Cryptography Quiz

What is the main purpose of cryptography in data security?

• Ensuring availability of data

• Improving data processing speed

• Protecting data from unauthorized access

• Increasing data storage capacity

Which cryptographic technique enables secure authentication and authorization for access control?

• Digital signatures

• Hashing

• Public key encryption

• Symmetric encryption

What does cryptography support in terms of privacy preservation?

• Protection of personal information

• Data sharing without restrictions

• Public disclosure of sensitive data

• Data manipulation for marketing purposes

Which technology provides encrypted end-to-end communication for secure communications?

• SMTP

• SSL/TLS

• FTP

• HTTP

What is the importance of secure communications in modern interconnected systems?

• Increasing vulnerability to cyber threats

• Building trust in digital interactions

• Reducing data confidentiality

• Limiting access to resources

Which blockchain-based platform utilizes cryptography for decentralized digital currencies?

• Bitcoin

• Instagram

• Facebook

• Twitter

What do SSL/TLS and IPsec protocols enable in terms of secure communication?

• Secure internet and network communications

• Social media interactions

• Online gaming

• Video streaming

What does cryptography ensure in secure online transactions in e-commerce?

• Decreased security measures

• Public access to transaction details

• Confidentiality and integrity of financial data

• Data manipulation

Which encryption technique is crucial for securing mobile devices and communications?

• Symmetric encryption

• Asymmetric encryption

• Digital signatures

• Hashing

How does cryptography contribute to securing IoT devices?

• Reducing computational resources

• Protecting sensitive data with end-to-end encryption

• Limiting data privacy

• Increasing attack surface