Data Security Quizzes for Advanced Diploma in Business

Question 1

Which of the following is NOT an advantage of data encryption?

Accepted Answer

Slows down data processing speed

Answer

Protects data from unauthorized access

Answer

Provides data integrity

Question 2

For organizations with large, frequently updated datasets, which data backup method is most suitable?

Accepted Answer

Incremental backup

Answer

Full backup

Answer

Differential backup

Answer

Mirror backup

Question 3

Which of the following is a best practice for encrypting data?

Accepted Answer

Use a strong encryption algorithm like AES-256 with a key length of at least 128 bits.

Answer

Encrypt data only when it is stored at rest.

Answer

Use a weak encryption algorithm for faster encryption.

Answer

Store the encryption key in plain text.

Question 4

Which access control model is most appropriate for restricting access based on a user's role within an organization?

Accepted Answer

Role-Based Access Control (RBAC)

Answer

Discretionary Access Control (DAC)

Answer

Mandatory Access Control (MAC)

Answer

Context-Based Access Control (CBAC)

Question 5

What is the primary purpose of a comprehensive data backup strategy?

Accepted Answer

To protect data from loss due to hardware failure, accidental deletion, or malicious attacks.

Answer

To enhance data performance and efficiency.

Answer

To facilitate data sharing and collaboration.

Answer

To ensure compliance with data retention regulations only.

Question 6

What is the primary function of a data loss prevention (DLP) system?

Accepted Answer

To monitor, detect, and block unauthorized data transfers and exfiltration attempts.

Answer

To encrypt data in transit and at rest.

Answer

To provide real-time data backup and disaster recovery capabilities.

Answer

To control user access to sensitive data based on their roles and permissions.

Question 7

What is the fundamental difference between symmetric and asymmetric encryption algorithms?

Accepted Answer

Symmetric encryption uses the same key for both encryption and decryption, while asymmetric encryption uses different keys for each.

Answer

Asymmetric encryption is faster and more efficient than symmetric encryption.

Answer

Symmetric encryption is more secure than asymmetric encryption.

Answer

Symmetric encryption is used for data encryption, while asymmetric encryption is used for secure key exchange.

Question 8

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

Accepted Answer

To monitor, filter, and control incoming and outgoing network traffic based on predefined security rules.

Answer

To encrypt data before transmission across the network.

Answer

To detect and prevent intrusion attempts and malicious activities.

Answer

To perform data backups and restore operations.

Question 9

What is the primary purpose of encryption in data security?

Accepted Answer

To render data unreadable to unauthorized parties

Answer

To prevent unauthorized access to sensitive information

Answer

To ensure data integrity during transmission

Answer

To facilitate data recovery in the event of a disaster

Question 10

Which access control model restricts access to resources based on the user's role within the organization?

Accepted Answer

Role-Based Access Control

Answer

Discretionary Access Control

Answer

Mandatory Access Control

Answer

Attribute-Based Access Control

Question 11

What is the purpose of encrypting data in transit?

Accepted Answer

To protect data from unauthorized access during network transmission

Answer

To ensure data integrity while stored on a server

Answer

To facilitate data recovery in case of a hardware failure

Answer

To prevent data loss due to accidental deletion

Question 12

Which of the following is NOT a fundamental objective of data security?

Accepted Answer

Performance

Answer

Confidentiality

Answer

Integrity

Answer

Availability

Question 13

What process involves converting data into an unreadable format?

Accepted Answer

Encryption

Answer

Hashing

Answer

Authentication

Answer

Authorization

Question 14

What is the primary purpose of a firewall in data security?

Accepted Answer

To prevent unauthorized network access

Answer

To encrypt network traffic

Answer

To block access to malicious websites

Answer

To detect and quarantine malware

Question 15

Which of the following is a key objective of a security audit?

Accepted Answer

To identify vulnerabilities and assess compliance

Answer

To train staff on security policies

Answer

To back up critical data

Answer

To monitor network traffic for suspicious activity

Question 16

Which principle of data security states that users should be granted the minimum necessary permissions to perform their tasks?

Accepted Answer

Least privilege

Answer

Non-repudiation

Answer

Confidentiality

Answer

Availability

Question 17

What is the main difference between symmetric and asymmetric encryption algorithms?

Accepted Answer

Key distribution and management

Answer

Encryption and decryption speed

Answer

Level of cryptographic strength

Question 18

Which encryption algorithm is commonly used to protect data at rest, such as on a hard drive or USB drive?

Accepted Answer

AES

Answer

SHA-256

Answer

RSA

Answer

DES

Question 19

Which access control model assigns permissions based on the role of a user within an organization?

Accepted Answer

Role-Based Access Control (RBAC)

Answer

Attribute-Based Access Control (ABAC)

Answer

Discretionary Access Control (DAC)

Answer

Mandatory Access Control (MAC)

Question 20

Which data backup strategy involves creating multiple copies of data at different physical locations?

Accepted Answer

Mirroring

Answer

Snapshotting

Answer

Differential backup

Answer

Incremental backup

Question 21

Which of the following threats to data security involves tricking users into revealing sensitive information?

Accepted Answer

Phishing

Answer

Malware

Answer

Unauthorized access

Answer

Denial-of-service attacks

Question 22

Which security measure is designed to detect and respond to unauthorized network intrusions?

Accepted Answer

Intrusion Detection System (IDS)

Answer

Antivirus software

Answer

Firewall

Answer

Spam filter

Question 23

Which cloud computing service model provides users with on-demand access to computing resources?

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Software as a Service (SaaS)

Answer

Function as a Service (FaaS)

Answer

Platform as a Service (PaaS)

Question 24

Which international standard provides guidance on information security management?

Accepted Answer

ISO 27001

Answer

HIPAA

Answer

GDPR

Answer

NIST 800-53