Which of the following is an effective way to prevent unauthorized access to data?

Question

Options

• AAll of the above
• BEncrypting sensitive data
• CCreating complex passwords
• DImplementing a firewall

• A
  93% (28)
• B
  3% (1)
• C
  3% (1)

Explanation

Preventing unauthorized data access requires a layered (defense-in-depth) approach. Encrypting sensitive data protects it even if an attacker gains physical or logical access. Complex passwords reduce the risk of credential-based attacks. Firewalls restrict unauthorized network access. Each control addresses a different attack vector, so using all three together ('All of the above') provides far stronger protection than any single measure alone.

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