Certified Network Defender (CND) — Question 90

Simran is a network administrator at a start-up called Revolution. To ensure that neither party in the company can deny getting email notifications or any other communication, she mandates authentication before a connection establishment or message transfer occurs. What fundamental attribute of network defense is she enforcing?

Answer options

• A. Integrity
• B. Non-repudiation
• C. Confidentiality
• D. Authentication

Correct answer: B

Explanation

The correct answer is B, Non-repudiation, as it ensures that parties cannot deny their involvement in communication, which is what Simran aims to achieve. Options A (Integrity) and C (Confidentiality) focus on data protection aspects, while D (Authentication) is a process that leads to non-repudiation but does not directly address the denial of receipt.