Cybersecurity Fundamentals: Encryption and Secure Communication

Engineering

Knowledge check on how encryption protects data in transit and at rest

10 XP
Reward
10
Questions
5–10 min
Time
Q1 Question 1 of 10

What is encryption?

Q2 Question 2 of 10

What is the difference between symmetric and asymmetric encryption?

Q3 Question 3 of 10

What is 'end-to-end encryption' (E2EE)?

Q4 Question 4 of 10

What is a 'VPN' (Virtual Private Network) and when should you use one?

Q5 Question 5 of 10

What is 'hashing' and how is it used for passwords?

Q6 Question 6 of 10

What is a 'digital certificate' (SSL/TLS certificate)?

Q7 Question 7 of 10

If you receive an unexpected code by SMS from a website you didn't try to log into, what could this mean?

Q8 Question 8 of 10

What is 'public key infrastructure' (PKI) in simple terms?

Q9 Question 9 of 10

What is 'two-factor authentication' (2FA) and how does it differ from a password alone?

Q10 Question 10 of 10

What should you do if a browser shows 'Your connection is not private' or a certificate warning?