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WorksheetsCryptography and Security Quiz
Total questions: 15
Worksheet time: 8mins
What is the process of scrambling information so only someone with the right key can read it?
Encryption
Plaintext
Ciphertext
Authentication
What is information in its readable, original form before it’s encrypted called?
Plaintext
Ciphertext
Encryption
Data Integrity
What is encrypted information that looks like random nonsense until it’s decrypted called?
Ciphertext
Plaintext
Encryption
Digital Certificate
What is a piece of information (like a code) used to encrypt or decrypt data called?
Key (in cryptography)
Public Key
Private Key
Certificate Authority
What is a key that anyone can have and is used to encrypt data before sending it?
Public Key
Private Key
Symmetric Encryption
Digital Certificate
What is a key that is kept secret and used to decrypt messages encrypted with the matching public key?
Private Key
Public Key
Symmetric Encryption
Authentication
What is an encryption system using two keys — one public, one private — so people can securely exchange information?
Public-Key Cryptography (Asymmetric Encryption)
Symmetric Encryption
HTTPS
Man-in-the-Middle Attack
What is an older method of encryption using one shared key for both encrypting and decrypting?
Symmetric Encryption
Public-Key Cryptography
Digital Certificate
Secure Connection
What is the secure version of HTTP that uses encryption so websites and users can communicate safely?
HTTPS (Hypertext Transfer Protocol Secure)
HTTP
Symmetric Encryption
Authentication
What is a verified document issued by a trusted organization that proves a website is legitimate and owns its public key?
Digital Certificate
Certificate Authority
Public Key
Private Key
What is a trusted third-party organization that issues digital certificates (like an internet 'notary')?
Certificate Authority (CA)
Digital Certificate
Public Key
Authentication
What is the process of verifying that a person or website is really who they claim to be?
Authentication
Encryption
Data Integrity
Man-in-the-Middle Attack
What ensures that information hasn’t been altered or tampered with during transmission?
Data Integrity
Authentication
Encryption
Secure Connection
What is a cyberattack where someone secretly intercepts or alters data being sent between two parties?
Man-in-the-Middle Attack
Data Integrity
Authentication
Symmetric Encryption
What is a connection that uses encryption to protect data from eavesdropping or tampering?
Secure Connection
Symmetric Encryption
Public Key
Digital Certificate
