Test Two for Computer Part 2
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Microwave communication uses high-frequency _______.
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radio waves
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This type of network strategy uses central servers to coordinate and supply services to other nodes on the network.
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client/server
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The GPS device in an automobile uses which communication channel?
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satellite
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WiMax stands for _______.
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Worldwide Interoperability for Microwave Access
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Which physical connection is the fastest?
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Fiber-optic cable
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The essential features of this include identifying, sending, and receiving devices and breaking information into small parts for transmission across the Internet.
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TCP/IP
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A wireless access point that provides Internet access in a public place such as a coffee shop, library, bookstore, or university.
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Hotspot
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Using this type of communications channel, several users can simultaneously use a single connection for high-speed data transfer.
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Broadband
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Remote users can connect to an organization's network through this type of secure private connection.
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VPN
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Cellular services use _______ to provide wireless connectivity to the Internet.
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3G and 4G cellular networks
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Which among the following is considered a line-of-sight communication medium?
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Microwave
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The _______ is the central node that coordinates the flow of data by sending messages directly between the sender and receiver nodes.
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switch
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_______ is a term relating to sending data to a satellite.
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Uplink
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Every computer on the Internet has a unique numeric address called a(n) _______.
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IP address
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In a communication system, which among the following convert messages into packets that can travel across the communication channel?
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Connective Devices
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In a communication system, which among the following originate and accept messages in the form of data, information, and/or instructions?
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Sending and receiving devices
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All communications between a company's internal networks and the outside world pass through this server.
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Proxy
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The capacity of a communication channel is measured in _______.
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bandwidth
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This type of network topology does not use a specific physical layout.
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Mesh
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A network topology in which the central node is connected to two or more subordinate nodes that, in turn, are connected to other sub-ordinate nodes.
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Tree
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This device enables connectivity between two LANS or a LAN and a larger network.
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Network gateway
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In a computer network, this node that requests and uses resources available from other nodes.
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Client
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_______ is the process of breaking down information sent or transmitted across the Internet into small parts.
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Packetization
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A service that uses existing phone lines to provide high-speed connections is called _______.
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DSL
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Organizations use the following to allow suppliers and others limited access to their networks.
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Extranets
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One of the most dramatic changes in connectivity and communications in the past few years has been _______.
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widespread use of mobile devices with wireless Internet connectivity
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Small data files that are deposited on a user's hard disk when they visit a website are called _______.
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cookies
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These are used by advertisers to keep track of your web activity as you move from one site to the next.
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Third-party cookies
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_______ is concerned with protecting software and data from unauthorized tampering or damage.
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Data security
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Programs used to secretly record an individual's activities on the Internet are called _______.
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spyware
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This is a legal concept that gives content creators the right to control use and distribution of their work.
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Copyright
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Corporations often use this to prevent copyright violations.
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Digital rights management (DRM)
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This type of Wi-Fi hotspot operates close to a legitimate Wi-Fi hotspot and steals information such as usernames and passwords.
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Rogue
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According to which law is it illegal for an owner of a commercial program to make backup copies for their personal use and resell or give them away
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Digital Millennium Copyright Act
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Which of the following is not malware?
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Ad-Aware
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Which type of program would likely be used by investigators to record a potential suspects' Internet activities?
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Keystroke logger
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This type of computer criminal creates and distributes malicious programs.
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cracker
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The most significant concerns for implementation of computer technology involve _______, security, and ethics.
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Privacy
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Which of the following is the most widely used wireless network encryption for home wireless networks?
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WPA2
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Which among the following is a way to shut down an ISP or website?
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Denial of service attack
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These programs record virtually everything you do on your computer and are used by employers to search employee email and computer files.
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Employee-monitoring software
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Most browsers offer this, which ensures that your browsing activity is not recorded on your hard disk.
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Privacy mode
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Free computer games and free screen saver programs are typical carriers of _______.
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Trojan horses
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This uses software to try thousands of common words sequentially in an attempt to gain unauthorized access to a user's account.
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Dictionary attack
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Computer criminals that create and spread viruses are punished under this law.
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Computer Fraud and Abuse Act
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Which among the following is a fraudulent or deceptive act designed to trick individuals on the Internet into spending time or money for little or no return?
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Internet scam
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This law gives you the right to look at your personal records held by government agencies.
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Freedom of Information Act
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A program that replicates itself and clogs computers and networks.
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Worm
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A(n) _______ acts as a security buffer between a corporation's private network and all external networks.
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Firewall
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Which of the following is not a measure to protect computer security?
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Keeping the same password on all systems consistently
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The use of the Internet, smartphones, or other devices to send or post content intended to hurt or embarrass another person.
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Cyberbullying
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The process of coding information to make it unreadable except to those who have a special piece of information known as a key.
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Encryption
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People that collect and sell personal data are called _______.
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information resellers
