Encryption and Data Security Quiz

What is the process of unscrambling an encrypted message to make it readable?

• Encryption

• Asymmetric encryption

• Decryption

• Symmetric encryption

What is the name of the algorithm that substitutes each letter in the original message with a letter a certain number of steps down the alphabet?

• AES algorithm

• RSA algorithm

• Diffie-Hellman algorithm

• Caesar's Cipher algorithm

What is the key length used in today's secure communications for encryption?

• 128-bit

• 192-bit

• 256-bit

• 512-bit

What type of encryption requires the sender and the receiver to share the same key to scramble and unscramble a message?

• Asymmetric encryption

• Public key encryption

• Private key encryption

• Symmetric encryption

What is the foundation of all secure messaging on the open internet, including the security protocols known as SSL and TLS?

• Asymmetric encryption

• Caesar's Cipher

• Public key cryptography

• Symmetric encryption

What does the little lock or the letters https in a browser's address bar indicate?

• Public key encryption

• Symmetric encryption

• Insecure connection

• Secure connection

What is the purpose of using asymmetric keys in public key cryptography?

• To exchange secure messages without needing to agree on a private key

• To agree on a private key

• To decrypt data

• To encrypt data

What will be the need for securing data as more and more people get on the internet?

• Less important

• More important

• Equally important

• Not necessary