CV0-002 · Question #292
A cloud administrator configures a new web server for the site https://companyname.com. The administrator installs a wildcard SSL certificate for *.companyname.com. When users attempt to access the…
The correct answer is A. Certificate misconfigured. The most likely cause of a certificate error when accessing https://companyname.com with a wildcard certificate for *.companyname.com is a misconfiguration, as wildcard certificates do not typically cover the base domain.
Question
A cloud administrator configures a new web server for the site https://companyname.com. The administrator installs a wildcard SSL certificate for *.companyname.com. When users attempt to access the site, a certificate error is received. Which of the following is the MOST likely cause of the error?
Options
- ACertificate misconfigured
- BCertificate expired
- CCertificate revoked
- DCertificate not signed
How the community answered
(47 responses)- A74% (35)
- B9% (4)
- C13% (6)
- D4% (2)
Why each option
The most likely cause of a certificate error when accessing `https://companyname.com` with a wildcard certificate for `*.companyname.com` is a misconfiguration, as wildcard certificates do not typically cover the base domain.
A wildcard SSL certificate for `*.companyname.com` is designed to secure subdomains (e.g., `www.companyname.com`, `app.companyname.com`), but it typically does not secure the naked or root domain (`companyname.com`) itself. When accessing the root domain, the browser will report a name mismatch error.
If the certificate had expired, the error message would specifically indicate an expiration, not a generic certificate error often associated with a name mismatch.
Concept tested: Wildcard SSL certificate usage, common name mismatch
Source: https://www.cloudflare.com/learning/ssl/what-is-a-wildcard-ssl-certificate/
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