The CTLA® is a 3-day course designed to provide the knowledge and skills to become a lead auditor who is able to independently conduct ANSI/TIA-942 conformity audits. The course contains lectures and a variety of business cases and testing the aspiring auditor for his/her auditing capabilities. Lead auditors will determine the conformity or nonconformity of a data center to the requirements of the ANSI/TIA-942. As such, the examination is one of the toughest exams in the data center industry.