Certified Information Systems Auditor (CISA) Question:
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Which of the following cryptography options would increase overhead/cost?
Answer:
1. The encryption is symmetric rather than asymmetric.
2. A long asymmetric encryption key is used.
3. The hash is encrypted rather than the message.
4. A secret key is used.
Answer: B
2. A long asymmetric encryption key is used.
3. The hash is encrypted rather than the message.
4. A secret key is used.
Answer: B
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