Virtual Labs

Securing Sensitive Information through Database Encryption Techniques

What is the primary purpose of data encryption in databases?

a: To increase database performance Explanation

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b: To protect sensitive data from unauthorized access Explanation

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c: To reduce data storage size Explanation

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d: To improve query execution speed Explanation

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What does the term 'data at rest' refer to in database security?

a: Data being transmitted over a network Explanation

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b: Data currently being processed by applications Explanation

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c: Data stored on disks, backups, or database files Explanation

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d: Temporary data stored in cache memory Explanation

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Which encryption technique encrypts only specific columns in a database table?

a: Transparent Data Encryption (TDE) Explanation

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b: Full Disk Encryption Explanation

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c: Column-Level Encryption Explanation

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d: Network Encryption Explanation

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Which of the following is an example of data that should be encrypted using column-level encryption?

a: Product names Explanation

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b: Employee department Explanation

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c: Credit card numbers Explanation

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d: Public announcements Explanation

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What is the main advantage of Transparent Data Encryption (TDE)?

a: It requires changes to application code Explanation

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b: It encrypts data only during transmission Explanation

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c: It automatically encrypts database files without application changes Explanation

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d: It encrypts only selected database columns Explanation

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Why is proper key management important in database encryption?

a: To improve database indexing Explanation

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b: To ensure encrypted data can be securely decrypted by authorized users Explanation

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c: To reduce database storage requirements Explanation

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d: To eliminate the need for encryption algorithms Explanation

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