CIS Chapter 4

Most rich Internet applications (RIAs) take advantage of being online by emphasizing their collaborative benefits.
True
The fiber-optic cables that span the globe over land and under sea make up the _____.
Internet Backbone
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.
modem
The _____ was the ancestor of the Internet.
ARPANET
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.
True
_____ 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.
A Uniform Resource Locator (URL)
In cloud computing, software and storage are accessed without a Web browser.
False
A geostationary satellite orbits the earth in a very low orbit at an altitude of less than 1,000 miles.
False
The area covered by one or more interconnected wireless access points is commonly called a(n) _____.
hot spot
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.
A low earth orbit satellite (LEO)
A(n) _____ is a 64-bit number that identifies a computer on the Internet.
IP address
_____ 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.
Bluetooth
An IP address is a 32-bit number that identifies a computer on the Internet.
False
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.
True
A _____ is a telecommunications network that connects users and their computers in a geographical area that spans a campus or city.
metropolitan area network (MAN)
Transmission media can be divided into two broad categories: guided transmission media and wireless.
True
A switch is a communications system that manages both voice and data transfer within a building and to outside lines.
False
The Internet is migrating to Internet Protocol version 6 (IPv6), which uses _____ addresses to provide for many more devices.
128-bit
Client/server architecture refers to a computing environment where software and storage are provided as an Internet service and accessed with a Web browser.
False
A mashup is a program to combine two or more Web applications into a new service.
True
Microwave is a high-frequency radio signal (300 MHz-300 GHz) sent through atmosphere and space.
True
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.
mesh network
Telecommunications is changing the nature of commerce itself.
True
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.
False
In which of the following approaches to processing does all processing occur in a single location or facility?
Centralized Processing
A _____ is one in which all network devices are connected to one another through a single central device called the hub node.
Star network
Web sites such as Wikipedia, YouTube, and Facebook are examples of Web 1.0 sites.
False
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.
False
_____ refers to the rate at which data is exchanged, usually measured in bits per second (bps).
Channel bandwidth
Extensible Markup Language (XML) is the standard page description language for Web pages.
False
5G is a term used to identify the next major phase of mobile telecommunications standards beyond 4G.
True
Near field communication (NFC) is a guided transmission media type.
False
Data is broken into _____ to be transmitted over the Internet.
packets