CIS Chapter 4
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Most rich Internet applications (RIAs) take advantage of being online by emphasizing their collaborative benefits.
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True
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The fiber-optic cables that span the globe over land and under sea make up the _____.
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Internet Backbone
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A _____ is a telecommunications device that translates data from a digital form (as it is stored in the computer) into an analog signal that can be transmitted over ordinary telephone lines.
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modem
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The _____ was the ancestor of the Internet.
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ARPANET
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The network operating system (NOS) performs similar functions for the network as operating system software does for a computer, such as memory and task management and coordination of hardware.
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True
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_____ is a Web address that specifies the exact location of a Web page using letters and words that map to an IP address and a location on the host.
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A Uniform Resource Locator (URL)
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In cloud computing, software and storage are accessed without a Web browser.
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False
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A geostationary satellite orbits the earth in a very low orbit at an altitude of less than 1,000 miles.
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False
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The area covered by one or more interconnected wireless access points is commonly called a(n) _____.
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hot spot
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A _____ satellite system employs many satellites that are spaced so that, from any point on the Earth at any time, at least one satellite is on a line of sight, each in an orbit at an altitude of less than 1,000 miles.
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A low earth orbit satellite (LEO)
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A(n) _____ is a 64-bit number that identifies a computer on the Internet.
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IP address
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_____ is a wireless communications specification that describes how cell phones, computers, and printers can be connected over distances of 10 to 30 feet at a rate of about 2 Mbps and allows users of multifunctional devices to synchronize information.
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Bluetooth
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An IP address is a 32-bit number that identifies a computer on the Internet.
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False
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Over the years, the Web has evolved from a one-directional resource where users only obtain information to a two-directional resource where users obtain and contribute information.
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True
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A _____ is a telecommunications network that connects users and their computers in a geographical area that spans a campus or city.
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metropolitan area network (MAN)
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Transmission media can be divided into two broad categories: guided transmission media and wireless.
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True
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A switch is a communications system that manages both voice and data transfer within a building and to outside lines.
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False
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The Internet is migrating to Internet Protocol version 6 (IPv6), which uses _____ addresses to provide for many more devices.
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128-bit
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Client/server architecture refers to a computing environment where software and storage are provided as an Internet service and accessed with a Web browser.
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False
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A mashup is a program to combine two or more Web applications into a new service.
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True
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Microwave is a high-frequency radio signal (300 MHz-300 GHz) sent through atmosphere and space.
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True
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A _____ is a network that uses multiple access points to link a series of devices that speak to each other to form a network connection across a large area.
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mesh network
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Telecommunications is changing the nature of commerce itself.
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True
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A multiplexer translates data from a digital form (as it is stored in a computer) into an analog signal that can be transmitted over ordinary telephone lines.
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False
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In which of the following approaches to processing does all processing occur in a single location or facility?
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Centralized Processing
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A _____ is one in which all network devices are connected to one another through a single central device called the hub node.
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Star network
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Web sites such as Wikipedia, YouTube, and Facebook are examples of Web 1.0 sites.
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False
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An Internet service provider (ISP) is a Web address that specifies the exact location of a Web page using letters and words that map to an IP address and a location on the host.
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False
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_____ refers to the rate at which data is exchanged, usually measured in bits per second (bps).
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Channel bandwidth
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Extensible Markup Language (XML) is the standard page description language for Web pages.
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False
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5G is a term used to identify the next major phase of mobile telecommunications standards beyond 4G.
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True
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Near field communication (NFC) is a guided transmission media type.
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False
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Data is broken into _____ to be transmitted over the Internet.
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packets
