W3_ISSC636_Practice video

Welcome to your Week 3

Cybersecurity Principles Practice activity

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Choose the best answer for each question. After selecting, read the feedback to understand why the correct choice fits best.

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You will see a multiple-choice question with four options. Select the answer you think is correct. After choosing, an audio will tell you if it’s right or wrong, and you’ll automatically move to the next page to see feedback.

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Encryption is about confidentiality and requires keys. Hashing is one-way and supports integrity checking. Confusing them leads to wrong protections and weak assurance.

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Crypto fails most often in operations. Keys are the gate to decryption and signing, so policies, access control, rotation, revocation, and logging are essential for defensible protection.

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Default encryption is not a complete data protection strategy. Exposure often happens through access, retention, and workflow design, so operational controls and evidence are required.

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Data in transit needs cryptographic protection like secure transport protocols with certificate validation. Hashing and compression are not confidentiality controls, and unencrypted transport is risky even internally.

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Defensible export protection combines classification, least privilege, controlled key usage, retention limits, monitoring, and evidence of access. Convenience-driven retention and broad sharing increase exposure.

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You have successfully completed the practice video.

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