Q&A Hero

Q: Making sure that the final product meets user and system requirements is the most critical ______________________________ phase.

Q: The proposed system is subject to limits known as ____________________, which are external to the system.

Q: The system's ____________________ defines the extent of the design according to operational requirements.

Q: The company ____________________ describes the general conditions in which a company operates, its organizational structure, and its mission.

Q: The advent of very sophisticated application generators and ____________________ tools has substantially decreased coding and testing time.

Q: After testing is concluded, the final ____________________ is reviewed and printed and end users are trained.

Q: The database contents may be loaded interactively or in ____________________ mode.

Q: An initial assessment of the information flow-and-extent requirements must be made during the ____________________ portion of the SDLC.

Q: The traditional SDLC phases are ____________________, analysis, detailed systems design, implementation, and maintenance.

Q: ____________________ is the process that establishes the need for, and the extent of, an information system.

Q: A(n) ____________________ is a carefully designed and constructed repository of facts that is a part of a larger whole known as an information system.

Q: During decentralized design, after the ____ process has been completed, all modules are integrated into one conceptual model.a. initial b. verification c. conceptuald. logical

Q: There are ____ classical approaches to database design.a. two b. three c. fourd. five

Q: The ____ design is the process of selecting the data storage and data access characteristics of the database.a. time b. network c. logicald. physical

Q: ____ coupling describes the extent to which modules are independent of one another.a. Verification b. Process c. Moduled. Cohesive

Q: The first step in the ER model verification process is to ____. a. identify each module and its components b. identify the ER model's central entity c. verify all processes against the ER model d. identify each module's internal transaction requirements

Q: The first step in developing the conceptual model using ER diagrams is to ____. a. normalize the entities b. complete the initial ER diagram c. identify, analyze, and refine the business rules d. define the attributes, primary keys, and foreign keys for each of the entities

Q: The maintenance and evolution phase of the DBLC involves ____.a. defining objectives b. introducing changes c. testing the databased. installing the DBMS

Q: Once the data has been loaded into the database, the ____ tests and fine-tunes the database for performance, integrity, concurrent access, and security constraints.a. programmer b. manager c. database administratord. systems administrator

Q: ____ allow(s) physical access to areas by authorized personnel only.a. Physical security b. Password security c. Access rights d. Data encryption

Q: The conceptual design step that defines the DBMS and data model to use is ____. a. database analysis and requirements b. ER modeling and normalization c. data-model verification d. distributed database design

Q: The conceptual design step that identifies ER modules and validates insert, update, and delete rules is ____. a. database analysis and requirements b. ER modeling and normalization c. data-model verification d. distributed database design

Q: The conceptual design step that defines entities, attributes, and relationships is ____. a. database analysis and requirements b. entity relationship modeling and normalization c. data model verification d. distributed database design

Q: The conceptual design step that determines end-user views, outputs, and transaction-processing requirements is ____. a. data analysis and requirements b. entity relationship modeling and normalization c. data model verification d. distributed database design

Q: The implementation and loading phase of the DBLC involves ____.a. defining objectivesb. introducing changes c. testing the databased. installing the DBMS

Q: The database initial study phase of the DBLC involves ____.a. defining objectives b. introducing changes c. testing the databased. installing the DBMS

Q: The first step in the DBLC is ____.a. operation b. database initial study c. database designd. implementation and loading

Q: The last step in the DBLC is ____.a. maintenance and evolutionb. operation c. testing and evaluationd. implementation and loading

Q: Producing the required information flow is part of the ____ phase of the DBLC.a. database initial study b. database design c. operationd. testing and evaluation

Q: Testing, fine-tuning, and evaluating the database and its applications are part of the ____ phase of the DBLC.a. database initial study b. database design c. implementation and loadingd. testing and evaluation

Q: Installing the DBMS, creating the database, and loading or converting the data are part of the ____ phase of the DBLC.a. database initial study b. database design c. implementation and loadingd. testing and evaluation

Q: Creating the conceptual design and selecting DBMS software are part of the ____ phase of the DBLC.a. database initial study b. database design c. implementation and loadingd. testing and evaluation

Q: Analyzing the company situation is part of the ____ phase of the DBLC. a. database initial study b. database design c. implementation and loading, testing, and evaluation d. operation

Q: The implementation of ____-produced applications tends to prolong the operational life of systems by making them easier to update and maintain.a. database b. network c. CASEd. design

Q: There are ____ stages in the DBLC.a. four b. five c. sixd. seven

Q: The database is loaded during the ____ phase of the SDLC.a. analysis b. detailed systems design c. implementationd. maintenance

Q: The design of the system's processes is completed during the ____ phase of the SDLC.a. planning b. analysis c. detailed systems designd. implementation

Q: The logical systems design is created during the ____ phase of the SDLC.a. planning b. analysis c. implementationd. maintenance

Q: "What are the requirements of the current system's end users?"is a question asked during the ____ phase of the SDLC.a. planning b. analysis c. implementationd. maintenance

Q: "Should the existing system be replaced?" is a question that is asked during the ____ stage of the SDLC.a. planning b. analysis c. implementationd. maintenance

Q: The SDLC is most important to the ____.a. programmer b. manager c. system designerd. database administrator

Q: Evaluation, maintenance, and enhancement are part of the ____ phase of the SDLC.a. planning b. maintenance c. detailed systems designd. implementation

Q: Installation and fine tuning are part of the ____ phase of the SDLC.a. planning b. analysis c. detailed systems designd. implementation

Q: Coding, testing, and debugging are part of the ____ phase of the SDLC.a. planning b. analysis c. detailed systems designd. implementation

Q: A detailed system specification is part of the ____ phase of the SDLC.a. planning b. analysis c. detailed systems designd. implementation

Q: User requirements, existing system evaluation, and logical system design are part of the ____ phase of the SDLC.a. planning b. analysisc. detailed systems design d. implementation

Q: The initial assessment and the feasibility study are part of the SDLC's ____ phase.a. planning b. analysis c. detailed systems designd. implementation

Q: The traditional SDLC is divided into ____ phases.a. two b. three c. fourd. five

Q: The primary objective of database design is ____. a. to create the most efficient database possible b. to create complete, normalized, nonredundant, and fully integrated conceptual, logical, and physical database models c. to create the fastest queries d. to be able to add data quickly

Q: The process of database design and implementation is ____ development.a. systems b. database c. networkd. transformation

Q: The process of creating an information system is known as ____ development.a. systems b. databasec. network d. transformation

Q: Decentralized design is typical of relatively simple and/or small databases and can be successfully done by a single person.

Q: Physical design becomes simpler when data is distributed at different locations.

Q: The database administrator must be prepared to perform routine maintenance activities within the database.

Q: Performance evaluation is rendered more difficult by the fact that there are standard measurements for database performance.

Q: Database performance is one of the least important factors in all database implementations.

Q: The testing and evaluation phase occurs after applications programming.

Q: Data integrity is enforced by the DBMS through the proper use of primary and foreign key rules.

Q: In most modern relational DBMSs, a new database implementation requires the creation of special storage-related constructs to house the end-user tables.

Q: After the initial declarations in a study, the database designer must carefully probe in order to generate additional information that will help define the problem within the larger framework of company operations.

Q: To analyze the company situation, the database designer must discover what the company's operational components are, how they function, and how they interact.

Q: A system maintenance activity generated in response to changes in the business environment is referred to as corrective maintenance.

Q: Because every request for structural changes requires retracing the SDLC steps, the system is always at some stage of the SDLC.

Q: After testing is concluded, end-user training is not necessary.

Q: During the testing phase, the system is subjected to exhaustive testing until it is ready for use.

Q: During the implementation phase, the hardware, the DBMS software, and application programs are installed and the database design is implemented.

Q: The detailed systems design phase includes all the necessary technical specifications for the screens, menus, reports, and other devices used to make the system more efficient.

Q: Training principles and methodologies are planned during the implementation phase.

Q: In the detailed systems design phase, steps are laid out for conversion from the old system to the new system.

Q: In the detailed systems design phase, the designer starts the design of the system's processes.

Q: The result of analysis should be a better understanding of the system's functional areas, actual and potential problems, and opportunities.

Q: The existing hardware and software systems are studied during the planning phase.

Q: Problems defined during the planning phase are examined in greater detail during the analysis phase.

Q: The SDLC's planning phase yields a general overview of the company and its objectives.

Q: The SDLC provides the big picture within which the database design and application development can be mapped out and evaluated.

Q: The SDLCtraces the history of an information system.

Q: The implementation phase of database design includes creating the database storage structure and loading the database, but does not provide for data management.

Q: The primary objective in database design is to create complete, denormalized, redundant, and fully integrated conceptual, logical, and physical database models.

Q: The term "database development" is used to describe the process of database design and implementation.

Q: Systems analysis is used to determine the need for an information system and to establish its limits.