Database Security: Protect Your Data from Breaches and Unauthorized Access

Question 1

Which encryption algorithm is commonly used to protect data at rest, ensuring its confidentiality?

Accepted Answer

AES

Answer

DES

Answer

RSA

Answer

SHA-256

Question 2

What is the primary purpose of access control in the context of database security?

Accepted Answer

Restricting unauthorized access to sensitive data

Answer

Preventing data breaches

Answer

Ensuring data integrity

Answer

Improving data availability

Question 3

Why is data integrity crucial in database security?

Accepted Answer

Maintaining accuracy and consistency of data

Answer

Preventing unauthorized modification

Answer

Ensuring data availability

Answer

Enhancing data encryption

Question 4

Which database security tool is specifically designed for detecting and preventing threats?

Accepted Answer

Intrusion Detection System (IDS)

Answer

Data Loss Prevention (DLP)

Answer

Firewall

Answer

Access Control List (ACL)

Question 5

What is the primary purpose of conducting a database security audit?

Accepted Answer

Identifying potential vulnerabilities and security risks

Answer

Enhancing compliance with regulations

Answer

Improving data integrity

Answer

Preventing data breaches

Question 6

What is the recommended approach to ensuring comprehensive database security?

Accepted Answer

Adhering to industry-recognized best practices

Answer

Implementing technical safeguards alone

Answer

Focusing solely on access control

Answer

Performing security audits occasionally

Question 7

Which encryption method offers the most robust level of data protection?

Accepted Answer

Asymmetric encryption

Answer

Symmetric encryption

Answer

Hashing

Answer

Masking

Question 8

What is the primary role of access control in database security?

Accepted Answer

To prevent unauthorized data alteration

Answer

To limit data retrieval

Answer

To ensure data integrity

Answer

To protect against data loss

Question 9

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

Accepted Answer

Blocks unauthorized network access

Answer

Detects malicious activity

Answer

Encrypts data transmissions

Answer

Audits database access

Question 10

Which of these is a recommended practice for securing database passwords?

Accepted Answer

Avoiding password sharing

Answer

Storing passwords in plain text

Answer

Using weak or predictable passwords

Answer

Infrequent password changes

Question 11

What is the purpose of data masking?

Accepted Answer

To protect data privacy

Answer

To prevent unauthorized access

Answer

To enhance data performance

Answer

To detect fraudulent activities

Question 12

What is the central objective of a security incident response plan in database management?

Accepted Answer

To minimize the potential impact of security incidents

Answer

To prevent security incidents

Answer

To investigate security incidents

Answer

To prosecute individuals responsible for security incidents

Question 13

What is the primary distinction between intrusion detection and intrusion prevention systems in the context of database security?

Accepted Answer

Intrusion detection systems alert after an intrusion, while intrusion prevention systems proactively block intrusions

Answer

Intrusion prevention systems are more expensive to implement than intrusion detection systems

Answer

Intrusion detection systems are more complex to manage than intrusion prevention systems

Answer

Intrusion prevention systems only operate on local networks

Question 14

What is the primary purpose of implementing a firewall in a database security architecture?

Accepted Answer

Prevent unauthorized network access to the database

Answer

Monitor database activity for suspicious patterns

Answer

Detect and block malicious traffic

Answer

Encrypt data passing through the network

Question 15

Which type of data breach involves the unauthorized access and theft of sensitive information?

Accepted Answer

Data exfiltration

Answer

Malware

Answer

Phishing

Answer

SQL injection

Question 16

What type of data breach happens when attackers exploit weaknesses in software or systems to access sensitive information?

Accepted Answer

Malware-based

Answer

Phishing

Answer

Insider threat

Answer

Denial-of-service

Question 17

Which of the following is NOT a threat to database security?

Accepted Answer

Power outages

Answer

Unauthorized access

Answer

Malware attacks

Answer

Human error

Question 18

Which encryption algorithm provides the highest level of security?

Accepted Answer

AES-256

Answer

AES-128

Answer

SHA-256

Answer

MD5

Question 19

Which access control model assigns permissions based on user roles?

Accepted Answer

Role-Based Access Control (RBAC)

Answer

Discretionary Access Control (DAC)

Answer

Mandatory Access Control (MAC)

Answer

Attribute-Based Access Control (ABAC)

Question 20

Which security measure involves implementing firewalls and intrusion detection systems?

Accepted Answer

Network security

Answer

Physical security

Answer

Data encryption

Answer

Access control

Question 21

What is the purpose of the principle of least privilege?

Accepted Answer

To grant users only the permissions they require to perform their tasks

Answer

To prevent users from accessing data they do not need

Answer

To encrypt all database traffic

Answer

To enforce strong password policies

Question 22

What is the primary goal of a data audit?

Accepted Answer

To ensure compliance with regulations and standards

Answer

To identify security breaches

Answer

To track user activity

Answer

To optimize database performance

Question 23

What is the function of a security information and event management (SIEM) system?

Accepted Answer

To centralize and monitor security logs and events

Answer

To prevent cyberattacks

Answer

To encrypt sensitive data

Answer

To perform data backups

Question 24

Which symmetric encryption algorithm is designed specifically for encrypting large amounts of data at rest in databases?

Accepted Answer

AES

Answer

RSA

Answer

MD5

Answer

ECC

Question 25

What is the fundamental purpose of access control in database security?

Accepted Answer

Enforce specific permissions and restrictions on user access to database resources to protect data

Answer

Encrypt stored data

Answer

Detect and prevent malicious SQL injection attacks

Answer

Monitor database logs for unusual activities

Question 26

Which of the following contradicts the principle of least privilege in database security?

Accepted Answer

Assigning users access permissions to all database objects

Answer

Limiting user privileges to only essential tasks

Answer

Reviewing user privileges regularly to ensure appropriateness

Question 27

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

Accepted Answer

Monitor and control incoming and outgoing network traffic to prevent unauthorized access

Answer

Detect and block malicious SQL queries

Answer

Encrypt data transmitted over the network

Question 28

Which best practice ensures the security of database backups?

Accepted Answer

Storing encrypted backups in a remote and secure location

Answer

Storing backups on the same server as the database

Answer

Using only local backup methods

Question 29

Which tool is specifically designed for database vulnerability assessment and penetration testing?

Accepted Answer

SQLmap

Answer

Nessus

Answer

Wireshark

Answer

Metasploit

Question 30

Describe the distinction between data classification and data masking.

Accepted Answer

Data classification identifies sensitive data, while data masking replaces it with fictitious or altered values.

Answer

Data classification encrypts data, while data masking uses hashing

Question 31

Which database management system offers native support for role-based access control?

Accepted Answer

PostgreSQL

Answer

DynamoDB

Answer

Redis

Answer

MongoDB

Question 32

What is the primary objective of conducting a security audit in database security?

Accepted Answer

To identify potential vulnerabilities and non-compliance issues in database systems and configurations

Answer

To detect and block malicious SQL queries

Answer

To monitor database activity for suspicious behavior

Answer

To encrypt data in transit

Question 33

What is the primary objective of database security?

Accepted Answer

To protect data from unauthorized access, alteration, or destruction

Answer

To enhance database performance and efficiency

Answer

To ensure data availability at all times

Question 34

Which of the following is a key benefit of data encryption?

Accepted Answer

It renders data unreadable to unauthorized users, providing confidentiality

Answer

It speeds up data retrieval and processing

Answer

It prevents data loss due to hardware failures

Question 35

What is the main purpose of access control in database security?

Accepted Answer

To regulate user access to database resources based on their permissions and roles

Answer

To detect and respond to malicious activities in real time

Answer

To perform data validation and ensure data integrity

Question 36

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

Accepted Answer

To prevent unauthorized access to the database from external networks

Answer

To encrypt data transmitted over the network

Answer

To scan and detect malicious software and viruses

Question 37

Which of the following is a best practice in database security auditing?

Accepted Answer

Regularly reviewing and analyzing database logs for suspicious activities

Answer

Ignoring security logs to improve database performance

Answer

Deleting security logs after a certain period to save storage space

Question 38

What is the primary objective of data masking?

Accepted Answer

To protect sensitive data from unauthorized access and disclosure while preserving its usability

Answer

To reduce database size and improve performance

Answer

To ensure data accuracy and prevent data corruption

Question 39

Which of the following is a common type of database vulnerability that allows attackers to execute malicious code?

Accepted Answer

SQL injection

Answer

Buffer overflow

Answer

Cross-site scripting (XSS)

Answer

Malware infection

Question 40

What is the CIA triad in database security?

Accepted Answer

Confidentiality, Integrity, and Availability, representing the core principles of database protection

Answer

Confidentiality, Integrity, and Authentication, representing the different types of security measures

Question 41

What is a key responsibility of a database security administrator?

Accepted Answer

Implementing and monitoring security measures to protect the database from unauthorized access and threats

Answer

Designing and developing the database schema

Answer

Performing database backups and maintenance tasks

Question 42

Which of the following is a primary concern in database security?

Accepted Answer

Preventing unauthorized access to sensitive data

Answer

Ensuring data accuracy

Answer

Managing database storage space

Answer

Optimizing database performance

Question 43

What is the purpose of data encryption in database security?

Accepted Answer

To protect data from unauthorized access by converting it into an unreadable format

Answer

To improve data organization

Answer

To detect and prevent data breaches

Answer

To enhance data retrieval speed

Question 44

Which access control model assigns permissions based on a user's organizational role?

Accepted Answer

Role-Based Access Control (RBAC)

Answer

Attribute-Based Access Control (ABAC)

Answer

Mandatory Access Control (MAC)

Answer

Discretionary Access Control (DAC)

Question 45

What is the objective of data masking in database security?

Accepted Answer

To conceal sensitive data from unauthorized users while maintaining its usability

Answer

To prevent data loss

Answer

To ensure data integrity

Answer

To enhance data quality

Question 46

Which of the following is a recommended practice for securing database configurations?

Accepted Answer

Implementing strong passwords and firewalls

Answer

Leaving default settings unchanged

Answer

Granting unrestricted access to all users

Answer

Disabling security logs

Question 47

What do the letters in the CIA triad represent in the context of database security?

Accepted Answer

Confidentiality, Integrity, Availability

Answer

Confidentiality, Integrity, Authentication

Answer

Confidentiality, Integrity, Authorization

Answer

Confidentiality, Integrity, Accessibility

Question 48

Which of the following is a type of database audit?

Accepted Answer

Database activity logging

Answer

Data quality assessment

Answer

Network traffic monitoring

Answer

Server performance analysis

Question 49

What is the primary purpose of a database vulnerability assessment?

Accepted Answer

To identify potential security weaknesses in a database system

Answer

To ensure data compliance

Answer

To test database performance

Answer

To monitor database activity

Question 50

What is the primary responsibility of a Database Security Officer (DBSO)?

Accepted Answer

Overseeing and managing database security within an organization

Answer

Designing and implementing database systems

Answer

Conducting database audits

Answer

Monitoring database performance