Which action must be performed before renumbering a Cisco UCS chassis?

Which component is upgraded by using an EPLD upgrade on a Cisco Nexus 9000 Series Switch?

Refer to the exhibit. A network engineer must configure an authentication solution for Cisco UCS with these conditions:
*Two-factor authentication must be enabled for all UCS user authentication.
*All AAA packets must be encrypted and use TCP port 49 to establish communication.
Which set of actions needs these requirements?

An engineer needs to make an XML backup of Cisco UCS Manager The backup should be transferred using an authenticated and encrypted tunnel and it should contain all system and service profiles configuration Which command must be implemented to meet these requirements?

An engineer mus! configure the remote SSH management connectivity for Cisco Nexus 9000 Series Switches to meet these requirements
* The connectivity must be permitted from a jump host with an IP address of 10 10.10 10/24
* All switches must be permitted to connect via SSH to other devices from the subnet of 10 .20.20.0/24.
Which configuration set accomplishes these requirements?