Quiz on Encryption pages 9 - 15

What does encryption primarily protect against?

• Slow internet connections.

• Inaccurate data reporting.

• Unauthorized access to sensitive information.

• Data loss during transmission.

Which type of encryption uses the same key for both encryption and decryption?

• Asymmetric encryption

• Public-key encryption

• Symmetric encryption

• Hashing

What is the main purpose of SSL/TLS protocols?

• To increase internet speed.

• To enable secure data transmission.

• To store data in databases.

• To create digital certificates.

What is ciphertext?

• Data before encryption.

• Data that is stored in plaintext.

• Data that is easily readable.

• Data that has been encrypted.

What happens during an SSL/TLS handshake?

• The encryption key is generated.

• The server sends a digital certificate.

• The client and server agree on communication rules.

• Data is immediately transmitted.

Which of the following is a disadvantage of encryption?

• It protects sensitive data.

• It ensures data integrity.

• It can slow down data processing.

• It prevents unauthorized access.

What is the role of a digital certificate in HTTPS?

• To verify the identity of the server.

• To increase website traffic.

• To encrypt the data.

• To store user passwords.

What is a common use of asymmetric encryption?

• Encrypting hard disks.

• Sending emails securely.

• Storing passwords.

• Creating backups.

What does the term 'plaintext' refer to?

• Data that is stored in a database.

• Data that is corrupted.

• Data that is readable and unencrypted.

• Encrypted data.

Which encryption method is often used for online banking?

• Hashing

• Asymmetric encryption

• Data masking

• Symmetric encryption