Exam 3: Networks and the Cloud

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Explain HTTP and HTTPS in general terms.

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A private internet used exclusively within an organization is sometimes called a/an _______.

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An html ________is a notation used to define a data element for display or other purposes.

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Platform as a service (PaaS)is where vendors provide hosted computers,an operating system,and possibly a DBMS.

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Hypertext Markup Language (html)is the most common language for defining the structure and layout of Web pages.

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Why have cellular networks become popular?

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Explain what net neutrality is and how it would affect carriers:

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Cascading Style Sheets (CSS)define the fonts and layout of all elements on web pages and are an example of service-oriented architecture (SOA).

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Which of the following statements is true about domain names?

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Wide area networks are used to connect computers that reside in a single geographic location.

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What are two factors have made cloud-based hosting advantageous today. First,processors,data communication,and data storage are so cheap as to be nearly free.At the scale of a Web farm of hundreds of thousands of servers,processing for an hour costs essentially nothing,as the 1.5-cent price per hour indicates.Because data communication is so cheap,getting the data to and from that processor is also nearly free.Second,advances in SOA and protocol adoption have made the cloud even more economical,transparent to the user,and convenient.

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Up to 500 user sites can share a cable line,and performance varies depending on how many other users are sending and receiving data.

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According to economies of scale,the average cost of production decreases as the size of the operation increases.

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A personal area network (PAN)connects devices around a single person.

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Which of the following is a characteristic of cloud hosting?

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The cloud is the elastic leasing of pooled computer resources over the Internet.

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________________is the protocol used between browsers and Web servers.

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Control of data is the primary advantage of cloud hosting.

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The user tier consists of computers,smartphones,and other devices that have browsers that request and process.

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An address on the Internet is called a(n)________.

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