Which operator assigns a value to a string?

What is the purpose of the administrative notation section of a policy?

A. To explain terms, abbreviations, and acronyms used in the policy B. To refer the reader to additional information C. To provide the policy version number D. To provide information about policy exceptions

________ is a procedure that allows communicating parties to verify that the contents of a received message have not been altered and that the source is authentic.

A. Identification B. Message authentication C. Verification D. User authentication