On Cisco IOS XR, for which purpose is the turboboot procedure used?
A . To boot the router into ROM Monitor mode
B . To install the IOS XR software from scratch using the ROM Monitor mode
C . To install and boot up a PIE
D . To install and boot up a SMU
E . To perform an ISSU
F . To speed up the time it takes to boot up the IOS XR router
Answer: B