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MIS 4330 Exam 2 > Chapter 12 > Flashcards

Chapter 12 Flashcards

1
Q

True/False: A distributed database management system (DDBMS) governs the storage and processing of logically related data over interconnected computer systems.

A

True

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2
Q

True/False: Distributed data access was needed to support geographically dispersed business units

A

True

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3
Q

True/False: Rapid ad hoc data became unnecessary in the quick-response decision-making environment

A

False

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4
Q

True/False: The web is the repository for distributed data

A

True

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5
Q

True/False: Current distributed database management systems (DDBMS) are subject to some problems, such as the complexity of management and control.

A

True

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6
Q

True/False: Distributed processing shares a database’s logical processing among two or more physically independent sites that are connected through a network.

A

True

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7
Q

True/False: One of the advantages of a distributed database management system (DDBMS) is that the data is located near the site with the least demand.

A

False

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8
Q

True/False: One of the advantages of a distributed database management system (DDBMS) is security.

A

False

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9
Q

True/False: Distributed processing does not require a distributed database and a distributed database does not require distributed processing.

A

False

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10
Q

True/False: In order to manage distributed data, copies, or parts of the database processing functions must be distributed to all data storage sites.

A

True

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11
Q

True/False: A database management system (DBMS) must have validation, transformation, and mapping functions, as well as other functions, in order to be classified as distributed.

A

True

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12
Q

True/False: A fully distributed DBMS must perform all functions of a centralized DBMS, and it must handle all necessary functions imposed by the distribution of data and processing.

A

True

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13
Q

True/False: The transaction processor (TP) is the software component found in each computer that requests data.

A

True

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14
Q

True/False: A distributed DDBMS must be communications-media-dependent

A

False

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15
Q

True/False: A TP is the software component residing on each computer that stores and retrieves data located at the site

A

False

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16
Q

True/False: In the single-site processing, single-site data scenario, all processing must be done on the end user’s side of the system

A

False

17
Q

True/False: Performance transparency ensures that the system finds the most cost-effective path to access remote data.

A

True

18
Q

True/False: The level of transparency supported by the distributed database management system remains the same for all systems

A

False

19
Q

True/False: Distribution transparency is supported by a distributed data dictionary

A

True

20
Q

True/False: Distributed database systems do not require complex mechanisms to manage transactions and ensure the DB’s consistency and integrity.

A

False

MIS 4330 Exam 2 (5 decks)

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