MySQL - Data Encryption in MySQL MCQ

MySQL – Data Encryption in MySQL MCQ

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1. Why is data encryption important in MySQL?

To ensure data availability

To optimize query performance

To protect sensitive data

To simplify schema design

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2. Which type of encryption is primarily used for securing data during transmission in MySQL?

Client-Side Encryption

Transparent Data Encryption (TDE)

SSL/TLS Encryption

Full-disk Encryption

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3. What does Transparent Data Encryption (TDE) in MySQL primarily encrypt?

Data during transmission

Data on the client side

Data at rest

Data stored in memory

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4. In MySQL, what is the role of SSL/TLS encryption?

Enforcing password policies

Securing data backups

Encrypting data at rest

Protecting data during transmission

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5. What must be configured to enable SSL/TLS encryption in MySQL?

Transparent Data Encryption (TDE)

Encryption keys

Role-Based Access Control (RBAC)

SSL certificates

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6. What is the primary benefit of using Transparent Data Encryption (TDE) in MySQL?

Securing data during transmission

Simplifying schema design

Encrypting data at rest

Encrypting data on the client side

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7. Which storage engine in MySQL primarily supports Transparent Data Encryption (TDE)?

NDB

MyISAM

InnoDB

MEMORY

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8. What is the primary purpose of client-side encryption in MySQL?

To simplify schema design

To encrypt data at rest

To secure data during transmission

To optimize query performance

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9. How is data typically encrypted with client-side encryption in MySQL?

During transmission

On the server side

On the client side

In the MySQL configuration

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10. What is key management in the context of data encryption in MySQL?

Data indexing

Data storage

Managing encryption keys

Managing data backups

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11. Why is proper key management crucial for data encryption in MySQL?

To ensure data availability

To maintain the security of encrypted data

To simplify schema design

To minimize encryption overhead

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12. What does key rotation involve in data encryption key management?

Changing encryption algorithms

Adjusting SSL/TLS settings

Reinstalling MySQL

Frequently changing encryption keys

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13. What should be done to ensure secure key storage in MySQL encryption?

Store keys separately from data

Store keys in an easily accessible location

Implement weak access controls

Store keys in the same location as data

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14. What is the role of audit trails in key management for data encryption in MySQL?

To track key usage

To enforce password policies

To simplify schema design

To manage database backups

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15. What is the primary use case for client-side encryption in MySQL?

Encrypting data at rest

Securing data during transmission

Optimizing query performance

Protecting encryption keys

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16. Which encryption method is suitable for encrypting data at rest in MySQL?

Client-Side Encryption

SSL/TLS Encryption

In-Transit Encryption

Transparent Data Encryption (TDE)

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17. How does Transparent Data Encryption (TDE) protect data in MySQL?

By managing encryption keys

By encrypting data at rest

By encrypting data during transmission

By securing data backups

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18. What does SSL/TLS encryption primarily protect in MySQL?

Data on the client side

Data at rest

Data during transmission

Data in the backup files

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19. What must be configured to enable SSL/TLS encryption for MySQL client applications?

Transparent Data Encryption (TDE)

Encryption keys

Full-disk Encryption

SSL certificates

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20. How can organizations maintain the security of encryption keys in MySQL?

Use weak access controls

Implement transparent key management

Store keys securely and separately

Store keys with data

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21. What is the primary goal of key rotation in MySQL encryption key management?

Ensuring key compatibility with backups

Simplifying schema design

Frequently changing encryption keys

Changing encryption algorithms

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22. What is the main role of audit trails in encryption key management?

To enforce password policies

To manage database backups

To track key usage

To monitor query performance

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23. Why is client-side encryption an extra layer of security in MySQL?

To manage encryption keys

To simplify schema design

To enforce password policies

To secure data during transmission

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24. Which encryption method ensures that data is encrypted before it reaches the MySQL server?

Transparent Data Encryption (TDE)

SSL/TLS Encryption

Full-disk Encryption

Client-Side Encryption

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25. What is the primary benefit of encrypting data at rest with Transparent Data Encryption (TDE)?

Preventing data breaches

Securing data during transmission

Simplifying schema design

Protecting data from insider threats

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26. What is the main role of encryption keys in Transparent Data Encryption (TDE) in MySQL?

To protect and decrypt data

To secure data backups

To simplify schema design

To track and monitor key usage

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