Two Users Need to Send Each Other Emails Over Unsecured

question 714

Multiple Choice

Two users need to send each other emails over unsecured channels. The system should support the principle of non-repudiation. Which of the following should be used to sign the user's certificates?

• A) RA
• B) CA
• C) CRL
• D) CSR

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Definitions:

Order-Relevant Principle

involves the idea that the sequence or arrangement of elements or events can significantly affect understanding, memory, or perception.

Abstraction Principle

A concept in computer science and mathematics where specific instances are generalized to a set of properties or behaviors, facilitating generality and reuse.

Vai People

An ethnic group predominantly found in Liberia, known for their unique syllabary writing system.

Literacy

The ability to read, write, understand, and communicate using text.