CASP+: Component of Public Key Infrastructure (PKI) Quiz

What does PKI stand for?

• Protected Key Infrastructure

• Public Key Infrastructure

• Personal Key Infrastructure

• Private Key Infrastructure

What is the purpose of the public key in PKI?

• To manage servers

• To authenticate users

• To encrypt messages

• To decrypt messages

What is needed to decrypt a message encrypted with a public key?

• Registration authority

• Digital certificate

• Private key

• Public key

What is the role of a Certificate Authority (CA) in PKI?

• Manage public keys

• Encrypt messages

• Authenticate users

• Issue and guarantee certificates

What is the purpose of a Registration Authority (RA) in PKI?

• Manage servers

• Issue certificates

• Encrypt messages

• Validate certificate requests

What is a Certificate Signing Request (CSR) used for?

• To validate certificates

• To encrypt messages

• To create certificates

• To manage servers

What information is included in the Common Name (CN) field of a certificate?

• City location

• Server domain name

• Organization name

• Key type and length

What is the purpose of the Subject Alternative Name (SAN) field in a certificate?

• Identify the country

• Identify alternate names

• Identify the organization

• Identify the key type

What is the function of an Intermediate CA in the hierarchical model of PKI?

• Manage servers

• Issue certificates to root CAs

• Issue certificates to subjects

• Validate certificate requests

What is the main advantage of having multiple Intermediate CAs in the hierarchical model?

• Increased security

• Self-signed certificates

• Different certificate policies

• Faster encryption