Network QoS refers to the use of various basic technologies to provide better service capabilities for designated network communications. Configuring QoS in the network environment can increase the predictability of network performance, effectively allocate network bandwidth, and make more reasonable use of network resources. The QoS data of cloud resources with specified specifications can be queried through the specification list.
Regarding the QoS data, what are the main items included? (Multiple choice)

The cloud-native database solution in the Huawei Cloud MapReduce service provides a leading architecture for separating storage and computing for unstructured data scenarios such as massive government images and videos. It uses cloud object storage OBS to replace MRS local storage as big data storage. Which description of the OBS service is wrong?

The monolithic architecture is a service-oriented architecture, which has the characteristics of loose coupling, simple structure, easy deployment and upgrade, and communicates through the ESB bus.

In the Kubernetes cluster, Ingress provides an externally accessible URL for the Service and routes access traffic to the backend Service.
Which of the following statements about Ingress is correct?

The working node in the cloud container engine service CCE is the basic element of the container cluster. The node depends on the business. It can be a virtual machine or a physical machine: each node contains the basic components required to run the Pod, including Kubelet, Kube-proxy, Container Runtime, etc., in the cloud container engine CCE, high-performance elastic cloud server ECS or bare metal server BNS is mainly used as nodes to build a highly available Kubernetes cluster.