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Computer Knowledge - MCQ Practice Questions

Practice free Computer Knowledge multiple-choice questions with detailed answers and explanations. Perfect for competitive exam preparation.

309 questions | 100% Free

Q.301Medium

Which of the following SQL query optimization techniques is most effective when dealing with large fact tables in a data warehouse environment?

Q.302Medium

In the context of distributed databases, which consistency model is used by most cloud-native databases like DynamoDB and offers eventual consistency?

Q.303Easy

Which of the following represents a vulnerability in SQL query construction that can be exploited through malicious user input, and can be prevented using parameterized queries?

Q.304Hard

In a sharded database architecture deployed on cloud infrastructure, which of the following represents the most critical challenge that must be addressed?