What is the most likely cause of the default running configuration?

A network engineer configures a new S-Series switch. When the network engineer reloads the switch, the running configuration is defaulted.

What is the most likely cause of the default running configuration?
A . The network engineer needs to upload a running config file from a USB drive.
B . The flash memory is corrupt and the switch needs to be replaced.
C . The switch was left in BMP mode.
D . The switch could not find a default FTP server for a configuration file.

Answer: C

Explanation:

References: http://www.dell.com/support/article/us/en/04/HOW10374