LFCS Question #426: Real Exam Question with Answer & Explanation

The correct answer is A. x509. The openssl x509 command is the designated utility in OpenSSL for inspecting and managing X.509 certificates.

Submitted by marco_it· Apr 18, 2026Essential Commands

Question

Which openssl command is used to inspect the information stored in a certificate?

The openssl x509 command is the designated utility in OpenSSL for inspecting and managing X.509 certificates.

Common mistakes.

B. show is not a standard openssl subcommand for inspecting certificate details; it does not perform this function.
C. info is not a standard openssl subcommand for inspecting certificate details; it does not perform this function.
D. openssl req is used for managing Certificate Signing Requests (CSRs), not for inspecting existing X.509 certificates.

Concept tested. OpenSSL certificate inspection command

Reference. https://www.openssl.org/docs/manmaster/man1/x509.html

#openssl#certificates#security#command-line tools

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