QUESTION 18 A network administrator changes the configuration register to 0x2142 and reboots the router. What are two results of making this change?

QUESTION 18
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.

Answer: BD


Explanation:
The command to set the Configuration Register to 0x2142 is done in Global Configuration mode,It is done to ignore current
startup sonfiguration and initally after reload the router will ask for initial configuration,

# show version command can be used to see the confreg set to.

router(config)#config-register 0x2142