ITF - Quiz 14.4 - Uses of Encryption

What is the purpose of encryption?

• To make data unintelligible to unauthorized parties

• To make data accessible to everyone

• To make data vulnerable to interception

• To make data public

What is the original, unencrypted message called?

• Cipher Text

• Plain Text

• Private Key

• Public Key

Which encryption technique uses a single secret key for both encryption and decryption?

• Symmetric Encryption

• Asymmetric Encryption

• Public Key Infrastructure

• Digital Signatures

What is the primary challenge in symmetric encryption?

• Securely distributing and storing the key

• Generating a public key

• Decrypting messages

• Ensuring data integrity

Which encryption algorithm is commonly used for symmetric encryption?

• RSA

• SHA-1

• AES

• MD5

What is the main advantage of symmetric encryption over asymmetric encryption?

• Faster encryption and decryption

• Stronger security

• Easier key distribution

• Larger key size

What is the term for the encryption technique that relies on two mathematically related keys?

• Symmetric Encryption

• Asymmetric Encryption

• Public Key Infrastructure

• Digital Signatures

What is the purpose of public keys in asymmetric encryption?

• To encrypt messages

• To decrypt messages

• To authenticate users

• To sign digital certificates

Which encryption technology is commonly used for authentication processes?

• 3DES

• AES

• RSA

• SHA-2

What role does Public Key Infrastructure (PKI) play in asymmetric encryption?

• Validating users or server computers

• Encrypting messages

• Generating private keys

• Detecting tampering