1. The customer's business system has 3 LUNs, and the main business operation time is from 8:00 to 18:00 from Monday to Friday. LUN1 is about 500GB in size, and any IO response time is required to be within 5ms; LUN2 is about 4TB in size, with both hot and cold data (hot data accounts for about 12.5%), and data with high access frequency needs to get a faster response; LUN3 has a capacity of 10TB and does not require high performance.
The engineer planned to use SmartTier for this business system. Which of the following plans is the most suitable? (Multiple choice)

2. When designing a SQL Server database active/standby disaster recovery system, which of the following file sizes must be considered when calculating the disaster recovery capacity? (Multiple choice)

3. Huawei's OceanStor Pacific series conducts comprehensive sub-health status monitoring of components and automatically isolates them after intelligent diagnosis.
Which of the following items are included in the system's sub-health status monitoring? (Multiple choice)

4. A large e-commerce company uses Huawei Marine Storage hybrid flash memory system to host its core services.
Which of the following statements about the SSD controller chip used in the storage system is wrong?

5. A company purchased a Huawei hybrid flash system as a decision support system and planned to perform performance adjustments.
After the test, the storage engineer can obtain the following information:
1) The size of each /0 ranges from 64KB to 1MB
2) The percentage of sequential read I/Os is 90%.
3) The average front-end bandwidth utilization rate is 90%.
4) The host application is a database.
Based on the above information, which of the following performance tuning actions would not be appropriate in this situation?

6. What situations trigger local reconstruction? (Multiple choice)

7. Which of the following does not belong to Huawei's application integration and migration?

8. Which of the following options does not belong to the inspection function of Huawei smart kit tool?

9. Which of the following options does not belong to the inspection function of Huawei OceanStor Toolkit?

10. A customer's existing production environment server performance is relatively high, production network resources are relatively tight, and no snapshot license has been purchased for generated storage. The customer wants to introduce backup services. Under the existing configuration, which backup networking method is recommended for the user?

11. An enterprise has an online transaction system and an email system in a 30 TB storage resource pool. The backup system has created three 10 TB Thin LUNs. Since the company is just starting out, the online transaction system and the email system have very little data. The backup system needs to import about 20 TB of old data, which exceeds the Thin LUN size, resulting in write failure.

12. A customer's business application uses a Huawei OceanStor hybrid flash storage system with three pools, all of which are 8D+1P RAID5. One day, a business interruption occurred, and engineers found some scenarios that caused the failure by analyzing the logs.
Which of the following scenarios will cause interruption of host access to storage services? (Multiple choice)

13. Which of the following descriptions of HyperMetro's arbitration server mode is wrong? (Multiple choice)

14. Which of the following businesses can use SmartTier features to improve storage system performance and reduce user costs? (Multiple choice)

15. Which of the following descriptions of high-performance technology in HyperMetro is correct? (Multiple choice)

16. Distributed storage, file storage and object storage can share storage space with block storage and switch freely.

17. Which of the following statements about Thin LUN are correct? (Multiple choice)

18. When building a large-scale FC storage network, you will encounter the scenario of FC switch cascading, when multiple FC switches are cascaded.
Which of the following scenarios will cause the switch to isolate the E Port? (Multiple choice)

19. The source end is a third-party storage device and the target end is Huawei OceanStor hybrid flash storage. What are the current migration solutions? (Multiple choice)

20. An archive is going to expand the storage system of its data center. During the capacity planning process, engineers need to consider not only data capacity, file system, RAID level, hot spare space, safe disk, value-added features, etc., but also capacity deviations between hard disk manufacturers and operating systems.

21. Customer F plans to purchase Huawei's data protection appliance to protect the production system. The customer's current business status is as follows: The system's business peak time is 9:00-18:00 on weekdays, and the customer requires that the backup time be reduced as much as possible. The business data is a small file, but the total capacity is large.
Based on this scenario, when formulating a backup strategy using Huawei's integrated data protection device, which of the following statements is correct? (Multiple choice)

22. A company's business host runs the Linux operating system (CentOS for example). When a storage engineer collects performance data, he needs to use a Linux system performance monitoring tool. Which of the following operations is wrong?

23. Bank A uses Huawei's hybrid flash storage to build a 3DC multi-site disaster recovery solution. Which of the following options are correct regarding the advantages of this solution? (Multiple choice)

24. M Company plans to build an off-site disaster recovery center with a disaster recovery distance of 1000KM. The company's daily business growth is 2GB, the data synchronization time is up to 8 hours a day, and the bandwidth utilization rate is about 70%.
In this scenario, what is the minimum network bandwidth required to meet the demand?

25. A customer's Huawei OceanStor hybrid flash storage array has a damaged controller and needs to replace the controller. Shortly after the on-site engineer replaced the controller, he found that the alarm indicator of the newly inserted controller was red and there was an audible alarm. How should the on-site engineer handle it correctly?

26. A multinational enterprise has a huge business, and its customer business data is scattered in multiple locations, with the distance between each location greater than 1000km. The enterprise hopes to centrally manage the backup data of each site, so that users can analyze and mine all data without affecting normal business. In addition, if any business site suffers a disaster, the enterprise can take over the business and perform data recovery.
In this case, which disaster recovery backup solution should the enterprise choose?

27. In the Huawei OceanStor 9000 version, in order to experiment with unified management of the video surveillance functions of multiple Huawei OceanStor 9000 products, it is necessary to install the UniformView software. Which of the following description is wrong?

28. Which of the following statements is correct about the multi-NameNode feature of Huawei's distributed storage products?

29. A company plans to deploy a disaster recovery system, requiring that when a data center-level failure occurs, the business will not be interrupted and the business data will not be lost. It plans to use a two-site three-center interconnection frame. Which of the following solutions can meet the requirements?

30. A company purchased a set of Huawei hybrid flash storage. The host is connected to the storage through a fiber optic switch. When planning the configuration of the fiber optic switch, which of the following options is the best configuration?

31. Huawei's all-flash storage system automatically adds all Ethernet ports and bonded ports in the cluster to which of the following drift groups?

32. The customer's business is very important and has a large amount of data. The customer needs the best possible business continuity. At the same time, the customer needs to be able to provide services to the outside world even when encountering natural disasters (floods/earthquakes). If you were asked to design a disaster recovery network, which network would you choose?

33. Huawei OceanStor all-flash storage system supports IP drift to ensure business continuity and reliability. Which of the following statements about IP drift is wrong?

34. In Huawei's active-standby disaster recovery solution, Oracle RAC clusters are deployed at production sites to ensure that the disaster recovery database application can still provide services normally when a production-side failure occurs. Which of the following statements is correct?

35. The customer needs to create a new OLAP backup database for batch import of online database data at night. The data file capacity is about 20TB. The storage array is Huawei OceanStor hybrid flash storage. The stable write bandwidth is required to reach 1800MB/s. Which of the following configurations best meets the customer's requirements?

36. A customer plans to build a disaster recovery center that can take over production business after the production center fails. The customer's business attributes can tolerate a 2-hour business suspension. The disaster recovery center is 50KM away from the production center. The customer requires that the production center and the disaster recovery center adopt 1 mode and provide convenient disaster recovery management.
Regarding the description of the customer's disaster recovery center construction needs, which of the following statements is wrong?

37. Huawei OceanStor storage system asynchronous remote uses multi-time slice cache technology to make the RPO index of LUN asynchronous remote reach seconds.

38. In the OceanStor 9000 system, the InfoEqualizer partition cannot be P.

39. In Huawei OceanStor hybrid flash storage, the data, logs, and modification information of a database application are stored in the primary LUDN1, primary LUN2, and primary LUN3 respectively, and asynchronous remote replication is created for the three primary LUNs. When the primary LUIN2 fails, the database can be started normally through the primary storage system after the data of the primary storage system is restored using the secondary storage system.

40. Distributed storage can be used as an independent network element to connect to eSight and OceanStor services.

41. A company purchased a set of Huawei storage (such as Huawei OceanStori hybrid flash memory) equipment, which uses a hard disk with a SAS interface. In addition to SAS hard disks, what other types of hard disks can this storage support? (Multiple choice)

42. Regarding the file system quota feature of Huawei OceanStor hybrid flash storage, which statement about Quota Tree is correct? (Multiple choice)

43. SmartMatrix3.0 architecture is a multi-controller interconnected system architecture designed by Huawei for enterprise-level data center core storage systems. Based on the SmartMatrix3.0 principle, Huawei OceanStor 18000 can support up to 16-engine (32 controller) clusters.

44. What are the application scenarios supported by LUN migration? (Multiple choice)

45. Which of the following is wrong about the data switch of Huawei OceanStor hybrid flash storage system?

46. Which of the following does not belong to the operation process of the homogeneous migration solution?

47. The distance between two computer rooms in the data center is 2 kilometers. The storage devices in computer room A and computer room B need to be configured remotely. The two storage rooms can be directly connected via optical fiber without passing through a switch.

48. Which of the following is the correct description of OceanStor 9000's data protection technology? (Multiple choice)

49. OceanStor Dorado adopts ROW large block sequential writing for all write operations. Each write request is written by allocating new Flash particles to achieve balanced erase and write times of Flash particles.

50. Which of the following statements about CIFS are correct? (Multiple choice)