Câu 477: CISA: Certified Information Systems Auditor

Which of the following should be the GREATEST concern to an IS auditor reviewing an organization's method to transport sensitive data between offices?

1. A. The method relies exclusively on the use of 128-bit encryption.
2. B. The method relies exclusively on the use of digital signatures. — đáp án hiện tại
3. C. The method relies exclusively on the use of asymmetric encryption algorithms.
4. D. The method relies exclusively on the use of public key infrastructure (PKI).