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Category - Computers

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Does modern encryption rely more heavily on private key or public key encryption?
  1. Public key encryption
  2. Private key encryption
  3. A combination of public and private key encryption
  4. Neither technique is used much anymore
Explanation
Answer: C - A combination of public and private key encryption is used. Private key encryption is faster and more secure than public key encryption, but distributing the private key is a major obstacle. Many security protocols use public key encryption to share a temporary private key, then use the private key for the rest of the session.
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