1. No, they're using a cage inside a real data center in Ashburn VA which is basically data center city. 2. In the diagram you can see site 1 and site 2. 3. Y

1. No, they're using a cage inside a real data center in Ashburn VA which is basically data center city. 2. In the diagram you can see site 1 and site 2. 3. Yes, routers automatically deal with ISP failures.