Your network contains an Active Directory forest. The forest contains a single domain and three sites named Site1, Site2, and Site3. Each site is associated to two subnets. Site1 contains two subnets named SubnetA and SubnetB.
All the client computers in the forest run Windows 10. Delivery Optimization is enabled.
You have a computer named Computer1 that is in SubnetA.
From which hosts will Computer1 download updates?