A WLAN engineer has been asked to upgrade the software on a MSE 3365 Appliance. The engineer cannot access the system using the root password and the Grub password as the details had never been documented. How should the engineer perform the password recovery?
A. Use a console cable.
B. Contact Cisco TAC and arrange an RMA of the MSE.
C. Boot the MSE using the software installation DVD.
D. The Password can be reset using Prime Infrastructure.
B for sure
Refer:
https://www.cisco.com/c/en/us/td/docs/wireless/mse/3350/quick/guide/mse_qsg/mse_qsgmain.html#wp1053115
If you forget the GRUB password, you cannot login and you will need to contact TAC to arrange for an RMA.
Answer is B because to recover root password when you go into the Grub loader the Grub loader also needs password before you can access the boot menu
so Cisco TAC RMA option B
ambiguity is here
Grub password as the details had never been documented
b