A municipal VPN establishes a session by exchanging secrets with public-key cryptography, then encrypts bulk traffic with a shared session key. Which statement correctly separates those roles?
Select an answer to reveal the explanation.
Short Explanation
Picture asymmetric crypto as the careful handshake that agrees on a temporary shared lock, then symmetric crypto as the fast padlock you actually use on the big crate of packets. VPNs lean on both—keys first, then speedy bulk encryption.
Full Explanation
Common VPN designs use asymmetric cryptography for key exchange and related identity functions, then switch to symmetric algorithms for bulk session encryption because shared-key ciphers are computationally efficient. Symmetric-only designs still need a secure way to establish shared secrets. Hashing supports integrity and does not replace encryption for confidentiality of tunnel traffic.