{"id":"vpc-subnet-single-az","text":"A VPC subnet resides in exactly one Availability Zone and cannot span multiple AZs.","truth_value":"IN","source":"entries/2026/03/08/vpc-overview.md","source_url":"","source_hash":"bf7b79e62bf79dd0","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"vpc-subnet-single-az","truth_value":"IN","reason":"premise"}]}}