After the install process, a software application executed an online activation process. After a few months, the system experienced a hardware failure. A backup image of the system was restored on a newer revision of the same brand and model device. After the restore, the specialized application no longer works. Which of the following is the MOST likely cause of the problem?

After the install process, a software application executed an online activation process. After a few months, the system experienced a hardware failure. A backup image of the system was restored on a newer revision of the same brand and model device. After the restore, the specialized application no longer works. Which of the following is the MOST likely cause of the problem?
A . The binary files used by the application have been modified by malware.
B . The application is unable to perform remote attestation due to blocked ports.
C . The restored image backup was encrypted with the wrong key.
D . The hash key summary of hardware and installed software no longer match.

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Answer: D