Which two options describes the correct requirements for non-disruptive ISSU on Cisco Nexus 7000 Series Switches? (Choose two.)
A. updated kickstart and system images may be staged in bootflash on dual-supervisor switches
B. updated kickstart and system images may be staged remotely on single-supervisor switches
C. clock synchronization
D. updated kickstart and system images may be staged in bootflash on single-supervisor switches
E. dual supervisors
