Database Security: Master Data Protection Techniques

Question 1

What is the primary purpose of authorization in database security?

Accepted Answer

To grant or deny specific permissions to database users

Answer

To encrypt data stored in the database

Answer

To authenticate user identities

Answer

To monitor user activities

Question 2

How are roles and privileges typically related in database security?

Accepted Answer

A role is a collection of privileges, while a privilege is a specific permission to perform an action.

Answer

A privilege is a collection of roles, while a role is a specific permission to perform an action.

Answer

Roles and privileges are essentially the same concept in database security.

Answer

Privileges are assigned to users, while roles are assigned to groups.

Question 3

What is the primary function of a firewall in the context of database security?

Accepted Answer

To prevent unauthorized access to the database system

Answer

To encrypt data before it is stored in the database

Answer

To monitor user activities and detect suspicious behavior

Answer

To back up the database and its contents

Question 4

Which of the following is NOT a commonly known type of database vulnerability?

Accepted Answer

Cross-site scripting (XSS)

Answer

SQL injection

Answer

Denial of service (DoS)

Answer

Buffer overflow

Question 5

What is the primary objective of conducting a database audit?

Accepted Answer

To detect and investigate security breaches or suspicious activities

Answer

To optimize database performance and efficiency

Answer

To back up the database and its contents

Answer

To grant user permissions and privileges

Question 6

What is the primary responsibility of a database administrator (DBA) in relation to database security?

Accepted Answer

To implement and manage database security policies and procedures

Answer

To develop and maintain database applications and their functionality

Answer

To provide technical support to database users and assist with troubleshooting

Answer

To back up and restore the database and its contents

Question 7

To enhance database security and protect against cyber threats, describe three essential best practices and explain how implementing them strengthens an organization's resilience.

Accepted Answer

Implement robust access controls, conduct regular security audits, and encrypt sensitive data.

Answer

Enforce strong password policies, monitor user activity, and back up data regularly.

Answer

Employ antivirus software, install firewalls, and implement intrusion detection systems.

Question 8

Which security mechanism authenticates users to verify their identity before granting access to a database?

Accepted Answer

Authentication

Answer

Access control

Answer

Encryption

Answer

Authorization

Question 9

What method grants specific permissions and privileges to users based on their roles and responsibilities?

Accepted Answer

Authorization

Answer

Encryption

Answer

Access control

Answer

Authentication

Question 10

Which access control model enforces the principle of least privilege, ensuring users have the minimum access necessary to perform their tasks?

Accepted Answer

Role-Based Access Control (RBAC)

Answer

Discretionary Access Control (DAC)

Answer

Mandatory Access Control (MAC)

Answer

Lattice-Based Access Control (LBAC)

Question 11

What encryption algorithm is commonly employed to protect database data at rest from unauthorized access?

Accepted Answer

AES

Answer

ECC

Answer

RSA

Answer

DES

Question 12

Which technique involves converting encrypted data back into its original form?

Accepted Answer

Decryption

Answer

Encoding

Answer

Encryption

Answer

Hashing

Question 13

What best practice involves creating regular backups of database data to protect against data loss in the event of a hardware failure or security breach?

Accepted Answer

Data Backup

Answer

Access Control

Answer

User Authentication

Answer

Database Mirroring

Question 14

Which security threat involves the unauthorized access or modification of data by malicious actors?

Accepted Answer

Data Breach

Answer

Man-in-the-Middle Attack

Answer

Malware

Answer

SQL Injection

Question 15

What security tool monitors and analyzes security events to detect and respond to potential threats?

Accepted Answer

Security Information and Event Management (SIEM)

Answer

Intrusion Prevention System (IPS)

Answer

Firewall

Answer

Antivirus

Question 16

What ethical principle guides the responsible and ethical use of cybersecurity techniques and knowledge?

Accepted Answer

Cybersecurity Ethics

Answer

Network Security

Answer

Cloud Security

Answer

Data Privacy

Question 17

Which of the following methods is NOT a common approach to database authentication?

Accepted Answer

Behavioral biometrics

Answer

Token-based authentication

Answer

Password-based authentication

Question 18

Which authorization model defines permissions based on the user's role within the organization?

Accepted Answer

Role-based access control (RBAC)

Answer

Discretionary access control (DAC)

Answer

Attribute-based access control (ABAC)

Answer

Mandatory access control (MAC)

Question 19

What is the primary purpose of implementing data encryption in database security?

Accepted Answer

To safeguard data from unauthorized access and modification

Answer

To facilitate data compression

Answer

To enhance database performance

Question 20

What is the key distinction between symmetric and asymmetric encryption algorithms?

Accepted Answer

Symmetric algorithms employ the same key for encryption and decryption, while asymmetric algorithms utilize different keys for each process

Answer

Symmetric algorithms are more efficient than asymmetric algorithms

Question 21

Which type of database attack involves exploiting vulnerabilities in database software to gain unauthorized access or alter data?

Accepted Answer

SQL injection

Answer

Man-in-the-middle attack

Answer

Phishing

Answer

Brute force attack

Question 22

What is the function of a database firewall in enhancing database security?

Accepted Answer

Monitors and controls incoming and outgoing network traffic to the database

Answer

Provides user authentication and authorization mechanisms

Answer

Encrypts data stored in the database

Question 23

Which of the following is NOT considered a best practice for managing database access control?

Accepted Answer

Granting users more privileges than required

Answer

Least privilege principle

Answer

Separation of duties

Answer

Periodically reviewing and updating user permissions

Question 24

What is the purpose of conducting a security audit in the context of database security?

Accepted Answer

To identify vulnerabilities, assess risks, and recommend improvements

Answer

To automatically block unauthorized access attempts

Answer

To monitor database activity in real-time