Quiz on Public Key Infrastructure (PKI)

What does PKI stand for?

• Private Key Infrastructure

• Public Key Integration

• Private Key Integration

• Public Key Infrastructure

Which algorithm is widely used for secure data transmission?

• AES

• RSA

• Blowfish

• DES

What is the purpose of a digital certificate?

• To encrypt messages

• To assure authenticity of the sender

• To generate keys

• To create digital signatures

What is the role of a Certification Authority (CA)?

• To validate keys and issue certificates

• To create public keys

• To generate private keys

• To encrypt messages

What is a characteristic of asymmetric cryptography?

• Different keys for encryption and decryption

• Same key for encryption and decryption

• Faster than symmetric cryptography

• Requires less computational power

What does a digital signature ensure?

• Authentication

• Availability

• Integrity and non-repudiation

• Confidentiality

Which of the following is a type of digital certificate?

• Symmetric-key

• Self-signed

• Public-key only

• Private-key only

What is the purpose of the Diffie-Hellman protocol?

• To sign documents

• To establish a shared secret key

• To create digital certificates

• To encrypt messages