Jennifer Nguyen Is Interested in Archiving Several Data Files

question 111

Multiple Choice

Jennifer Nguyen is interested in archiving several data files.She should

• A) use a full backup for each file.
• B) use an incremental backup for each file.
• C) store the data files on media suitable for long-term storage.
• D) use a differential backup for each file and restore each file.

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Definitions:

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect in a given set of observations, used as a starting point for statistical testing against the alternative hypothesis.

Alternative Hypothesis

A statement that suggests a possible difference or effect, typically to be tested against a null hypothesis in statistical analysis.

Null Hypothesis

In statistics, a hypothesis that posits no effect or no difference, and the assumption that any deviations from this are due to chance.

Hypothesis Testing

A method of statistical inference used to decide whether a hypothesis about a parameter in a population is likely to be true, based on sample data.