How does one obtain an IPAWS Training and Demonstration Environment (also referred to as the IPAWS TSSF Environment) digital certificate? A. By traveling to the IPAWS TSSF and completing the Federal Emergency Management Agency (FEMA) hands-on training course. B. By accessing the IPAWS TSSF Environment and testing. C. By completing the Federal Emergency Management Agency (FEMA) online training course (IS-247) and checking connectivity to the IPAWS TSSF Environment. D. By completing the Federal Emergency Management Agency (FEMA) online training course (IS-247)