While Views Promote Security by Restricting User Access to Data

question 160

Multiple Choice

While views promote security by restricting user access to data, they are not adequate security measures because:

• A) an unauthorized person may gain access to a view through experimentation.
• B) all users can read any view.
• C) a view's data does not change.
• D) views are not possible to create in most DBMS.

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Definitions:

Repolarize

The process of restoring a cell's membrane potential to its resting negative state after depolarization.

Resting Potential

The electrical charge of a neuron when it is not active, representing a state of readiness for activation.

Action Potential

A rapid rise and fall in electrical charge across a neuronal membrane, fundamental for nerve impulse transmission.

Millivolts

A unit of electric potential equal to one thousandth of a volt, often used in measurements of neuron activity.