Your Boss Is Concerned with Losing Data in the Event

question 345

Multiple Choice

Your boss is concerned with losing data in the event of a natural disaster. To prevent data loss, you recommend to him that a ________ of the database should be made on a regular schedule.

• A)compaction
• B)backup
• C)substitute
• D)compression

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Definitions:

Exponential Smoothing

A time series forecasting method for univariate data that involves using weighted averages of past observations, with the weights decreasing exponentially as the observations get older.

Solver

A computational tool or software that finds solutions to mathematical problems or optimizes operational models.

Alpha

In finance, alpha is the measure of the active return on an investment compared to a market index used as a benchmark.

Solver

A mathematical tool used to find the optimal solution to a problem by iteratively testing possible solutions.