Encryption and Hashing Concepts

What is the primary purpose of encryption?

• To make data easily accessible since we are in the new age of technology and security matters.

• To convert data into a readable format

• To convert easily understood information into something not easily understood

• To delete data permanently

What is an example of a simple letter-number substitution in encryption?

• "A" being represented by "Z"

• "1" being substituted for "A"

• "B" being represented by "A"

• "C" being represented by "Z"

What is required to decode encrypted information?

• A password

• An authorized recipient

• A simple key

• A public document

What does encryption require to decrypt data?

• A public key

• A decryption key

• A simple password

• A random number

What is an elementary form of encryption mentioned in the text?

• Complex algorithms

• Simple letter-number substitution

• Biometric scanning

• Quantum encryption

What is ciphertext?

• Unencrypted information.

• A type of encryption key.

• Data that looks like random, meaningless characters.

• A method to store data securely away from bots, photographers, and hackers.

What is the purpose of encryption?

• To make data accessible to everyone.

• To protect data from unauthorized viewers.

• To delete data permanently so that it cannot be recovered.

• To create data backups.

What is another term for an encryption algorithm?

• Key

• Cipher

• Plaintext

• Cleartext

What is the relationship between plaintext and ciphertext?

• Plaintext is encrypted to become ciphertext.

• Ciphertext is decrypted to become plaintext.

• Both A and B.

• Neither A nor B.

What does an authorized user need to decrypt data?

• A password

• A key

• A cipher

• A plaintext