Question: Executives in your organization exchange emails with external business partners when negotiating valuable business contracts. To ensure that these communications are legally defensible, the security team has recommended that a digital signature be added to these message.

1. integrity and non-repudiation
2. privacy and non-repudiation
3. privacy and confidentiality
4. integrity and privacy

Answer: The correct answer of the above question is Option A:integrity and non-repudiation