Root Certificate: It is issued and signed by the Certificate Authority. A self-signed certificate adhering to X.509 standards is typically pre-downloaded in most browsers and stored in a trust store.
Intermediate Certificate: It connects the end-user certificate to the root CA, establishing a link between the secure root and server certificate.
Server Certificate: A server is a digital certificate issued to a web server by a CA for a specific domain. It ensures security, scalability, and compliance with CA standards.