Data Security Controls: Master the Essentials for Data Protection

Question 1

Which of the following is NOT a commonly used access control model in data security?

Accepted Answer

Linear Access Control (LAC)

Answer

Discretionary Access Control (DAC)

Answer

Role-Based Access Control (RBAC)

Answer

Attribute-Based Access Control (ABAC)

Question 2

When selecting and implementing data encryption algorithms, which factors are of primary importance?

Accepted Answer

Computational cost and efficiency

Accepted Answer

Sensitivity and type of data being encrypted

Answer

Availability of specific encryption software

Answer

User preference for a particular algorithm

Question 3

Which data security control involves transforming data using a key to prevent unauthorized access?

Accepted Answer

Encryption

Answer

Access Control

Answer

Firewall

Answer

Data Backup

Question 4

Which of the following encryption algorithms is specifically designed for symmetric encryption?

Accepted Answer

AES

Answer

RSA

Answer

ECC

Answer

SHA-256

Question 5

Which type of data security control primarily **prevents** unauthorized access to data?

Accepted Answer

Preventive control

Answer

Compensating control

Answer

Detective control

Answer

Corrective control

Question 6

Which of the following is an example of a physical data security control that restricts **physical** access to data?

Accepted Answer

Access control system

Answer

Encryption

Answer

Backup

Answer

Firewall

Question 7

What is the main objective of data classification in a data security program?

Accepted Answer

To classify data based on its **sensitivity** and **criticality**

Answer

To monitor data usage and detect potential security breaches

Answer

To select appropriate security controls for various types of data

Question 8

What is a primary advantage of implementing multi-factor authentication (MFA)?

Accepted Answer

It reduces the risk of **unauthorized** access to data

Answer

It eliminates the need for password protection

Answer

It enhances the speed of data access

Answer

It automates data backup procedures

Question 9

What is the primary purpose of encryption in data security?

Accepted Answer

To convert data into an **unreadable** format

Answer

To back up data in case of system failure

Answer

To authenticate users before granting access to data

Answer

To detect unauthorized access to data

Question 10

Which of the following is considered a best practice for implementing data backup and recovery procedures?

Accepted Answer

Regularly **testing** backup systems to ensure their functionality

Answer

Storing only **one copy** of the data backup

Answer

Storing backups on the **same server** as the original data

Question 11

What is the primary aim of a data security incident response plan?

Accepted Answer

To minimize the **impact** and **consequences** of a data breach

Answer

To identify the **exact** source of a data breach

Answer

To completely prevent data breaches from occurring

Question 12

How can organizations ensure the effectiveness of their data security controls over time?

Accepted Answer

Regularly **auditing** and **reviewing** security measures

Answer

Implementing the **latest** security technologies

Answer

Relying solely on external **security consultants**

Question 13

Which type of control is designed to detect unauthorized access to data?

Accepted Answer

Detective control

Answer

Compensating control

Answer

Preventative control

Answer

Corrective control

Question 14

What is the primary purpose of data encryption?

Accepted Answer

Convert data into an unreadable format to protect its confidentiality

Answer

Recover data in the event of a breach

Answer

Detect unauthorized access to data

Question 15

Which of the following is a best practice for implementing data masking?

Accepted Answer

Identify sensitive data fields and apply appropriate masking techniques based on data sensitivity levels

Answer

Use the same masking algorithm for all data fields

Answer

Mask all data fields regardless of sensitivity

Question 16

What is the primary purpose of a data breach response plan?

Accepted Answer

Outline steps to be taken in the event of a data breach to minimize its impact and facilitate recovery

Answer

Identify the source of a data breach

Answer

Prevent data breaches from occurring

Question 17

Which of the following is a key component of a least privilege access model?

Accepted Answer

Granting users only the minimum level of access necessary to perform their job duties

Answer

Requiring users to provide multiple levels of authentication

Answer

Allowing users to access all data regardless of their role

Question 18

What is the primary purpose of a firewall?

Accepted Answer

Control incoming and outgoing network traffic to prevent unauthorized access and protect against cyber threats

Answer

Encrypt data transmitted over the network

Answer

Detect and block malicious software

Question 19

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

Accepted Answer

Collect and analyze security logs from multiple sources to identify, prioritize, and respond to security threats

Answer

Detect and block malware

Answer

Control access to data

Question 20

What is a crucial factor to consider when creating a data security policy?

Accepted Answer

Identifying and classifying sensitive data within the organization.

Answer

Hiring extra security staff.

Answer

Purchasing the latest security software.

Question 21

What is the primary purpose of access control?

Accepted Answer

Limiting access to authorized individuals or systems.

Answer

Preventing data breaches.

Answer

Encrypting data.

Question 22

Which option is an example of a logical access control method?

Accepted Answer

Passwords.

Answer

Firewalls.

Answer

Biometrics.

Answer

Encryption.

Question 23

What is a key advantage of using encryption?

Accepted Answer

It makes data unreadable to unauthorized individuals.

Answer

It reduces data storage costs.

Answer

It speeds up data transfer.

Question 24

What's the best practice for implementing data security controls?

Accepted Answer

Employing a layered approach.

Answer

Implementing only the most expensive controls.

Answer

Implementing controls without regular testing.

Answer

Implementing controls that are easily bypassed.

Question 25

Which of the following presents a challenge to data security?

Accepted Answer

The increasing volume and complexity of data.

Answer

The decreasing cost of data storage.

Answer

The shortage of qualified professionals.

Answer

The absence of government regulations.

Question 26

What is a significant benefit of implementing data security?

Accepted Answer

Protects sensitive information from unauthorized access.

Answer

Reduces the cost of data breaches.

Answer

Improves customer satisfaction.

Question 27

Which tool can be used to monitor data security controls?

Accepted Answer

Security information and event management (SIEM).

Answer

Firewalls.

Answer

Anti-virus software.

Answer

Intrusion detection system (IDS).

Question 28

What is a key best practice when conducting a data security risk assessment?

Accepted Answer

Involve stakeholders from various departments within the organization.

Answer

Utilize outdated risk assessment methods.

Answer

Focus solely on external threats to data security.

Answer

Perform risk assessments only occasionally.

Question 29

Which of the following is a common encryption technique used to secure data?

Accepted Answer

Symmetric-key encryption

Answer

Message authentication code (MAC)

Answer

One-time pad

Answer

Hashing

Question 30

What is the primary function of a firewall in a network?

Accepted Answer

Control network access by filtering incoming and outgoing traffic.

Answer

Detect malware.

Answer

Encrypt data transmitted across the network.

Answer

Back up data to prevent loss.

Question 31

Which of the following is an example of a physical security control?

Accepted Answer

Access control badge system

Answer

Data encryption

Answer

Intrusion detection system (IDS)

Answer

Firewall

Question 32

What is the main purpose of a Demilitarized Zone (DMZ) in a network?

Accepted Answer

To isolate external networks from internal networks, providing a buffer zone for public-facing services.

Answer

To store sensitive data securely.

Answer

To provide redundancy in case of network failure.

Question 33

What is a key benefit of using data masking as a security control?

Accepted Answer

Protecting sensitive data while still allowing authorized users to access and work with it.

Answer

Improving the overall quality of data.

Answer

Reducing the amount of storage space required for data.

Question 34

What is the principle of least privilege in data security?

Accepted Answer

Granting users only the minimum permissions necessary to perform their tasks.

Answer

Allowing users to escalate their privileges when needed.

Answer

Restricting access to all sensitive data for all users.

Question 35

What is the most effective method for securely disposing of data-bearing devices?

Accepted Answer

Physically destroying the devices to render the data unrecoverable.

Answer

Reformatting the storage device.

Answer

Deleting files from the recycle bin.

Answer

Overwriting data multiple times.

Question 36

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

Accepted Answer

To collect and analyze security data from various sources to detect and respond to security threats.

Answer

To encrypt sensitive data.

Answer

To automatically detect and respond to network attacks.

Question 37

Why are regular security audits important for maintaining data security?

Accepted Answer

To identify vulnerabilities and weaknesses in security controls, allowing for proactive improvements.

Answer

To ensure compliance with industry regulations.

Answer

To gain insurance coverage for data breaches.

Question 38

Which of the following is NOT a primary objective of data security controls?

Accepted Answer

Increasing data redundancy

Answer

Ensuring data confidentiality

Answer

Protecting data availability

Answer

Maintaining data integrity

Question 39

A company uses two-factor authentication for employee access. What type of security control is this?

Accepted Answer

Technical

Answer

Administrative

Answer

Physical

Answer

Logical

Question 40

Which security control focuses on preventing unauthorized physical access to data storage facilities?

Accepted Answer

Physical

Answer

Administrative

Answer

Logical

Answer

Technical

Question 41

A company requires employees to change their passwords every 90 days. What type of security control is this?

Accepted Answer

Administrative

Answer

Physical

Answer

Technical

Answer

Logical

Question 42

Which of the following is a technical security control used to prevent unauthorized network access?

Accepted Answer

Firewall

Answer

Data encryption

Answer

Security awareness training

Answer

Background checks for employees

Question 43

What aspect of data security does data encryption primarily protect?

Accepted Answer

Confidentiality

Answer

Integrity

Answer

Non-repudiation

Answer

Availability

Question 44

A company uses digital signatures to verify data authenticity. What data security principle does this control primarily address?

Accepted Answer

Integrity

Answer

Non-repudiation

Answer

Confidentiality

Answer

Availability

Question 45

Which security control is most effective in preventing data loss due to a hardware failure?

Accepted Answer

Data backup and recovery

Answer

Access control lists

Answer

Intrusion detection systems

Question 46

A system that logs all user actions and data changes is an example of which type of security control?

Accepted Answer

Auditing

Answer

Access control

Answer

Data encryption

Question 47

Restricting data access based on user roles and permissions is primarily aimed at ensuring which aspect of data security?

Accepted Answer

Confidentiality

Answer

Integrity

Answer

Non-repudiation

Answer

Availability