Understanding Data Security in Business

What is data integrity in the context of database management?

• The process of backing up data regularly

• Ensuring data is accurate and consistent over its lifecycle

• Encrypting data to prevent unauthorized access

• Storing data in multiple locations

Which of the following is a common database security measure?

• Using a single password for all users

• Implementing access controls and permissions

• Allowing unrestricted data access

• Disabling all user authentication

What is the primary purpose of hashing algorithms in data security?

• To compress data for storage

• To encrypt data for secure transmission

• To convert data into a fixed-size string of characters

• To organise data in a database

In a business context, what is the role of data management?

• To delete unnecessary data

• To ensure data is used effectively to support business decisions

• To store data in physical files

• To prevent data breaches

Which technique is commonly used for user authentication?

• Data encryption

• Passwords and biometric verification

• Data hashing

• Data compression

What is the main advantage of data encryption?

• It reduces data size

• It prevents data loss

• It protects data from unauthorized access

• It speeds up data processing

Which of the following is an example of a hashing algorithm?

• AES

• SHA-256

• RSA

• DES

How does business in IT benefit from effective data management?

• By reducing the need for IT staff

• By improving decision-making and operational efficiency

• By increasing data redundancy

• By eliminating the need for data security

What is a common method for ensuring data integrity?

• Regular data audits and validation checks

• Encrypting all data

• Storing data in a single location

• Allowing unrestricted data access

Which of the following is NOT a user authentication technique?

• Passwords

• Biometric scans

• Data encryption

• Security tokens