A customer purchased an elastic cloud server to deploy its business. In order to save costs, it is planned to shut down some servers when the business traffic is low.
After shutdown, which of the following basic resources are not billed? (Multiple choice)

Huawei Cloud () service is a one-stop cloud DerSecOps platform for developers. From requirement distribution to code submission and construction, testing and verification, deployment and operation and maintenance, it opens up the complete path of software delivery and provides software R&D hosting Operation and maintenance end-to-end support. (Please fill in the English name of the service)

The ASI control plane and data plane of the Huawei Cloud application service grid are fully compatible with the open source sti0, and can seamlessly connect with Huawei Cloud's enterprise-level cloud container service CCE, providing customers with an out-of-the-box hands-on experience.

Which of the following items are included in the billing items of the function workflow Function Graph? (Multiple choice)

Which of the following descriptions about NAT gateways is wrong?