Quiz — Data Protection Principles — Cybersecurity Fundamentals with AI

Module 4 Knowledge Check — apply cryptography judgment

You mapped plaintext/ciphertext, symmetric vs asymmetric, hashing, HTTPS/TLS, and hands-on encrypt/decrypt. These ten APPLY questions reward correct decisions under pressure. Good luck!

Practice QuizQuestion 1

Multiple choice

Q1

APPLY: Which method uses a linked public key (shareable) and private key (secret)?

Practice QuizQuestion 2

Multiple choice

Q2

APPLY: You must store passwords so even DB admins cannot reverse them to plaintext. Choose:

Practice QuizQuestion 3

Multiple choice

Q3

APPLY: What does the "S" in HTTPS primarily indicate?

Practice QuizQuestion 4

Multiple choice

Q4

APPLY: A phishing site shows a padlock. Best interpretation?

Practice QuizQuestion 5

Multiple choice

Q5

APPLY: openssl dgst -sha256 file.txt is primarily used to:

Practice QuizQuestion 6

True or False

Q6

APPLY: True or False: Symmetric encryption uses the same secret for encrypt and decrypt.

Practice QuizQuestion 7

Select all that apply

Q7

APPLY: Which are valid reasons to encrypt sensitive data? (Select 2)

Practice QuizQuestion 8

Multiple choice

Q8

APPLY: Why do browsers and servers use hybrid cryptography in TLS?

Practice QuizQuestion 9

True or False

Q9

APPLY: True or False: End-to-end encryption means only sender and intended recipient can read message content — not even the service operator under normal design.

Practice QuizQuestion 10

Select all that apply

Q10

APPLY: Which practices protect encryption keys? (Select 2)