Exam 6: Telecommunications and Networks

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Which of the following is a key business use of the Internet?

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Which of the following statements regarding Internet2 is true?

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A network with 100 nodes has 9,900 possible connections. A network with 1,000 nodes has _______________ possible connections.

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Communications satellites can use microwave radio as their telecommunications medium.

(True/False)
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Regular telephone service relies on circuit _______________, in which a switch opens a circuit to establish a link between a sender and receiver. It remains open until the communication session is completed.

(Short Answer)
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New technologies are extending IP addresses beyond computers to TVs, toasters, and coffeemakers.

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If access to data is not restricted with passwords and other security mechanisms, the integrity of the data can be easily compromised.

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Security is a top concern of network management today, so telecommunications software must provide all of the following except:

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Most companies are building e-business and e-commerce websites to achieve all of the following goals except:

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When IP was first standardized, the specification required that each system attached to the Internet be assigned a unique, _______________ Internet address value.

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13 Web browser technology makes customer and supplier access of intranet resources a lot easier and faster than with previous business methods.

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Based on the information presented in the text, telecommunications terminals are best described as:

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VoIP works by digitizing a voice signal, chopping it into __________, and then sending them over a company's computer network or the Internet, much like data or email.

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ATM (asynchronous transfer mode) is an emerging high-capacity __________ switching technology.

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Regular telephone service relies on Packet Switching, while the Internet relies on Circuit Switching.

(True/False)
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In an OSI model, the _______________ layer does the routing and forwarding.

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The Internet provides electronic discussion forums and bulletin board systems that are formed and managed by special-interest newsgroups.

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Fiber optics uses cables consisting of one or more hair-thin filaments of __________ fiber wrapped in a protective jacket.

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The WAP standard specifies how Web pages in HTML and XML are translated into a wireless markup language (WML) by __________ software.

(Short Answer)
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All of the following statements about a virtual private network are correct except:

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