Book: How to Set Up SSO with Kerberos
Revision: n_2307741_how-to-set-up-sso-with-kerberos_version_7.0_edition_1.0_release_0-revision_8365953
Section: 3.1.2. Update the Security Domain for Fallback Authentication

Issue description: Each xml snippet should be tight with CLI command

Suggestions for improvement: Please provide CLI commands for "Add a new security domain to server as a fallback authentication method." and "Add a usernamePasswordDomain module option to the web application security domain that points to the fallback domain. "