Information Technology > A-Level Question Paper > Sophia Information Technology Sophia Final Milestone. (All)

Sophia Information Technology Sophia Final Milestone.

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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. [Show More]

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