When transmitting information across public networks, the decision to encrypt should...
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When transmitting information across public networks, the decision to encrypt should primarily be based on which factor?
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Answer: A. The level of confidentiality of the information
Information classification and required confidentiality dictate the necessity and strength of cryptographic controls during network transmission.
Step-by-step Derivation:
Step 1: Security policies mandate encryption based on data classification levels (e.g., PII, PHI, financial records require high confidentiality).
Step 2: Hence confidentiality level is the primary driver.