Google Cloud Associate Cloud Engineer · Free practice question 3 of 12
Auto mode VPC creates regional subnets
An engineer at Brindle Sports creates a new VPC network in auto mode. What happens to subnets?
- A.No subnets are created until the engineer adds them manually
- B.A single global subnet is created that spans all regions
- C.One subnet is created automatically in each region from a predefined IP range, and subnets are added as new regions become available
- D.One subnet is created in each zone of the engineer's default region
Show answer and explanation
Correct answer: C. One subnet is created automatically in each region from a predefined IP range, and subnets are added as new regions become available
Why: Auto mode networks automatically get one subnet per region using predefined ranges within 10.128.0.0/9, and new regions get subnets added automatically. Custom mode networks start with no subnets. Subnets are regional, never global or zonal.
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