Understanding Cisco Cybersecurity Fundamentals (SECFND, legacy) — Question 39

Which statement about the Diffie-Hellman Key Agreement is true?

Answer options

• A. The higher the Diffie-Hellman group number indicates a smaller key size.
• B. The higher the Diffie-Hellman group number indicates a larger key size.
• C. The higher the Diffie-Hellman group number indicates no difference in processing requirements.
• D. The higher the Diffie-Hellman group number indicates a smaller prime number (p).

Correct answer: B

Explanation

The correct answer is B because a higher Diffie-Hellman group number corresponds to a larger key size, enhancing security. Option A is incorrect as it suggests the opposite relationship, while options C and D do not accurately reflect the implications of the group number on key size and prime number size respectively.