WorksheetsCOU4306 Day 01
Total questions: 16
Worksheet time: 14mins
Welcome to the Cryptography Quiz! This quiz is designed as an introduction to both the course and the fundamentals of cryptography. It is an interactive, beginner-friendly activity. Please note: This quiz is for learning purposes only and will not count toward your final grade.
Are you ready?!
1. If A = 1, B = 2, ..., what does 3 - 1 - 20 stand for?
CAT
DOG
BAT
RAT
2. Which one of the following is not a good password?
gT$9!L2z
password123
2Yf&@o^r
M7p#1bWq
3. If “MANGO” is coded as “NZOHQ” (each letter +1), what is “PEACH”?
QFBDI
QFDBI
QFBCH
QFCBI
4. What comes next in the pattern? A, C, F, J, O, _
S
U
Q
T
5. What is the main goal of cryptography?
Create long passwords
Decorate messages
Secure communication by encoding messages
Compress data for storage
6. You receive a message saying “I KNOW YOUR SECRET” in all capital letters. What’s the best first step?
Share it on social media
Ignore it
Panic
Try to verify the source
7. You find this note: “Uifsf jt b tfdsfu dpef.” What happened?
There is a great course
There is a secret code
Its a gibberish
Its in another language
8. Three core principles that guide the development and implementation of security systems.
Confidentiality, Integrity, Accessibility
Contentment, Internet, Availability
Confidentiality, Integrity, Availability
Communicative, Interact, Access
9. What does "encryption" mean?
Hiding a file
Turning readable data into unreadable code
Compressing data
Writing with a pen
10. What is the opposite of encryption
Hashing
Decryption
Signing
Scanning
11. Encryption makes data completely secure from everyone, forever.
True
False
12. Sharing your private key is safe if it's with a trusted friend.
True
False
13. Anyone can read an encrypted message if they have the encryption key.
True
False
14. A message that looks like random letters (e.g., “XJHZN”) is encrypted.
True
False
15. Cryptography is only useful when sending messages — it’s not used for storing
True
False
