, 4, 2, 3, 1
c. 4, 5, 2, 3, 1
d. 5, 4, 2, 1, 3


3. Which of the following factors provides an understanding of why computing resources today
are ever more available than in previous decades?
a. network economics
b. law of mass digital storage and Moore"s law
c. declining communications costs, universal standards, and the Internet
d. all of the above


4. Today"s nanotechnology-produced computer transistors are roughly equivalent in size to
a. the width of a fingernail.
b. a human hair.
c. a virus.
d. an atom.


5. The leading networking hardware providers include
a. Dell, HP/Compaq, and IBM.
b. Cisco, Alcatel-Lucent, and Nortel.
c. Seagate, Maxtor, and Western Digital.
d. IBM, Oracle, and Sun.


6. A SAN is a ________ network.
a. server area
b. storage area
c. scalable architecture
d. service-oriented architecture


7. Legacy systems are still used because they
a. can only be run on the older mainframe computers.
b. are too expensive to redesign.
c. integrate well using new Web services technologies.
d. contain valuable data that would be lost during redesign.


8. Which of the following is NOT an example of the emerging mobile computing platforms?
a. netbooks
b. the Kindle
c. cell phones
d. CRM


9. Connecting geographically remote computers in a single network to create a "virtual
supercomputer" is called
a. co-location.
b. edge computing.
c. grid computing.
d. utility computing.


10. Which of the following does grid computing utilize to create enormous supercomputing
power?
a. massive unused data centers
b. underutilized mainframe computers
c. networked computers with idle resources
d. networks with low usage


11. The process of presenting a set of computing resources (such as computing power or data
storage) so that they can all be accessed in ways that are not restricted by physical configuration
or geographic location is called
a. cloud computing.
b. autonomic computing.
c. virtualization.
d. multicore processing.


12. Which type of computing refers to firms purchasing computing power from remote providers
and paying only for the computing power they use?
a. on-demand
b. grid
c. edge
d. autonomic


13. 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
a. grid computing.
b. utility computing.
c. virtualization.
d. autonomic computing.


14. Which type of software is created and updated by a worldwide community of programmers
and available for free?
a. software packages
b. mashups
c. outsourced
d. open source


15. Running a Java program on a computer requires
a. a Java Virtual Machine to be installed on the 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.


16. Which of the following is a technique used to allow users to interact with a Web page
without having to wait for the Web server to reload the Web page?
a. UDDI
b. widgets
c. Ajax
d. Java


17. Sets of loosely coupled software components that exchange information with each other
using standard Web communication standards and languages are referred to as
a. Web services.
b. EAI software.
c. SOA.
d. SOAP.


18. A set of self-contained services that communicate with each other to create a working
software application is called
a. Web services.
b. EAI software.
c. SOA.
d. SOAP.


19. All of the following are contemporary and growing hardware platform trends except
a. green computing.
b. virtualization.
c. cloud computing.
d. Unix.


20. ________ are created by combining and customizing components from different online
software applications.
a. Apps
b. Mashups
c. SaaS
d. Web services


21. 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.


22. A formal contract between customers and their service providers that outlines the specific
responsibilities of the service provider and to the customer is called a(n)
a. SOA.
b. SLA.
c. TCO.
d. RFQ.


23. SaaS refers to
a. supplying online access over networks to storage devices and storage area network technology.
b. managing combinations of applications, networks, systems, storage, and security as well as
providing Web site and systems performance monitoring to subscribers over the Internet.
c. hosting and managing access to software applications delivered over the Internet to clients on
a subscription basis.
d. none of the above.
24. 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


25. Which model can be used to analyze the direct and indirect costs to help firms determine the
actual cost of specific technology implementations?
a. total cost of ownership
b. return on investment
c. breakeven point
d. cost benefit analysis


No case study questions

After studying the above questions, go online
http://users.business.uconn.edu/whuang/opim3103/hw to answer the questions.

				
DOCUMENT INFO
Shared By:
Categories:
Tags:
Stats:
views:0
posted:1/4/2013
language:English
pages:5