A customer site is set up as follows:
Aggregation-layer Cisco Catalyst 6500 Series Switches
Redundant supervisors
The customer is deploying a new version of Cisco lOS.
Which supervisor redundancy mode or modes will allow an older version of Cisco lOS to be
maintained on a standby supervisor?
A.
RPR only
B.
SSOonly
C.
RPRandSSO
D.
RPRandRPR+