Exam 1: Terminology Match
Identify the correct term for scrambled data that cannot be read without a key.
Ciphertext
Original data (Plaintext) becomes Ciphertext after encryption.
Exam 2: The Interception Trap
Explain how encryption protects data being sent over a network. [2 Marks]
⚠️ The Trap
"Encryption stops hackers from being able to steal your data."
✅ The Mark Scheme
1. If data is intercepted, it is meaningless/unreadable.
2. It requires a decryption key to be understood.
Exam 3: Technical Lab
Caesar Cipher (Shift +3). What is the ciphertext for 'DATA'?
G D W D
D(+3)=G | A(+3)=D | T(+3)=W | A(+3)=D
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