A certification authority is a commercial company that issues and validates identities using digital signatures for a fee.

Question

Quizplus · Accepted Answer

This is generally true. However, some certification authorities may not be commercial companies, such as government-run certification authorities. Additionally, while they do charge a fee for their services, this is not the only way that they generate revenue (for example, they may also sell other security-related services).

A Certification Authority Is a Commercial Company That Issues and Validates