Upgrade an ASA using CDO.
* ASAs need to be in the "Sync" state in order for CDO to allow an upgrade to be run on them
* Select ASA1. Run an upgrade on ASA. Execute the upgrade to run immediately
* Select ASA2. Run an upgrade on ASA2, but choose to schecule it
* Select both ASA3 & ASA4. See that you can perform the same ASA upgrade functions across multiple devices as you can for one device.