6277974
Pregunta 1
Pregunta
1.The DBMS must provide tools that give each level of management a different view of the data and support the required level of decision-making.
Respuesta
- True
- False
Pregunta 2
Pregunta
2.An enterprise database can be defined as the company's data representation that provides support for all present and expected future operations
Respuesta
- True
- False
Pregunta 3
Pregunta
3.Having a computerized DBMS guarantees that the data will be properly used to provide the best solutions required by managers.
Respuesta
- True
- False
Pregunta 4
Pregunta
4.The introduction of a DBMS represents a big change and challenge, and is likely to have a profound impact throughout the organization.
Respuesta
- True
- False
Pregunta 5
Pregunta
5.The DBA interacts with the end user by providing data and information support services to the organization’s departments.
Respuesta
- True
- False
Pregunta 6
Pregunta
6.The security, privacy, and integrity of the data in the database are of minimal concern to DBAs who manage current DBMS installations.
Respuesta
- True
- False
Pregunta 7
Pregunta
7.Disaster management includes all the end-user activities designed to secure data availability following a physical disaster or a database integrity failure.
Respuesta
- True
- False
Pregunta 8
Pregunta
8.A full backup, or database dump, produces a complete copy of the entire database.
Respuesta
- True
- False
Pregunta 9
Pregunta
9.Incremental backups produce a backup of all data.
Respuesta
- True
- False
Pregunta 10
Pregunta
10.Concurrent backups take place while the user is working on the database.
Respuesta
- True
- False
Pregunta 11
Pregunta
11.Backups must be clearly identified through detailed descriptions and date information, assuring that the correct backup is used to recover the database.
Respuesta
- True
- False
Pregunta 12
Pregunta
12.The storage locations for multiple backups must include sites inside and outside the organization.
Respuesta
- True
- False
Pregunta 13
Pregunta
13.Physical protection of hardware and software must be accomplished by the use of open installations with restricted area access.
Respuesta
- True
- False
Pregunta 14
Pregunta
14.The DBA or security officer must secure an insurance policy to provide financial protection in the event of a database failure.
Respuesta
- True
- False
Pregunta 15
Pregunta
15.The DBA is responsible for ensuring that the data are distributed to the right persons, at the right time, and in the right format.
Respuesta
- True
- False
Pregunta 16
Pregunta
16.The end user’s role requires a broad understanding of DBMS functions, configuration, programming languages, data modeling and design methodologies, and so on.
Respuesta
- True
- False
Pregunta 17
Pregunta
17.The DBA must supervise the installation of all software and hardware designated to support the data administration strategy, must have a thorough understanding of the components being installed, and must be familiar with the installation, configuration, and startup procedures of such components.
Respuesta
- True
- False
Pregunta 18
Pregunta
18.The DBA function provides data modeling and design services to the enduser community, often through coordination with an application development group within the data-processing department.
Respuesta
- True
- False
Pregunta 19
Pregunta
19.The DBA works with managers to ensure the quality and integrity of database design and transactions.
Respuesta
- True
- False
Pregunta 20
Pregunta
20.The end user must provide testing and evaluation services for all the database and DBA applications.
Respuesta
- True
- False
Pregunta 21
Pregunta
21.Testing procedures and standards must already be in place before any application program can be approved for use in the company.
Respuesta
- True
- False
Pregunta 22
Pregunta
22.System support activities cover all tasks directly related to the day-to-day operations of a DBMS and its applications.
Respuesta
- True
- False
Pregunta 23
Pregunta
23.The allocation of storage resources is determined when the DBMS is created.
Respuesta
- True
- False
Pregunta 24
Pregunta
24.Training people to use the DBMS and its tools is not included in the DBA’s technical activities.
Respuesta
- True
- False
Pregunta 25
Pregunta
25.The maintenance activities of the DBA are an extension of the operational activities.
Respuesta
- True
- False
Pregunta 26
Pregunta
26.Security breaches can yield a database whose integrity is either preserved or corrupted.
Respuesta
- True
- False
Pregunta 27
Pregunta
27.Protecting the data in the database is a function of authorization management.
Respuesta
- True
- False
Pregunta 28
Pregunta
28.The DBA must define data views to protect and control the scope of the data that are accessible to an authorized user.
Respuesta
- True
- False
Pregunta 29
Pregunta
29.Database access can be controlled by placing limits on the use of the DBMS’s query and reporting tools.
Respuesta
- True
- False
Pregunta 30
Pregunta
30.The DBA can use an audit log to automatically record a brief description of the database operations performed by the users.
Respuesta
- True
- False
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