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← SC-100: Microsoft Cybersecurity Architect
SC-100 · Server client IoT and OT security

Practice question 284 of 498 · medium

A constrained device design needs hardware-backed identity protection during provisioning. Which component should the architect evaluate?

Choose the single best answer.

  1. A.One symmetric key shared across all devices
  2. B.A TPM or suitable hardware security capability
  3. C.TLS transport alone without hardware-backed key protection
  4. D.A cloud-only credential store while leaving extraction on the device unaddressed
Show the answer and explanation

✓ Correct answer

  • A TPM or suitable hardware security capability

TPM or suitable hardware protects device key material and supports attestation. Cloud-only storage does not address credentials on the device. A shared fleet key expands compromise impact. TLS protects transport and does not by itself provide hardware key storage.

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