Which two authentication types does Cisco UCS Manager support when configuration authentication?
(Choose two.)
In an FCoE environment, for which two sets of data must an interface that implements the PAUSE mechanism always provision sufficient ingress buffer? (Choose two.)
A network engineer must SPAN only the ingress traffic of a Cisco MDS 9000 series switch from interface fc
1/23 to interface fc 1/24. Which two configuration must be applied to complete this task? (Choose two)

Due to a major version change, an engineer must perform a software upgrade on a Cisco Nexus Series switch.
Which two technologies can be implemented to reduce disruptions to the network during the upgrade?
(Choose two.)