The two possible checks for ensuring user entitlement before access to a service are "Confirming user identity when users contact the service desk team for support" (2) and "Ensuring users receive training for services that require certification" (3). ITIL 4 suggests that verifying user identity is afundamental step in ensuring that access is only provided to authorized users, and that proper training and certification may be required before granting access to certain services to ensure security and compliance.