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SY0-701 · Question #532

An administrator is installing an SSL certificate on a new system. During testing, errors indicate that the certificate is not trusted. The administrator has verified with the issuing CA and has…

The correct answer is C. If the root certificate is installed. When a browser or system encounters an SSL certificate, it walks a chain of trust from the server's certificate up through any intermediate CAs to a root certificate stored in the system's trusted certificate store. If that root certificate is missing from the local trust…

Submitted by minji_kr· Mar 6, 2026Security operations

Question

An administrator is installing an SSL certificate on a new system. During testing, errors indicate that the certificate is not trusted. The administrator has verified with the issuing CA and has validated the private key. Which of the following should the administrator check for next?

Options

  • AIf the wildcard certificate is configured
  • BIf the certificate signing request is valid
  • CIf the root certificate is installed
  • DIf the public key is configured

How the community answered

(30 responses)
  • A
    17% (5)
  • B
    7% (2)
  • C
    73% (22)
  • D
    3% (1)

Explanation

When a browser or system encounters an SSL certificate, it walks a chain of trust from the server's certificate up through any intermediate CAs to a root certificate stored in the system's trusted certificate store. If that root certificate is missing from the local trust store, the entire chain fails - even if the certificate itself is valid and properly signed. This is exactly why the error says "not trusted" rather than "invalid."

Why the distractors are wrong:

  • A (wildcard certificate): A misconfigured wildcard would cause a hostname mismatch error, not a general trust failure.
  • B (certificate signing request): The CSR is only used during certificate generation; once the cert is issued, the CSR is irrelevant to trust validation.
  • D (public key): The public key is embedded in the certificate itself - it doesn't need separate configuration, and a bad public key would cause a different type of error.

Memory tip: Think of it as a "chain of trust" - if your chain has a missing link at the top (the root CA), nothing below it can be trusted. The phrase "not trusted" = "root not found."

Topics

#SSL/TLS#PKI#Certificate Management#Troubleshooting

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