When in doubt, build your own qcow2 from a legitimate .bin file using qemu-img . Never trust random files with malformed product identifiers and SEO-driven labels like “best.”
For legitimate Cisco Catalyst 9000 virtual images, always obtain them directly from Cisco’s official portal or through a verified hardware subscription. Community conversions should be downloaded only from trusted emulator forums (e.g., EVE-NG community images) with matching SHA checksums. cat9kvprd171201prd9qcow2 best