Frustration curdled into desperation. He typed: cisco packet tracer 7.3.1 download
His finger hovered over “Yes.” He thought of his father, a network security engineer, who always said, “The cheapest firewall is the one between your ears, son. Don’t turn it off.” cisco packet tracer 7.3.1 download
And he never, ever searched for “cisco packet tracer 7.3.1 download” again without typing site:netacad.com first. Frustration curdled into desperation
“Yes, sir. I wrote them all in Notepad as we built them.” a network security engineer