1. In Huawei Cloud Stack, which of the following is not a metering and pricing function?

2. A big promotion or flash sale by an e-commerce company will cause its business traffic to surge in a short period of time. How to deal with the concurrent access of massive users, handle the problem of increased pressure, avoid wasting resources after the big promotion, and prevent and stop malicious attacks and malicious panic buying during the operation.
If the e-commerce company migrates its business to the cloud platform, in order to solve the above problems, which of the following descriptions of the cloud-based solution for the e-commerce business is wrong?

3. When Nova issues a virtual machine instance, the filter selects two hosts that meet the requirements from the 10 hosts. Host A has 128 GB of available memory and 1024 GB of available disk space; Host B has 64 GB of available memory and 2048 GB of available disk space.
By default, which host will the virtual machine instance be provisioned to?

4. In Huawei Cloud Stack, when the cloud server in the VPC needs to provide services to the external network, which of the following NAT gateway rules can be configured to achieve this?

5. Which of the following configuration files defines the permissions of the OpenStack service role?

6. Which of the following descriptions of nova-conductor functions is correct?

7. The customer's needs are to reduce operating costs, visualize data, and identify risks. In Huawei Cloud Stack, which of the following functions in the operation and maintenance scenario layer is most suitable?

8. In Huawei Cloud Stack, which of the following descriptions about users using existing images to create elastic cloud servers is wrong?

9. In Huawei Cloud Stack, which of the following descriptions of the EVS function is wrong?

10. In Huawei Cloud Stack, which of the following descriptions about unified backup management is wrong?

11. In Huawei Cloud Stack, which of the following descriptions about the Elastic File Service (SFS) is wrong?

12. In Huawei Cloud Stack, if multiple cloud servers in a VPC need to access the external network, which of the following cloud services can be used in conjunction with elastic IP to achieve this?

13. In Huawei Cloud Stack, in order to facilitate administrators to manage cloud resources in combination with the company's IT projects, enterprise projects can be created and the use of cloud resource pools by each department can be controlled through enterprise project quotas.
Which of the following roles cannot create an enterprise project?

14. In Huawei Cloud Stack, if users need to protect ECS and its bound disk data, considering the cost, which of the following cloud services is most suitable?

15. Which of the following statements about Swift data reliability is wrong?

16. In OpenStack, which of the following is not a persistent storage?

17. During the OpenStack virtual machine instance provisioning process, which of the following descriptions of the status change process of the provisioning task is correct?

18. In OpenStack, which of the following components does Nova not include?

19. Which of the following allows users to access OpenStack virtual machine instances from an external network?

20. As the most popular open source cloud operating system platform, OpenStack mainly provides which of the following cloud computing service models?

21. To which of the following Neutron objects is the virtual network card of an OpenStack virtual machine instance directly bound?

22. In Neutron, which of the following components is responsible for receiving and routing API requests to the Plugin?

23. In Huawei Cloud Stack, which of the following descriptions about CloudDNS is wrong?

24. In what form is the Object ultimately stored on the physical node in Swift?

25. In Huawei Cloud Stack, which of the following descriptions about the VDC levels that a first-level VDC administrator can create is correct?

26. In OpenStack, which of the following network types can encapsulate data packets into UDP packets for transmission?

27. Which of the following descriptions about the correspondence between Port and Subnet in Neutron is correct?

28. In Huawei Cloud Stack, which of the following is not a VDC self-operation and maintenance function?

29. In Huawei Cloud Stack, which of the following network cloud services cannot achieve intercommunication between different regions and different VPC?

30. In Huawei Cloud Stack, which of the following is not an external dependency of TaskCenter?

31. In OpenStack, which of the following descriptions about how the cloud platform or its core services work is wrong?

32. In Huawei Cloud Stack, if users want to view the creation status of ECS instances, which of the following public components can be used to achieve this?

33. In OpenStack, which of the following descriptions about Ceilometer data management is wrong?