You're Marisol Vega, a first-year network apprentice at Tidewater Freight Co. The warehouse just got 60 new handheld scanners and tablets, and hand-typing an address into each one is a non-starter. Your task: bring up a DHCP scope on the edge router TW-EDGE-01 so devices on the 10.42.7.0/24 fleet LAN lease their own addresses — while keeping the low addresses free for switches, printers, and the gateway. Work the console on the left. The checklist and scope meter on the right update as you go.