Ace the DFW SIDA Pocketbook Challenge 2026 – Secure Your Spot as a Security Pro!

The key idea is access control inside the airport. The area that is restricted to authorized personnel and sits inside the secured zones is the Security Identification Display Area. This designation covers the parts of the airport where entry is controlled and only people with a valid credential (displayed ID) may enter. The Outer Perimeter lies outside those secured zones, so it isn’t the correct term. The Sterile Area is within the secured zones as a post-security space, but the term that specifically describes the credential-restricted area inside the secured zones is SIDA. TSA offices are administrative spaces and not the credential-restricted area described.