If a Distributed Database Network with Data Replication Has One

question 29

Multiple Choice

If a distributed database network with data replication has one node that has a copy of every table in the database ____.

• A) the problem of data concurrency is eliminated
• B) the issue of one site becoming a bottleneck is eliminated
• C) the problem of data security is eliminated
• D) at least one other copy of each table must also be stored elsewhere on the network
• E) the problem of distributed joins is eliminated

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Definitions:

Absolute Value

The distance of a number from zero on the number line, disregarding any sign it might have, making it always a non-negative value.

Budget Line

A visual depiction of every potential mix of two products that a consumer can purchase, considering their income and the cost of these items.

Linear Relationship

A direct relationship between two variables that can be represented by a straight line on a graph.

Vertical

In business and economics, it refers to the integration of various stages of production and distribution under the control of a single company.