ISC2 Certified in Cybersecurity (CC) Practice Question
To ensure that configuration files transferred between data centers have not been altered in transit, which control should the security team implement and verify for each file?
Install redundant power supplies in the file servers
Require users to authenticate through a RADIUS server
Generate and compare a SHA-256 hash value for the file
Calculating and comparing a cryptographic hash value such as SHA-256 before and after transfer confirms that the content is identical; any change to the file produces a different digest, revealing tampering. AES encryption focuses on confidentiality, RADIUS provides authentication, and redundant power supplies address availability, none of which directly verify data integrity.
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ISC2 Certified in Cybersecurity (CC)
Security Principles
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