Cisco Exam Questions

Which three options allow or enable nondisruptive upgrades?

Which three options allow or enable nondisruptive upgrades? (Choose three.)

A.
IPS module software upgrades

B.
dualsupervisor modules on a Cisco MDS 9500 Series switch

C.
using the install-all command

D.
upgrading the loader

E.
installing a license

F.
using the reload command