An organization uses a content delivery network to serve media files to a global audience. Which approach provides the highest level of confidentiality and integrity for transmitted data?
Deactivating encryption at edge servers for performance gains, then re-encrypting afterward
Using cryptographic checksums for media files stored at remote endpoints
Transferring content between the user's device and the origin with consistent encryption
Implementing location-based routing to direct traffic to the nearest data center
Establishing an unbroken line of secure communication from user devices to the final system ensures that data remains protected even when passing through multiple nodes. Terminating and re-establishing secure connections at edge servers can introduce points of exposure. Location-based routing simplifies access, and cryptographic checksums support file integrity, but neither alone guarantees data confidentiality during transit.
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Why is consistent encryption important for data confidentiality and integrity?
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What are edge servers, and why could they be a security risk if encryption is deactivated?
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How do cryptographic checksums support data integrity, and why are they insufficient for confidentiality?