Data Appended To, or a Cryptographic Transformation Of, a Data

question 30

Multiple Choice

Data appended to, or a cryptographic transformation of, a data unit that allows a recipient of the data unit to prove the source and integrity of the data unit and protect against forgery is a(n) ___________ .

• A) security audit trail
• B) digital signature
• C) encipherment
• D) authentication exchange

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Definitions:

Evaporation

The process by which water changes from a liquid to a vapor or gas, often driven by heat from the sun.

Caves Collapse

The sudden failure and falling in of a cave's ceiling or walls, often due to natural processes such as erosion or the removal of supporting material.

Sinkhole

A depression or hole in the ground caused by the collapse of a surface layer, often due to the dissolution of limestone or other carbonate rock by groundwater.

Dewatered Zone

An area from which significant amounts of water have been removed, often related to geological or artificial processes affecting soil and rock permeability.