O'Reilly logo
  • Doug Chesler thinks this is interesting:

Remember which configuration you need to view when in a lab-based exam environment. For example, show running-config shows the configuration currently in use, but show startup-config shows the saved configuration that would be in place after a reboot of the device.


From

Cover of CCNA Routing and Switching 200-125 Exam Cram, Fifth Edition

Note

show running-config=currently used Show startup-config=saved configuration