Which two countermeasures help reduce the risk of playback attacks? (Choose two.)

Which two countermeasures help reduce the risk of playback attacks? (Choose two.)
A . Store data in a NoSQL database.
B . Implement message authentication (HMAC).
C . Enable end-to-end encryption.
D . Remove stack traces from errors.
E . Use short-lived access tokens.

View Answer

Answer: BE