Your organization recently obtained a contract with the U.S. Department of Defense (DoD). As part of this contract, your organization will be exchanging confidential data with the DoD. Management has requested that you implement the most secure encryption scheme available for these data exchanges. Which scheme should you implement?
a. concealment cipher
b. symmetric algorithm
c. one-time pad
d. asymmetric algorithm
Answer: C. Explanation: A one-time pad is the most secure encryption scheme because it is used only once.