Cryptography Quiz

What is the main purpose of Cryptography?

• To confuse people

• To secure information and communications through the use of codes

• To make information public to everyone

• To slow down data processing

Which type of Cryptography uses a single common key for encryption and decryption?

• Hash Functions

• Secure Hash Algorithm (SHA)

• Symmetric Key Cryptography

• Asymmetric Key Cryptography

What feature of Cryptography ensures that information cannot be modified without detection?

• Confidentiality

• Integrity

• Non-repudiation

• Authentication

Which Cryptography algorithm is widely regarded as the replacement of DES?

• RSA

• Advanced Encryption Standard (AES)

• Data Encryption Standard (DES)

• Secure Hash Algorithm (SHA)

What is the main advantage of Cryptography related to access control?

• It slows down access to resources

• It makes resources public to everyone

• It ensures only parties with the proper permissions have access

• It allows anyone to access resources

Which application of Cryptography is used to protect transactions and prevent fraud in digital currencies like Bitcoin?

• Computer passwords

• Secure web browsing

• Electronic signatures

• Digital Currencies

What is the main challenge of Cryptography related to key management?

• Access Control

• Managing keys carefully

• Quantum computing

• Human error

Which type of Cryptography algorithm uses a pair of keys for encryption and decryption?

• Hash Functions

• Symmetric Key Cryptography

• Data Encryption Standard (DES)

• Asymmetric Key Cryptography

What is the main application of Cryptography related to authentication?

• Cryptocurrencies

• End-to-end Internet Encryption

• Secure web browsing

• Authentication

Which feature of Cryptography ensures that the creator/sender of information cannot deny his intention to send information at a later stage?

• Confidentiality

• Integrity

• Non-repudiation

• Authentication