Question 230
A service must transmit internal invoices to a cloud processor across the public Internet without exposing their contents to intermediaries. Which protection addresses the transfer?
Explanation
Correct Answer
Encryption in transit and server authentication defend against interception and unauthorized endpoints. Data security follows the classification of the information, its lifecycle and the exact operations each role is allowed to perform. The case turns on a service must transmit internal invoices to a cloud processor across the public Internet without exposing their contents to intermediaries; “Authenticated transport encryption with validated peer identity” addresses that precise condition. “A backup copy of invoices stored offline” is not equivalent because archival resilience does not encrypt the live transfer.
Incorrect Answers
A notice communicates policy but does not enforce confidentiality on the wire. Written guidance and awareness influence behavior, but they do not by themselves enforce a technical or physical boundary. Here the decisive fact is a service must transmit internal invoices to a cloud processor across the public Internet without exposing their contents to intermediaries. “Authenticated transport encryption with validated peer identity” matches that requirement because encryption in transit and server authentication defend against interception and unauthorized endpoints.
Local permissions do not protect packets after they leave the source. Data security follows the classification of the information, its lifecycle and the exact operations each role is allowed to perform. In the reported situation, a service must transmit internal invoices to a cloud processor across the public Internet without exposing their contents to intermediaries. The effective mechanism is “Authenticated transport encryption with validated peer identity”: encryption in transit and server authentication defend against interception and unauthorized endpoints.
Archival resilience does not encrypt the live transfer. The evidence is a service must transmit internal invoices to a cloud processor across the public Internet without exposing their contents to intermediaries. Backups and replicated copies mainly serve recovery and resilience; they do not inherently prevent an attacker from obtaining present access. By contrast, “Authenticated transport encryption with validated peer identity” operates on the specific concern: encryption in transit and server authentication defend against interception and unauthorized endpoints.






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