6178890
Pregunta 1
Pregunta
1) _____ is used to reveal the meaning of data.
Respuesta
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A) Raw facts
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B) Knowledge
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C) Formatting
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D) Information
Pregunta 2
Pregunta
2) Accurate, relevant, and timely information is the key to _____.
Respuesta
-
A) data management
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B) good decision making
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C) knowledge
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D) understanding
Pregunta 3
Pregunta
3) _____ is the body of information and facts about a specific subject.
Respuesta
-
A) Data
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B) Information
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C) Knowledge
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D) A database
Pregunta 4
Pregunta
4) End-user data is ____.
Respuesta
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A) raw facts about the end-user
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B) raw facts of interest to the end-user
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C) data about data
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D) accurate, relevant and timely information
Pregunta 5
Pregunta
5) ____ provide(s) a description of the data characteristics and the set of relationships that link the data found within the database.
Respuesta
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A) Queries
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B) End-user data
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C) Metadata
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D) Information
Pregunta 6
Pregunta
6) The _____ serve(s) as the intermediary between the user and the database.
Respuesta
-
A) DBMS
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B) metadata
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C) end-user data
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D) programming language
Pregunta 7
Pregunta
7) The database structure in a DBMS is stored as a _______.
Respuesta
-
A) file
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B) collection of files
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C) set of key/value pairs
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D) collection of queries
Pregunta 8
Pregunta
8) A(n) _____ might be written by a programmer or it might be created through a DBMS utility program.
Respuesta
-
A) query
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B) operating system
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C) database management system
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D) application program
Pregunta 9
Pregunta
9) _______ exists when different versions of the same data appear in different places.
Respuesta
-
A) Data inconsistency
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B) Data consistency
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C) Better data integration
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D) Improved decision making
Pregunta 10
Pregunta
10) The response of the DBMS to a query is the _____.
Respuesta
-
A) ad hoc query
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B) ad hoc response
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C) query result set
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D) integrated view of the data
Pregunta 11
Pregunta
11) A(n) _______ database is designed to support a company's day-today operations.
Respuesta
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A) desktop
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B) workgroup
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C) enterprise
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D) transactional
Pregunta 12
Pregunta
12) A(n) _______ database is used by an organization and supports many users across many departments.
Respuesta
-
A) desktop
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B) workgroup
-
C) enterprise
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D) transactional
Pregunta 13
Pregunta
13) A(n) ________ database supports a relatively small number of users (usually fewer than 50) or a specific department within an organization.
Respuesta
-
A) desktop
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B) workgroup
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C) enterprise
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D) transactional
Pregunta 14
Pregunta
14) A ______ database supports data distributed across several different sites.
Respuesta
-
A) single-user
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B) multiuser
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C) centralized
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D) distributed
Pregunta 15
Pregunta
15) A workgroup database is a(n) _____ database.
Respuesta
-
A) single-user
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B) multiuser
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C) enterprise
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D) distributed
Pregunta 16
Pregunta
16) A desktop database is a ______ database.
Respuesta
-
A) single-user
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B) multiuser
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C) workgroup
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D) distributed
Pregunta 17
Pregunta
17) Most decision-support data are based on historical data obtained from _____.
Respuesta
-
A) operational databases
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B) data warehouses
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C) enterprise databases
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D) workgroup databases
Pregunta 18
Pregunta
18) The _____ structure is quite different from that of an operational or transactional database.
Respuesta
-
A) data warehouse
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B) workgroup database
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C) enterprise database
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D) distributed database
Pregunta 19
Pregunta
19) _____ data exist in the format in which they were collected.
Respuesta
-
A) Structured
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B) Semistructured
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C) Unstructured
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D) Historical
Pregunta 20
Pregunta
20) _________ data exist in a format that does not lend itself to processing that yields information.
Respuesta
-
A) Structured
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B) Semistructured
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C) Unstructured
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D) Historical
Pregunta 21
Pregunta
21) _______ data are the result of formatting to facilitate storage, use and generation of information.
Respuesta
-
A) Structured
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B) Semistructured
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C) Unstructured
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D) Historical
Pregunta 22
Pregunta
22) Most data you encounter is best classified as _____.
Respuesta
-
A) structured
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B) semistructured
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C) unstructured
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D) historical
Pregunta 23
Pregunta
23) Which of the following is an example of structured data?
Respuesta
-
A) A Web page
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B) An e-mail
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C) A memo
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D) A spreadsheet
Pregunta 24
Pregunta
24) XML data is ______.
Respuesta
-
A) structured
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B) multistructured
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C) unstructured
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D) semistructured
Pregunta 25
Pregunta
25) The organization of the data within the folders in a manual file system was determined by _______.
Respuesta
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A) the date of creation
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B) its expected use
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C) the title of the documents in the folder
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D) the data processing specialist
Pregunta 26
Pregunta
26) A ______ is a logically connected set of one or more fields that describes a person, place, or thing.
Respuesta
-
A) database
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B) column
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C) record
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D) file
Pregunta 27
Pregunta
27) A ______ is a collection of related records.
Respuesta
-
A) database
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B) field
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C) column
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D) file
Pregunta 28
Pregunta
28) A _____ is a character or group of characters that has a specific meaning.
Respuesta
-
A) database
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B) field
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C) record
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D) file
Pregunta 29
Pregunta
29) The phrase ______ refers to an organization of components that define and regulate the collection, storage, management and use of data within a database environment.
Respuesta
-
A) database management system
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B) database management
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C) management system
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D) database system
Pregunta 30
Pregunta
30) _______ relates to the activities that make the database perform more efficiently in terms of storage and access speed.
Respuesta
-
A) Performance tuning
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B) Database design
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C) Query access
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D) Database management
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