Summary:If TFTP isn't secure, why use it?  Learn the details for your CCNA and real-world success from Chris Bryant, CCIE #12933. Keywords:ccna, free, tutorial, tftp, router, copy, ios, image, pass, icnd, run, start, bryant, advantage Article Body:One of the first things you do when you start studying for the CCNA exam is memorizing a list of port numbers and the protocols that run on...