Modern Database Management Study Set 2

Computing

Quiz 13 :

Distributed Databases

Quiz 13 :

Distributed Databases

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Data replication allowing for each transition to proceed without coordination is called:
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Answer:

C

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Simple paths to other databases without the benefits of one logical database are called:
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C

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Which of the following is true of data replication?
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C

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Which of the following are business conditions that encourage the use of distributed databases?
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Which of the following environments uses the same DBMS at each node with a central or master DBMS coordinating database access across nodes?
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With a pull strategy of replication, the ________ node determines when a database is updated.
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Which of the following characterizes homogeneous environments?
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All of the following are disadvantages of data replication EXCEPT:
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Which of the following is true of distributed databases?
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One way to generate, store, and forward messages for completed transactions to be broadcast across a network is through the use of:
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Which of the following is true about horizontal partitioning?
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A(n) ________ is a database stored on multiple computers in multiple locations that are NOT connected by a data communications link.
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________ is a design goal for a distributed database, which says a user does not need to know the location of data to use the data.
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________ is an application that can effectively employ snapshot replication in a distributed environment.
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Snapshot replication is most appropriate for:
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Which of the following environments uses a different DBMS at each node and supports local databases for unique data requests?
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________ is a design goal for a distributed database that says a site can independently administer and operate its database.
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A form of distributed database in which all data across a network are kept continuously updated, so a user can access any data anywhere on the network and get the same answer is called a(n) ________ distributed database.
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Replication should be used when:
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Which of the following supports a simple path to other databases, without the benefits of one logical database?
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