CompTIA Security+ Question C-51

Which of the following represents a cryptographic solution where the encrypted stream cannot be captured by a sniffer without the integrity of the stream being compromised?

A. Elliptic curve cryptography.
B. Perfect forward secrecy.
C. Steganography.
D. Quantum cryptography.

Answer: D

Quantum cryptography is a cryptosystem that is completely secure against being compromised without knowledge of the sender or the receiver of the messages.