单选题You need to upgrade the IOS of an existing router on your network. The new IOS image is located on a TFTP server that you have set up within the network. What command should you issue in order to download the new IOS version?()ARouter# copy tftp flashBRouter# copy flash runCRouter(config)# restore flashDRouter(config)# repair flashERouter#copy flash tftpFRouter# copy start flash

单选题
You need to upgrade the IOS of an existing router on your network. The new IOS image is located on a TFTP server that you have set up within the network. What command should you issue in order to download the new IOS version?()
A

Router# copy tftp flash

B

Router# copy flash run

C

Router(config)# restore flash

D

Router(config)# repair flash

E

Router#copy flash tftp

F

Router# copy start flash


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