Exam 6: Networks

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Refer to IT's About Business 6.5: Yahoo! CEO Marissa Mayer Bans Telecommuting. The cost savings of telecommuting to both the employees and employers universally outweighs the benefits of working in the office.

(True/False)
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Digital signals have two parameters: frequency and amplitude.

(True/False)
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The U.S. public telephone system was designed as an analog network to carry voice signals.

(True/False)
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Skype is an example of _______.

(Multiple Choice)
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Which of the following is a digital transmission system that defines circuits that operate at different rates, all of which are multiples of the basic 64 Kbps used to transport a single voice call?

(Multiple Choice)
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Gal runs a music store. He has a desktop computer in the back room that acts as a server. He has a point-of-sale terminal that connects to the desktop. He also has a notebook (using in-store wireless access to the Internet) that can be carried around the store to look up current items in stock, or to search for items from one of his suppliers for special orders. Which of the following statements is true?

(Multiple Choice)
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Which of the following statements concerning packet switching is not true?

(Multiple Choice)
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Which of the following are advantages of computer networks?

(Multiple Choice)
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Consider this domain name, HYPERLINK "http://www.business.gsu.edu"www.business.gsu.edu. The "gsu" is the __________.

(Multiple Choice)
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A(n) _____ connects parts of the intranets of different organizations and allows secure communications among business partners.

(Multiple Choice)
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_____ portals support communities such as hobby groups or political parties.

(Multiple Choice)
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Workflow, groupware, and telepresence systems are examples of which network application?

(Multiple Choice)
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With _____, phone calls are treated as just another kind of data.

(Multiple Choice)
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Differentiate among twisted-pair wire, coaxial cable, and fiber-optic cable. Section reference 1: Network Fundamentals

(Short Answer)
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Internet kiosks are computer terminals located in public places like libraries and airports.

(True/False)
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An Internet service provider is a company that offers Internet connections for a fee.

(True/False)
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Refer to IT's About Business 6.4: Massive Open Online Courses. Which of the following statements are true about MOOCs

(Multiple Choice)
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A(n) _____ connects two or more devices in a limited geographical area.

(Multiple Choice)
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A(n) _____ is a network designed to serve the internal informational needs of a single organization.

(Multiple Choice)
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_____ are hardware devices that support data transmission and reception across a telecommunications system.

(Multiple Choice)
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