Which of the following techniques is commonly used to enhance the security and availability of cloud-stored data?
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✓ Correct answer: D. Data shardingAnswer: Data sharding Data sharding involves dividing a large dataset into smaller, more manageable pieces (shards) that can be distributed across multiple servers or locations. This not only improves security by isolating data but also enhances availability and performance as the workload is spread across different systems. Data loss prevention (DLP) techniques are used to prevent unauthorized access and transmission of sensitive data. However, DLP primarily focuses on protecting data from being leaked rather than improving availability. Data masking involves hiding or obfuscating data to protect sensitive information, which is crucial for data security but does not directly contribute to availability. Data aggregation refers to the process of collecting and summarizing data, useful for analysis and reporting but not directly linked to improving security and availability.
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Theory