单选题A cisco router is booting and has just completed the POST process.It is now ready to find and load an IOSimage.what function does the router perform next?（）AIt checks the configuration registerBIt attempts to boot from a TFTP serverCIt loads the first image file in flash memoryDIt inspects the configuration file in NVRAM for boot instructions
单选题
A cisco router is booting and has just completed the POST process.It is now ready to find and load an IOSimage.what function does the router perform next?（）
A
It checks the configuration register
B
It attempts to boot from a TFTP server
C
It loads the first image file in flash memory
D
It inspects the configuration file in NVRAM for boot instructions
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