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PROFESSIONAL-CLOUD-ARCHITECT · Question #181
PROFESSIONAL-CLOUD-ARCHITECT Question #181: Real Exam Question with Answer & Explanation
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Submitted by ngozi_ng· Mar 30, 2026
Question
You are designing a mobile chat application. You want to ensure that people cannot spoof chat messages by proving that a message was sent by a specific user. What should you do?
Options
- AEncrypt the message client-side using block-based encryption with a shared key.
- BTag messages client-side with the originating user identifier and the destination user.
- CUse a trusted certificate authority to enable SSL connectivity between the client application and
- DUse public key infrastructure (PKI) to encrypt the message client-side using the originating user's
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