1. What is a Certificate Authority (CA)?

• A tool for encrypting email

• B. A trusted organization that issues digital certificates

• A government entity that monitors internet use

• A type of browser plugin

Which of the following best describes the CA’s role in HTTPS?

• Enforcing browser updates

• • Blocking malware

• Verifying domain/control and issuing SSL/TLS certificates

• Caching web pages for faster access

1. What analogy is used to explain a CA?

• A passport authority

• A bank vault

• An internet firewall

• A password manager

1. Which part does not belong to the standard PKI model?

• • Root certificate

• Intermediate certificate

• Browser cache

• Server (leaf) certificate

What type of validation indicates the highest level of vetting by a CA?

• Domain Validation (DV)

• Organization Validation (OV)

• Email Validation

• Extended Validation (EV)

What does a wildcard SSL/TLS certificate cover?

• A single domain

• Unlimited subdomains of one domain

• A multi-country domain

• Multiple domains

1. Which of the following is a common use case for SSL/TLS certificates?

• Establishing secure connections for websites

• Securing email communications

• Protecting data at rest

• Monitoring network traffic

1. What does the term 'certificate chain' refer to?

• A method for encrypting multiple files

• A type of digital signature

• A sequence of certificates that establishes trust

• A backup system for certificates

Which certificate type helps ensure software hasn't been tampered with?

• Code Signing certificate

• Email Signing certificate

• Root certificate

• SSL/TLS certificate

What standard do digital certificates issued by public CAs follow?

• X.509

• ACL

• SMTP

• DNSSEC