Unlike today’s single sign-on (SSO) systems, Packet Tracer 6.0.1 requires a but does not need constant internet verification.
. While modern versions like 9.0.0 are now available, version 6.0.1 remains a reference point for older curriculum and system environments. Slideshare Key Features of Version 6.0.1 Cisco Packet Tracer 6.0 1 Free-- Download Filehippo