Cat9kv-prd-17.12.01prd9.qcow2

: This seems to represent the software version, which in this context, likely refers to the IOS (Internetwork Operating System) version of the device. Cisco periodically releases updates to their IOS to add features, fix bugs, and address security vulnerabilities.

: Cisco Live sessions such as BRKOPS-2455 and DEVNET-1441 provide in-depth technical backgrounds on operating virtualized Catalyst switches. cat9kv-prd-17.12.01prd9.qcow2