A network administrator changes the configuration register to 0x2142 and reboots the router. What are two results of making this change? (Choose two.)

A.
The IOS image will be ignored.

B.
The router will prompt to enter initial configuration mode.

C.
The router will boot to ROM.

D.
Any configuration entries in NVRAM will be ignored.

E.
The configuration in flash memory will be booted.