Q&A Hero

Q: Conducting classes over the Web with no physical class meetings is called content streaming. a. True b. False

Q: A mashup is a program to combine two or more Web applications into a new service. a. True b. False

Q: Extensible Markup Language (XML) is used within a Web page to describe and transfer data between Web service applications. a. True b. False

Q: Extensible Markup Language (XML)is the standard page description language for Web pages. a. True b. False

Q: In cloud computing, software and storage are accessed without a Web browser. a. True b. False

Q: Client/server architecture refers to a computing environment where software and storage are provided as an Internet service and accessed with a Web browser. a. True b. False

Q: 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. a. True b. False

Q: An IP address is a 32-bit numberthat identifies a computer on the Internet. a. True b. False

Q: The Internet2offers the potential of faster Internet speedsup to 10 Gbps or more. a. True b. False

Q: A router is a network device that serves as an entrance to another network. a. True b. False

Q: 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. a. True b. False

Q: Servers are equipped with operating system software to manage the activities of a network. a. True b. False

Q: With decentralized processing, processing devices are placed at remotelocations but are connected to each other via a network. a. True b. False

Q: A local area network(LAN) can be used to connect a laptop, digital camera, and portable printer without cables. a. True b. False

Q: 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. a. True b. False

Q: A switch is a communications system that manages both voice and data transfer within a building and to outside lines. a. True b. False

Q: Organizations can use networks to share hardware, programs, and databases. a. True b. False

Q: 5G is a term used to identify the next major phase of mobile telecommunications standards beyond 4G. a. True b. False

Q: A geostationary satellite orbits the earth in a very low orbit at an altitude of less than 1,000 miles. a. True b. False

Q: Microwave is a high-frequency radio signal (300 MHz"300 GHz) sent through atmosphere and space. a. True b. False

Q: Near field communication (NFC) is a guided transmission media type. a. True b. False

Q: Transmission media can be divided into two broad categories: guided transmission media and wireless. a. True b. False

Q: A telecommunications protocol is any material substance that carries an electronic signal to support communications between a sending and receiving device. a. True b. False

Q: Telecommunications is changing the nature of commerce itself. a. True b. False

Q: Briefly describe the relational database model.

Q: Differentiate between the traditional and database approach to data management.

Q: Briefly describe the hierarchy of data.

Q: _____ is one aspect of business intelligence and encompasses information about competitors and the ways that knowledge affects strategy, tactics, and operations.

Q: _____ are quantifiable measurements that assess progress toward organizational goals and reflect the critical success factors of an organization.

Q: One of the best ways to gain insights into data is through _____ techniques that can help quickly draw conclusions and see relationships among the data.

Q: The key element in predictive analytics is the _____, one or more variables that can be measured for an individual to predict future behavior.

Q: A(n) ______ is an individual who is expected to have a clear understanding of the fundamental business of an organization, be proficient in the use of selected database management systems, and stay abreast of emerging technologies and new design approaches.

Q: _____ lets programmers learn one powerful query language and use it on systems ranging from PCs to the largest mainframe computers.

Q: The _____ is a specific language, providedwith a database management system (DBMS), which allows users toaccess and modify the data, to makequeries, and to generate reports.

Q: _____ is a method ofdealing with a situation in which two ormore users or applications need toaccess the same record at the sametime.

Q: A(n) _____ is a detailed description of all data used in a database.

Q: A(n) _____ is designed to store and retrieve data in a manner that does not rigidly enforce the atomic conditions associated with the relational database modelin order toprovide faster performance and greaterscalability.

Q: Small, midsize, and large businesses need _____ databasemanagement systems (DBMSs) to share information throughout the organization over a network.

Q: _____ is the process of detecting and then correcting or deleting incomplete, incorrect, inaccurate, irrelevant records that reside in a database.

Q: In the context of relational database model, _____ involves eliminating columns in a table.

Q: In a relational database model, the range of allowablevalues for a data attribute is called its _____.

Q: In the relational database model, each row in a table represents a(n) _____.

Q: The _____ is a simple buthighly useful way to organize data intocollections of two-dimensional tablescalled relations.

Q: ______ use basic graphical symbols to show an organization of and relationships between data.

Q: _____ is an approach to data management where multiple information systems share a pool of related data.

Q: The specific value of an attribute, called a(n) _____, can be found in the fields of a record describing an entity.

Q: A(n) _____ is a characteristic of an entity.

Q: Together, bits, characters, fields, records, files, anddatabases form the _____.

Q: A collection of related records is called a(n) _____.

Q: _____ fields include the total, average, maximum, and minimum value.

Q: A(n) ______ consists of a group of programs that manipulate the database and provide an interface between the database and its users and other application programs.

Q: A(n) ______ is an individual responsible for defining and implementing consistent principles for a variety of data issues.

Q: The term _____ describes the steps an organization takes to protect information sought by "hostile" intelligence gathers.a. data loss prevention b. trade secretc. counterintelligence d. competitive intelligence

Q: A business intelligence dashboard is a _____ tool that displays the current status of the key performance indicators(KPIs) for an organization.a. online analytical processing b. data miningc. data visualization d. predictive analysis

Q: _____ is a data visualization technique in which data is represented as networks where the vertices are the individual data points and the edges are the connections among them.a. Entity graph analysis b. Performance analysisc. Social graph analysis d. Predictive analysis

Q: _____ is a form of data mining thatcombines historical data with assumptions about future conditions to forecast the outcomes of events.a. Business intelligence b. Social graph analysisc. Online analytical processing d. Predictive analysis

Q: ______ is a form of database processing that supports top-down, query-driven data analysis.a. Social graph analysis b. Online analytical processingc. Data warehousing d. Data mining

Q: _____ is an information-analysis tool that involves the automated discovery of patterns and relationships in a data warehouse.a. Data mining b. Counterintelligencec. Competitive intelligence d. Enterprise data modeling

Q: A _____ is a subset of a data warehousethat is used by small- andmedium-sized businesses and departmentswithin large companies to supportdecision making.a. data dictionary b. data modelc. data mart d. data mine

Q: Data warehouses allow managers to _____ to get increasing levels of detail about business conditions.a. roll up b. drill downc. slice and dice d. extract data

Q: _____ is the term used to describe enormous and complex data collections that traditional data management software, hardware, and analysis processes are incapable of dealing with them.a. Data warehouse b. Datamartc. Big data d. Knowledge base

Q: With _____, the database is stored on a service provider's server and accessed by the client over a network, typically the Internet.a. Internet access b. Database as a Servicec. Software as a Service d. Oracle

Q: Some databases use ______, which is a visual approach to developing queries and requests.a. Query by Example (QBE) b. user viewsc. structured query language (SQL) d. data manipulation language (DML)

Q: One of themost effective counterintelligence measures is to define _____ informationrelevant to a company and control its dissemination.a. grapevine b. trade secretc. public d. data loss

Q: A ______ is a collection of instructions and commands used to define and describe data and relationships in a specific database.a. data dictionary b. schemac. data definition language d. database manipulation language

Q: A _____ is a description that involves "telling" the database management system (DBMS)the logical and physical structure of the data and the relationships among the data for each user.a. diagram b. modelc. schema d. register

Q: _____ databases rely upon concurrency control by locking database records to ensure that other transactions do not modify the database until the first transaction succeeds or fails, and as a result, can suffer from slow performance.a. Query by Example (QBE) b. Accessc. Structured Query Language (SQL) d. Data manipulation language (DML)

Q: A(n) _____ is a simple database program whose records have no relationship to one another.a. flat file b. schemac. relational system d. user view

Q: In a relational database,_____ is the ability to combine two or more tables through common data attributes to form a new table with only the unique data attributes.a. linking b. joiningc. combining d. selecting

Q: Basic data manipulations include _____ that involves eliminating rows in a relational database according to certain criteria.a. selecting b. joiningc. projecting d. linking

Q: _____ is an approach that starts by investigating the general data and information needs of the organization at the strategic level and then examines more specific data and information needs for the functional areas and departments within the organization.a. Enterprise data modeling b. Social graph analysisc. Data selecting d. Data cleansing

Q: _____ is an approach to data management whereby each distinct operational system uses data files dedicated to that system.a. Company approach to data management b. Database approach to data managementc. Enterprise approach to data management d. Traditional approach to data management

Q: A(n) _____ is s field or set of fields in a record that uniquely defines the record.a. attribute b. entityc. primary key d. data item

Q: A(n) _____ is a person, place, or thing (object) for which data is collected, stored, and maintained.a. entity b. recordc. field d. character

Q: A(n) _____ is typically a name, number, or combination of characters that describes an aspect of a business object or activity.a. field b. attributec. record d. file

Q: A(n) _____ is a basic building block of most information, consisting of upper-case letters, lowercase letters, numeric digits, or special symbols.a. entity b. bytec. bit d. character

Q: Which of the following statements is true of a database?a. It is accessed primarily for use by an organization's database administrator and data administrator. b. It provides an essential foundation for an organization's knowledge management and artificial intelligence systems.c. It is a collection of unstructured data. d. It helps companies analyze information toopen new market opportunities.

Q: One of the most effective competitive intelligence measures is to define "trade secret" information relevant to a company and control its dissemination. a. True b. False

Q: Business intelligence is gained through industrial espionage and the gathering of this information often includes illegal or unethical means. a. True b. False

Q: A business intelligence dashboard cannot be tailored to display metrics targeted for a single point or department. a. True b. False