When a microservice application has a large flow of access requests and a single instance cannot bear the load, it can distribute the traffic to multiple instances to process requests through load balancing, thereby optimizing the response time and preventing instance overload.

An e-commerce customer's business system is deployed on Huawei Cloud. In order to meet the needs of multiple cloud servers to share files, the operation and maintenance personnel plan to realize the sharing of business data by mounting the NFS file system.
Which of the following descriptions about the prerequisites for mounting NFS are correct? (Multiple choice)

Fumctionbreph is an event-driven function hosting computing service in Huawei Cloud. Using unctimhraph does not require writing business function codes or setting running conditions. It only needs to configure and manage infrastructure such as servers, and function computing can run elastically and efficiently.

Cloud container engine service CCE provides highly scalable and high-performance enterprise-level Kubernetes clusters and supports running Docker containers. With the help of cloud container engine, users can easily deploy, manage, and expand containerized applications on the cloud.

In the practical guidance of microservices, () microservices can be published in gray scale.