Which statement best explains what a digital certificate ties together?

Which statement best explains what a digital certificate ties together?

• A. The website's identity and its public key are bound to the same entity.
• B. The IP address and domain name are guaranteed to be unique.
• C. The certificate ensures the site has no malware.
• D. The certificate stores user credentials.

Answer: (A)

A digital certificate binds the website’s claimed identity to its cryptographic key. It includes the site's identity (like the domain name) and a public key, and is issued by a trusted Certificate Authority after the site proves ownership. This binding lets your browser trust that the public key actually belongs to that site, so it can securely exchange data and verify who you’re talking to. The certificate itself does not guarantee that the site has no malware, nor does it store user credentials, and it doesn’t by itself ensure unique IPs or domain names—those are handled by DNS and other systems. In short, the certificate links the site’s identity to its public key, enabling trusted, encrypted communication.

A digital certificate binds the website’s claimed identity to its cryptographic key. It includes the site's identity (like the domain name) and a public key, and is issued by a trusted Certificate Authority after the site proves ownership. This binding lets your browser trust that the public key actually belongs to that site, so it can securely exchange data and verify who you’re talking to. The certificate itself does not guarantee that the site has no malware, nor does it store user credentials, and it doesn’t by itself ensure unique IPs or domain names—those are handled by DNS and other systems. In short, the certificate links the site’s identity to its public key, enabling trusted, encrypted communication.