Understanding Cryptography Fundamentals

Which of the following is a symmetric encryption algorithm?

• RSA

• AES

• DSA

• ECC

What is the main difference between symmetric and asymmetric encryption?

• Symmetric uses two keys, asymmetric uses one key

• Symmetric uses one key, asymmetric uses two keys

• Both use the same number of keys

• Symmetric is slower than asymmetric

Which cryptographic technique is primarily used to ensure data integrity?

• Hash functions

• Symmetric encryption

• Asymmetric encryption

• Steganography

Which of the following is NOT a property of a good cryptographic hash function?

• Deterministic output

• Easy to reverse

• Collision resistance

• Fast computation

Which algorithm is commonly used for digital signatures?

• DES

• DSA

• RC4

• Blowfish

What is the main purpose of a digital signature?

• Encrypt data

• Verify authenticity and integrity

• Compress data

• Generate random numbers

Which of the following is a key management technique?

• Key escrow

• Key painting

• Key hashing

• Key padding

Which protocol is commonly used to secure web traffic?

• FTP

• HTTP

• SSL/TLS

• SMTP

Which of the following is an example of asymmetric encryption?

• AES

• DES

• RSA

• 3DES

What is the output of a hash function called?

• Ciphertext

• Plaintext

• Digest

• Key