题目内容
(请给出正确答案)
[单选题]
There are no boot system commands in a router configuration in NVRAM.What is the fall back sequence that router will use to find an ios during reload?()
A.Flash,TFTPserver,ROM
B.Flash,NVRAM,ROM
C.ROM,NVRAM,TFTPserver
D.NVRAM,TFTPserver,ROM
E.TFTPserver,Flash,NVRAM
![](https://lstatic.shangxueba.com/sxbcn/h5/images/tips_org.png)