ある企業は、テクノロジーのフットプリントを最小限に抑えるために、一部のサーバーをクラウドに移行しようとしています。同社には、オンプレミスに100のデータベースがあります。次のソリューションのうち、会社からの最小限の管理とサポートが必要なのはどれですか?
正解:A
In order from the least amount of management, to the most amount of management for the company:
SaaS > PaaS > IaaS > On-site
SaaS - Basically everything is managed by the provider
PaaS - The provider manages everything other than applications and data IaaS - The middle-ground of services. The provider takes on half, while you take on the other half. Provider is responsible for virtualization, networking, servers, and storage. The company is responsible for applications, data, runtime, OS, and middleware.
On-site - There is no service provider. The company is responsible for the whole pie.
https://www.pcmag.com/picks/the-best-database-as-a-service-solutions