$1.$ Why might a Google Cloud customer use resources in several regions around the world?

To bring their applications closer to users around the world, and for improved fault tolerance

To offer localized application versions in different regions.

To improve security

To earn discounts

$2.$ What is the primary benefit to a Google Cloud customer of using resources in several zones within a region?

For improved fault tolerance

For better performance

For expanding services to customers in new areas

For getting discounts on other zones

$3.$ What type of cloud computing service lets you bind your application code to libraries that give access to the infrastructure your application needs?

Software as a service

Hybrid cloud

Platform as a service

Infrastructure as a service

Virtualized data centers