多选题What are two requirements to perform a warm Cisco IOS upgrade on a Cisco ISR router? （）(Choose two.)Aat least one enabled Ethernet interfaceBCisco IOS version 12.3(2)T or greaterCenough memory to decompress the new Cisco IOS imageDinternal flash memory equaling two times the space required for the current Cisco IOS image
多选题
What are two requirements to perform a warm Cisco IOS upgrade on a Cisco ISR router? （）(Choose two.)
A
at least one enabled Ethernet interface
B
Cisco IOS version 12.3(2)T or greater
C
enough memory to decompress the new Cisco IOS image
D
internal flash memory equaling two times the space required for the current Cisco IOS image
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