His finger trembled. What if the server fails? What if I’m locked out?

The Digital Key

Rohan didn’t rush. He thought of the locked iron gate at his house. He thought of the library’s worn-out register. Then he typed: “A firewall protects a network by controlling incoming and outgoing traffic—just like a gatekeeper.”

The monsoon rain hammered the tin roof of the CyberVidya learning center in Jalgaon. Inside, seventeen-year-old Rohan More stared at a flickering computer screen, his index finger hovering over the mouse.

The next question came. And the next. Each answer felt like unlocking a room inside his own mind. By the time he reached the final question, the rain had softened to a drizzle.