Practical exercise
Backing up your photos safely: try it yourself

1. 3-2-1 Rule
3 copies, 2 media types (drive + cloud), 1 offsite (cloud).
2. Auto Backup
Set Google Photos, iCloud, or Backblaze to auto-upload.
3. External Drive Routine
Plug in drive every Sunday; copy new photos.
4. Verify Backup
Randomly open backed-up photos; ensure they’re not corrupted.
5. Delete Safely
Only delete originals after confirming 2 backups exist.
