Eric Hatch ISYS Test 2 – Flashcards
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____ means that a system must prevent disclosing information to anyone who is not authorized to access it.
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Confidentiality
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____ refers to the accuracy of information resources within an organization.
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Integrity
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____ means that computers and networks are operating and authorized users can access the information they need.
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Availability
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Level 1 security involves ____.
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Front-End servers
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Level 2 security involves ____.
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Back-end systems
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Level 3 security involves ____.
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Corporate networks
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Which of the following is considered an intentional threat?
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Social Engineering
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A ____ travels from computer to computer in a network, but it does not usually erase data.
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Worm
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A logic bomb is a type of ____.
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Trojan Program
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A ____ is a programming routine built into a system by its designer or programmer.
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Backdoor
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A ____ attack floods a network or server with service requests to prevent legitimate users' access to the system.
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Denial-of-Service
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A ____ attack typically targets Internet servers.
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Denial-of-Service
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____ take advantage of the human element of security systems.
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Social Engineering Attacks
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____ security measures use a physiological element to enhance security measures.
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Biometric
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Which of the following is a biometric security measure?
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Signature Analysis
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Which of the following is a nonbiometric security measure?
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Firewalls
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A(n) ____ is software that acts as an intermediary between two systems.
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Proxy server
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____ are usually placed in front of a firewall and can identify attack signatures and trace patterns.
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Intrusion detection systems
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Which of the following is a physical security measure?
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Electronic trackers
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Which of the following is a type of access control?
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Passwords
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A(n) ____ is often used so remote users have a secure connection to the organization's network.
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Virtual private network
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Typically, an organization leases the media used for a VPN on a(n) ____ basis.
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as-needed
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Data encryption transforms data into a scrambled form called ____.
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Ciphertext
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____ is a commonly used encryption protocol that manages transmission security on the Internet.
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Secure Sockets Layer
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____ ensures data security and integrity over public networks, such as the Internet.
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Transport Layer Security
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____ encryption uses a public key known to everyone and a private key known only to the recipient.
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Asymmetric
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In ____ encryption, the same key is used to encrypt and decrypt the message.
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Symmetric
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Many organizations now follow the ____ model to form teams that can handle network intrusions and attacks quickly and effectively.
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CERT
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The main function of the ____ model is to provide information on security incidents, including information systems' vulnerabilities, viruses, and malicious programs.
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CIRC
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____ outlines procedures for keeping an organization operational in the event of a natural disaster or network attack.
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Business continuity planning
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A ____ plan lists the tasks that must be performed to restore damaged data and equipment.
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Disaster recovery
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The amount of data that can be transferred from one point to another in one second is called ____.
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Bandwidth
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In _____ data transmission, multiple pieces of data are sent simultaneously.
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Broadband
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____ cables are thick cables that can be used for both data and voice transmissions.
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Coaxial
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____ cables are glass tubes surrounded by concentric layers of glass, called "cladding," to form a light path through wire cables.
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Fiber-optic
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____ media operate on line-of-sight.
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Terrestrial microwave
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In ____ processing, each department has its own computer for performing processing tasks.
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Decentralized
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The ____ layer of the OSI model serves as the window through which applications access network services.
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Application
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The _____ layer of the OSI model formats message packets.
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Presentation
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The ____ layer of the OSI model generates the receiver's address and ensures the integrity of messages by making sure packets are delivered without error, in sequence, and with no loss or duplication.
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Transport
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The ____ layer of the OSI model specifies the electrical connections between computers and the transmission medium, and is primarily concerned with transmitting binary data, or bits over a communication network
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Data Link
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Another name for a network interface card is a(n) ____.
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Adapter Card
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LANs are used most often to ____.
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intergate services, such as e-mail and file sharing
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A network ____ represents a network's physical layout.
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Topology
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In a bus topology, ____ are used at each end of the cable to absorb the signal.
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Terminators
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A hierarchical topology is also called a ____ topology.
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Tree
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Traditional mainframe networks use a ____ topology.
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Hierarchical
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A ____ is a hardware device that allows several nodes to share one communication channel.
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Multiplexer
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The ____ topology is costly and difficult to maintain and expand.
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Mesh
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The Transmission Control Protocol (TCP) operates at the OSI model's ____ layer.
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Transport
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The process of deciding which path the data takes on a network is called ____.
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Routing
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A routing table lists ____.
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nodes on a network
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A ____ router can build tables that identify addresses on each network.
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Dynamic
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What is the first step in client/server communication?
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The user creates a query
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____ scaling refers to adding more workstations (clients).
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Horizontal
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The most common n-tier architecture involves ____ tiers.
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Three
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A ____ network is a network operating on a radio frequency (RF), consisting of radio cells, each served by a fixed transmitter.
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Mobile
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____ is using a cellular phone outside of a carrier's limited service area.
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Surfing
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In the context of the technologies developed to improve the efficiency and quality of digital communications, ____ divide(s) each channel into six time slots.
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Time Division Multiple Access (TDMA)
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Within the ____ technique for wireless security, a user's computer and the AP use a master key to negotiate for a key that will be used for a session.
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Wi-Fi Protected Access 2
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In data communication, ____ refers to integrating voice, video, and data so that multimedia information can be used for decision making.
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Convergence
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The Internet started in ____.
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1969
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Documents that include embedded references to audio, text, images, video, and other documents are called ____.
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Hypermedia
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A(n) ____ is the address of a document or site on the Internet.
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URL
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The ____ denotes the type of organization or country the address specifies.
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TLD
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In the URL, http://www.csub.edu/~hbidgoli/books.html, ____ represents the name of the directory in which files are stored.
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~hbidgoli
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Symmetric DSL usually has an upstream rate of ____ Mbps.
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1.5
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Microsoft Internet Explorer (IE), Mozilla Firefox, Google Chrome, Apple Safari, and Opera are examples of ____.
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URLs
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Google.com, Bing.com, and Ask.com are examples of ____.
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Search engines
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Which of the following protocols is used to send e-mails?
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SMTP
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Which of the following protocols is used for retrieving messages?
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POP
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____ are usually formed for people to exchange opinions and ideas on a specific topic, usually of a technical or scholarly nature.
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Discussion groups
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Which of the following protocols is used for Internet telephony?
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VolP
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____ is also called a corporate portal.
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An intranet
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Which of the following is true of the Internet?
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It has less security measures than an intranet.
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The Federal Express Tracking System allows customers to enter a package's tracking number and locate any package still in the system as well as prepare and print shipping forms, get tracking numbers, and schedule pickups. Federal Express is an example of a(n) ____.
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Extranet
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A(n) ____ is a journal or newsletter that is updated frequently and intended for the general public.
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Blog
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A(n) ____ is a type of Web site that allows users to add, delete, and sometimes modify content.
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Wiki
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____ are Web sites that allow users to connect with friends, family, and colleagues online as well as meet people with similar interests or hobbies.
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Social Networking sites
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A(n) ____ is an electronic audio file that is posted on the Web for users to download to their mobile devices or computers.
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Podcast
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The Internet2 (I2) project started in ____.
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1987
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Another term that is use interchangeably with e-commerce is ____.
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e-business
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____ introduced the value chain concept.
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Michael Porter
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____ is a supporting activity in the value chain.
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Technological development
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E-commerce fulfills the product information activity using ____.
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Web Sites
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"____" means all market participants can trade at the same price.
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Price Transparency
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Using the ____ model transfers the old retail model to the e-commerce world by using the medium of the Internet.
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Merchant
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Using the ____ model brings sellers and buyers together on the Web and collects commissions on transactions between these parties.
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Brokerage
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E-commerce sites that use the ____ model collect information on consumers and businesses and then sell this information to other companies for marketing purposes.
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Informediary
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E-commerce sites that use the _____ model collect data on consumers and businesses and then sell this data to other companies for marketing purposes.
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informediary
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____ is a pure-play company.
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Amazon.com
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____ is a major player in B2B e-commerce.
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Walmart
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____ is a site that facilitates C2C e-commerce.
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eBay
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Crisis response is an example of a ____ e-government application.
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government-to-government
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E-training for government officials is an example of a ____ application.
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government-to-employee
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E-procurement is an example of the ____ B2B e-commerce model.
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seller-side marketplace
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The main objective of ____ is to prevent purchases from suppliers that are not on the approved list of sellers and eliminate the processing costs of purchases.
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e-procurement
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A ____ generates revenue from the fees charged for matching buyers and sellers.
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third-party exchange market-places
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A ____ market concentrates on a specific function or business process and automates this function or process for different industries.
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Horizontal
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Mobile commerce (m-commerce) is based on the ____ protocol.
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wireless application
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____ refers to money or scrip that is exchanged only electronically.
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Electronic payment
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____ usually works with a smart card.
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e-cash
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An ____ is available for most handheld devices that stores personal and financial information, such as credit card numbers, passwords, and PINs.
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e-wallet
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____ is a popular on-line payment system used on many on-line auction sites.
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PayPal
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Which term describes one user viewing one ad?
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Ad impression
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_____ display ads appear on top of a browser window, blocking the user's view.
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Pop-up
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Which of the following terms is computed by dividing the number of clicks an ad gets by the total impressions bought?
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Click-through rate (CTR)
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____ is an application of artificial intelligence that can be used for Web marketing.
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Intelligent agents
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With ____ technology, information is sent to users based on their previous inquiries, interests, or specifications.
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Push
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____ is a method for improving the volume or quality of traffic to a Web site.
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Search engine optimization
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A Web page displayed when the user first visits the site is called _____.
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Splash screen
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