If you are creating your own activity and want to secure it: Open your lab in Packet Tracer. Go to . In the left-hand navigation pane, select Password . Enter your desired password and click Enable Password .

It prevents students from viewing the answer key, changing the scoring rules, or bypassing restricted commands.

Note: These are community-suggested defaults and may not work for custom-built university or NetAcad labs. How to Set or Change the Password (For Instructors)

When a file is password-protected, clicking Extensions > Activity Wizard (or pressing Ctrl+W ) will trigger a prompt for credentials. Common "Default" Passwords

If you are a student and your lab is asking for a password you weren't given:

Sometimes changing the "User Profile" (Options > User Profile) can force a lab to reset, which might clear certain local lockouts.