Recall & Review
beginner
What is user authentication?
User authentication is the process of verifying who someone is before allowing access to a system or device.
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beginner
Name two common methods of user authentication.
Two common methods are passwords and physical tokens (like a security key or fingerprint).
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beginner
Why is it important to use strong passwords?
Strong passwords help protect your device from unauthorized access by making it hard for others to guess or crack your password.
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intermediate
What is two-factor authentication (2FA)?
2FA adds an extra step to login by requiring two types of proof, like a password plus a code sent to your phone.
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beginner
How does a Raspberry Pi check a user's identity during login?
It asks for a username and password, then compares the password to the stored one to decide if access is allowed.
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What does user authentication verify?
✗ Incorrect
User authentication checks the identity of the user trying to access the system.
Which of these is NOT a common authentication method?
✗ Incorrect
Screen brightness is unrelated to verifying user identity.
Why use two-factor authentication?
✗ Incorrect
Two-factor authentication adds an extra security step beyond just a password.
What should a strong password include?
✗ Incorrect
Strong passwords use a mix of characters to be harder to guess.
On a Raspberry Pi, what happens after entering your password?
✗ Incorrect
The Raspberry Pi compares the entered password to the saved one to allow access.
Explain in your own words what user authentication is and why it matters on devices like the Raspberry Pi.
Think about how you prove who you are before using a device.
You got /3 concepts.
Describe two ways to make user authentication more secure.
Consider extra steps beyond just a password.
You got /3 concepts.