What is encryption?, Converting unreadable data into readable data, Deleting sensitive information permanently, Converting readable data into an unreadable format to protect it, Compressing data to reduce file size, Which type of encryption uses the same key for both encryption and decryption?, Asymmetric Key Encryption, Symmetric Key Encryption, Hash Encryption, Public Encryption, Why is symmetric key encryption preferred for encrypting large amounts of data?, It is cheaper., It is faster and more efficient., It uses two keys., It does not require a key., During the 2017 WannaCry ransomware attack, what did the attackers do?, They deleted all files permanently., They encrypted victims' files and demanded a ransom for the decryption key., They only stole passwords., They shut down the internet., Why did Apple refuse to create a backdoor for the FBI in 2015?, Apple lost the encryption key., The iPhone was damaged., Apple believed a backdoor could weaken security and threaten the privacy of millions of users., Apple did not know how to unlock the phone., End-to-end encryption means:, Only the internet provider can read messages., Messages are encrypted only while stored., Only the sender and receiver can read the messages, Everyone with Wi-Fi can access them., Why is asymmetric encryption slower?, It compresses files., It uses a pair of keys and complex mathematical operations., It has no encryption., It works without algorithms., A hacker intercepts your encrypted banking data but doesn't have the key. What can they read?, Everything, Only your password, Nothing meaningful because it's ciphertext., Only your account balance, Which statement is FALSE?, Symmetric encryption uses one shared key, Asymmetric encryption uses public and private keys., End-to-end encryption allows only sender and receiver to read messages., Encryption makes data easier for hackers to understand., Which key is used to decrypt data in asymmetric encryption?, Public Key, Private Key, Shared Key, Session Key

Encryption & Decryption QUIZ

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