Select the true statement about the history of the Internet.
The creation of ARPANET enabled U.S. defense intelligence agencies to predict the Soviet
launch of Sputnik.
The Internet is a global network of connec
...
Select the true statement about the history of the Internet.
The creation of ARPANET enabled U.S. defense intelligence agencies to predict the Soviet
launch of Sputnik.
The Internet is a global network of connected computers linked through ARPANET.
TCP/IP facilitates communication between networks running on different protocols.
The first four nodes of ARPANET included Harvard, MIT, Stanford, and the Department of
Defense.
RATIONALE
Transmission-control protocol/Internet protocol (TCP/IP) is the basic communication
language or protocol of the Internet. It can also be used as a communications protocol in a
private network (either an intranet or an extranet). The Advanced Research Projects
Agency (ARPA) network was created in response to the launch of Sputnik, not in advance of
it.
CONCEPT
The World Wide Web
2
Amanda likes to play computer games online with many other people while she travels.
Select the best computer for Amanda.
A desktop computer with a large screen and large amounts of storage
A desktop computer with a fast processor and graphics accelerator
A laptop computer with a small screen and limited memory
A laptop computer with a fast processor and graphics accelerator
RATIONALE
Because Amanda travels a lot, she needs a portable computer, such as laptop. Amanda's
computer must have a fast processor and a graphics accelerator, since online games are
often graphics-intensive and require high processor performance.
CONCEPT
Selecting a Computer
3
Which of the following is a challenge of data warehousing?
Cloud computing environments
A high reliance on data quantity
Data originality
Privacy concerns
RATIONALE
It has become easy to collect data from a variety of sources and combine them to perform
new forms of analysis. Some firms combine publicly-accessible data with information
obtained from the government and other sources to create warehouses of data (about
people and companies) for sale.
CONCEPT
Trends and Challenges with Data Warehousing
4
IT specialists are expected to use a set of technical and people skills to perform the tasks
associated with their job.
Select the IT specialist who demonstrates a hard skill.
Using her knowledge of programming languages, Renee creates new software for her
organization.
Katelyn provides a creative solution that satisfies everyone involved, so work on the new
software can continue.
Andrew meets with his contractors regularly to make sure that their software development
projects remain on schedule.
Cassidy holds meetings with company executives to determine how to meet their
technology needs while staying within budget.
RATIONALE
Renee's competency in writing code and developing software is a hard skill. The people
cited in other answer choices use soft skills including communication, negotiation,
problem-solving, project management, and collaboration.
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