6278085
Pregunta 1
Pregunta
1.A DBMS facilitates ____.
Respuesta
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A) interpretation and presentation of data in useful formats
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B) destruction of data and information to the right people at the right time
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C) data presentation and data usage monitoring for adequate periods of time
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D) automatic auditing of all data changes
Pregunta 2
Pregunta
2. At the level of middle management, the database must be able to ____.
Respuesta
-
A) represent and support the company operations as closely as possible
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B) deliver the data necessary for tactical decisions and planning
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C) produce query results within specified performance levels
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D) provide access to external and internal data to identify growth opportunities and to chart the direction of such growth
Pregunta 3
Pregunta
3.When introducing a database into an organization, a(n) ____ impact is likely because the database approach creates a more controlled and structured information flow and thus affects people, functions, and interactions.
Respuesta
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A) cultural
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B) managerial
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C) technical
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D) operational
Pregunta 4
Pregunta
4.The person responsible for the control of the centralized and shared database is the database ____.
Respuesta
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A) analyst
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B) administrator
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C) programmer
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D) user
Pregunta 5
Pregunta
5.It is common practice to define the DBA function by dividing the DBA operations according to the____ phases.
Respuesta
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A) SLA
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B) DBLC
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C) SDLC
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D) MRA
Pregunta 6
Pregunta
6.There is a growing trend toward ____ in the data-management function.
Respuesta
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A) cross-training
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B) encapsulation
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C) specialization
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D) centralization
Pregunta 7
Pregunta
7.The ____ administrator is responsible for strategic planning.
Respuesta
-
A) system
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B) data
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C) database
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D) program
Pregunta 8
Pregunta
8.The DBA’s ____ role is focused on personnel management and on interactions with the end-user community.
Respuesta
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A) administrative
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B) arbitration
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C) technical
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D) managerial
Pregunta 9
Pregunta
9. As a manager, the DBA must concentrate on the ____ dimensions of the database administration function.
Respuesta
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A) control and planning
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B) conflict and problem-resolution
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C) policies and standards
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D) security and privacy
Pregunta 10
Pregunta
10.The DBA’s ____ role covers activities involving the use of the DBMS.
Respuesta
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A) administrative
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B) arbitration
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C) technical
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D) managerial
Pregunta 11
Pregunta
11.____ are general statements of direction or action that communicate and support DBA goals.
Respuesta
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A) standards
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B) policies
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C) documentation
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D) procedures
Pregunta 12
Pregunta
12.____ are more detailed and specific than policies and describe the minimum requirements of a given DBA activity.
Respuesta
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A) guidelines
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B) standards
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C) procedures
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D) documentation
Pregunta 13
Pregunta
13.____ are written instructions that describe a series of steps to be followed during the performance of a given activity.
Respuesta
-
A) policies
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B) standards
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C) documentation
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D) procedures
Pregunta 14
Pregunta
14.“All users must have passwords” is an example of a ____.
Respuesta
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A) rule
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B) policy
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C) standard
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D) procedure
Pregunta 15
Pregunta
15.Instructions to create a password are an example of a ____.
Respuesta
-
A) rule
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B) policy
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C) standard
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D) procedure
Pregunta 16
Pregunta
16. The ____ is responsible for ensuring database security and integrity.
Respuesta
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A) database programmer
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B) systems analyst
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C) data administrator
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D) database security office
Pregunta 17
Pregunta
17.Procedures and standards must be revised at least ____ to keep them up-to date.
Respuesta
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A) weekly
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B) monthly
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C) every six months
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D) annually
Pregunta 18
Pregunta
18.Current data distribution philosophy makes it easy for ____end users to access the database.
Respuesta
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A) limited
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B) unauthorized
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C) authorized
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D) any
Pregunta 19
Pregunta
19.A(n) ____ plan is a set of instructions generated at application compilation time that predetermine show the application will access the database at run time.
Respuesta
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A) access
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B) completion
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C) application
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D) communications
Pregunta 20
Pregunta
20.____activities cover all tasks directly related to the day-to-day operations of the DBMS and its applications.
Respuesta
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A) Backup and recovery
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B) system support
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C) performance monitoring and tuning
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D) security auditing and monitoring
Pregunta 21
Pregunta
21.____deals with ensuring that data is protected against unauthorized access, and if the data are accessed by an authorized user, that the data are used only for an authorized purpose.
Respuesta
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A) integrity
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B) compliance
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C) availability
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D) confidentiality
Pregunta 22
Pregunta
22.____ security breaches include database access by computer viruses and by
hackers whose actions are designed to destroy or alter data.
Respuesta
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A) Dangerous
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B) Preserving
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C) Corrupting
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D) Authorized
Pregunta 23
Pregunta
23.____ management is designed to limit access to the database.
Respuesta
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A) Authorization
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B) User access
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C) View
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D) DBMS utility
Pregunta 24
Pregunta
24. Some common physical security practices found in large database installations include secured entrances, password-protected workstations, ____, closed-circuit video, and voice-recognitiontechnology.
Respuesta
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A) drug testing
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B) fingerprinting
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C) electronic personnel badges
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D) retina scans
Pregunta 25
Pregunta
25.User-access management is a subset of ____.
Respuesta
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A) password protection
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B) authorization management
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C) data integrity
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D) managerial control
Pregunta 26
Pregunta
26.Classifying users into ____ according to common access needs facilitates the DBA’s job of controlling and managing the access privileges of individual users.
Respuesta
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A) user groups
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B) sections
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C) authorization schemes
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D) policy definitions
Pregunta 27
Pregunta
27.Several DBMS packages contain features that allow the creation of a(n) ____, which automatically records a brief description of the database operations performed by all users.
Respuesta
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A) change tracker
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B) digital footprint
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C) paper trail
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D) audit log
Pregunta 28
Pregunta
28.A(n) ____ data dictionary is automatically updated by the DBMS with every database access.
Respuesta
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A) dynamic
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B) active
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C) passive
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D) static
Pregunta 29
Pregunta
29.A(n) ____ data dictionary is not updated automatically and usually requires a batch process to be run.
Respuesta
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A) active
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B) passive
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C) static
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D) dynamic
Pregunta 30
Pregunta
30.____ CASE tools provide support for the planning, analysis, and design phases.
Respuesta
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A) Front-end
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B) Back-end
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C) Vertical
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D) Horizontal
Pregunta 31
Pregunta
31.____ CASE tools provide support for the coding and implementation phases.
Respuesta
-
A) Front-end
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B) Back-end
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C) Vertical
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D) Horizontal
Pregunta 32
Pregunta
32.The ____ component of a CASE tool produces the information system’s input/output formats.
Respuesta
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A) analysis
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B) graphics
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C) program document generator
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D) screen painter and report generator
Pregunta 33
Pregunta
33.____ allows for the translation of the company’s strategic goals into the data and applications that will help the company achieve those goals.
Respuesta
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A) Access Management
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B) Business Intelligence
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C) Information engineering (IE)
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D) MOLAP
Pregunta 34
Pregunta
34.A(n) ____ serves as the basis for planning, development, and control of future information systems.
Respuesta
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A) access plan
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B) active data dictionary
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C) information systems architecture (ISA)
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D) security policy
Pregunta 35
Pregunta
35.A(n) ____ is a logical storage space in Oracle.
Respuesta
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A) audit log
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B) datafile
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C) schema
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D) tablespace
Pregunta 36
Pregunta
36.In the Oracle Enterprise Manager, a ____ is basically any object created by end users; for example, tables, views, indexes, stored procedures, and triggers.
Respuesta
-
A) component
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B) database object
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C) policy
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D) role
Pregunta 37
Pregunta
37.A ____ is a uniquely identifiable object that allows a given person to log on to the database.
Respuesta
-
A) user
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B) role
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C) profile
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D) manager
Pregunta 38
Pregunta
38.A ____ is a named collection of database access privileges that authorize a user to connect to the database and use the database system resources.
Respuesta
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A) user
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B) role
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C) profile
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D) manager
Pregunta 39
Pregunta
39.A ____ is a named collection of settings that control how much of the database resource a given user can use.
Respuesta
-
A) user
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B) role
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C) profile
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D) manager
Pregunta 40
Pregunta
40.One of the important functions provided by the database ____ is to reserve the resources that must be used by the database at run time.
Respuesta
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A) security component
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B) authorization manager
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C) initialization parameters
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D) administrator
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