A system administrator is troubleshooting connectivity issues between a cloud-based application and a third-party API over HTTPS. While inspecting the issue, she needs to confirm if the SSL certificate presented by the API endpoint is valid and has not expired. Which of the following commands should the administrator execute to retrieve and verify the SSL certificate details directly from the command line?
openssl x509 -in cert.pem -text
openssl req -new -key domain.key -out domain.csr
openssl pkcs12 -export -out cert.pfx -inkey key.pem -in cert.pem
openssl s_client -connect api.example.com:443