An organization wants a single cryptographic method that will cover multiple subdomains. Which approach is the best choice to address these needs?
Domain-validated credential
Subject Alternative Name
Extended validation approach
Wildcard certificate
One listed approach allows a single key to secure an unlimited set of subdomains. Others aim to validate a single domain, require separate entries per domain, or focus on an extended validation process that does not expand subdomain coverage. The recommended approach reduces management tasks when new subdomains are added.
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