Certificate of Cloud Security Knowledge (CCSK) Practice Test 2025 - Free CCSK Practice Questions and Study Guide

Maintaining security during virtual machine (VM) migration is crucial, as the process involves transferring sensitive data across potentially vulnerable networks. The choice of encryption and zeroing stands out as the most effective method for ensuring security during this migration.

Encryption plays a vital role in protecting data in transit. By encrypting the VM's data before migration, it ensures that even if the data is intercepted during the transfer, it remains unreadable to unauthorized entities. This protects the confidentiality and integrity of the data.

Zeroing, on the other hand, refers to the practice of overwriting the data on the original storage medium after it has been migrated. This helps prevent any residual data from being recoverable, mitigating risks associated with data leakage. Together, encryption and zeroing create a robust strategy for securing VMs during their migration, addressing both the risk of exposure during transit and potential remnants of sensitive data.

The other options, while important for overall security, do not specifically target the risks associated with VM migration as effectively as encryption and zeroing do. Redundancy backups focus on data availability rather than security during migration. Firewalls and intrusion detection systems enhance perimeter security and threat detection, but do not protect the data being transferred itself. Regular updates and patches are essential for