Packet Tracer version 5.3.3 is a maintenance release that fixes functional and technical issues in the previous versions. It replaces Packet Tracer version 5.3.2.
Packet Tracer 5.3.3 supports activities authored in Packet Tracer 4.x, 5.0.x, 5.1.x, 5.2.x, and 5.3.x. Please note that the last two courses of the CCNA Discovery and CCNA Exploration curricula require Packet Tracer version 4.11 at a minimum, CCNA Security requires...