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To excel in the HCIE-Storage V3.0 exam, candidates need to have a good command of key technical principles, planning and design processes, deployment implementation methods and tools, advanced O&M management, and troubleshooting of typical storage solutions, such as storage data backup and storage data migration. They should be able to design, manage, build, and develop high availability storage solutions, making them competent to become storage solution experts, storage architects, and other related positions. The certification is aimed at individuals who aspire to become experts in the storage industry, including data center storage system architects, ICT professionals, and Huawei channel engineers. It is recommended that candidates master the knowledge and skills of HCIA and HCIP in the storage domain and have at least five years of relevant working experience.

Exam Code	H13-629
Exam Name	HCIE-Storage (Written)
Exam Type	Written examination
Exam Format	Single-answer Question, Multiple-answer Question, True or false, Short Response Item, Drag and Drop Item
Time	90 min
Passing Score/Total Score	600/1000
Exam Cost	300 USD
Language	Chinese, English

Knowledge Points	Percentage
Data Storage Technologies	20%
Data Protection Solution	50%
Data Migration Solution	10%
Data Storage Management and O&M	20%

1. Flash Storage Technology Presentation

2. Data Protection Technology Presentation

3. Scale-Out Storage Technology Presentation

4. Hyper-Converged Infrastructure Technology Presentation

1. Data Protection Basics

2. Backup Solution

3. Active/Standby DR Solution

4. Active-Active DR Solution

5. Geo-Redundant 3DC DR Solution

6. Data Protection Solution Planning and Design

1. Data Migration Basics

2. Migration Solution Planning and Design

1. Huawei Data Management System

2. Data Storage Management and O&M Practices

3. Storage System Troubleshooting

1. A maintenance engineer discovers that the fault indicator of a storage device is flashing. The management UI tells the engineer that a RAID group degradation alarm is generated becaus disk fault. The disk is then replaced and the fault is rectified. During this process, which of the following basic troubleshooting methods is used by the maintenance engineer?

A Logical reasoning

B. Phenomenon analysis

C. Replacement

D. Alarm analysis

Answer: D

2. Which of the following does not cause value-added service faults?

A. The replication links between storage devices are inconsistent.

B. LUNs are disconnected unexpectedly.

C. Logging in to a remote storage device through a serial port fails.

D. A storage pool of a remote storage device goes offline.

Answer: C

3. Formatting a newly-created LUN in a Huawei all-flash storage system fails. Which of the following is not the source of this problem?

A. Degradation or failure of the RAID group where the LUN resides.

B. Sudden disconnection between a host and the storage system.

C. Switching the owning controller of the LUN during the formatting.

D. Resetting the owning controller of the LUN.

Answer: B

4. Which of the following statements about the DME architecture is incorrect?

A. It is a distributed microservice architecture, providing high reliability.

B. It facilitates large-scale storage device management, allowing a single node to manage up to 16 storage devices.

C. It supports open northbound and southbound systems. Northbound systems provide RESTful and SNMP interface protocols as well as ecosystem plug-ins (such as Ansible) to interconnect with upper-layer systems, whereas southbound systems manage storage resources through open interface protocols such as SNMP and RESTful.

D. It takes over Huawei storage devices only.

Answer: D

5. Customer M plans to use eReplication to build a disaster recovery (DR) solution. Which of the following statements is incorrect about the configuration of eReplication DR service?

A. A remote server must be created.

B. Protection groups are created based on different application types.

C. A recovery plan needs to be created for data and service recovery.

D. A license for eReplication is required for building the DR system.

Answer: A

6. A company plans to deploy a disaster recovery (DR) system and requires that services run without interruption and service data be not lost when a data center-level fault occurs. The company plans to use a two-city three-DC geo-redundant architecture. Which of the following solutions meets the requirements?

A. Local HA architecture based on an active-passive mode.

B. Geo-redundant architecture based on a two-DC active-passive mode.

C. Geo-redundant architecture based on a two-DC mutual backup mode.

D. Geo-redundant architecture based on a two-DC active-active mode.

Answer: D

7. A company purchases a Huawei hybrid flash storage system. Hosts are connected to the storage system through Fibre Channel switches. Which of the following is the optimal configuration during Fibre Channel switch configuration planning?

A. Each zone contains only one host port and one storage port.

B. Each host requires only one optical fiber port to connect to a switch.

C. All ports of each Fibre Channel switch are in the same zone.

D. High-end Fibre Channel switches are always used to ensure network performance.

Answer: A

8. A company's service host runs the Linux operating system (for example, CentOS). Storage engineers need to use a Linux system performance monitoring tool to collect performance data. Which of the following operations is incorrect?

A. Use the top command to check the CPU usage.

B. Use the df command to check the storage space.

C. Use the iostat command to check the disk I/Os.

D. Use the free command to check I/Os on the network.

Answer: D

9. Huawei all-flash storage devices must be planned and designed before deployment. Which of the following does not need to be planned during storage networking?

A. Management network

B. Service network

C. IP address

D. Heartbeat network

Answer: D

10. Which of the following statements is incorrect about the protocol layer of Huawei scale-out storage products?

A. The block service supports the iSCSI protocol.

B. The object service supports access through $3/Swift.

C. The protocol layer supports access through HDFS.

D. The protocol layer does not support file access through NFS.

Answer: D

11. Which of the following statements is incorrect about the object storage quota feature of Huawei scale-out storage?

A. It supports bucket quotas.

B. It supports account-level quotas.

C. The bucket quota can be used to set the maximum bucket capacity and the maximum number of objects.

D. The account-level quota can be used to set the maximum account capacity.

Answer: C

12. Huawei all-flash storage systems automatically add all Ethernet and bond ports in a single cluster to a failover group. What is the name of this group?

A. Default failover group

B. VLAN failover group

C. User-defined failover group

D. Ethernet port failover group

Answer: A

13. Which of the following features is not supported by thin LUNs of Huawei hybrid flash storage?

A. SmartErase

B. SmartDedupe

C. SmartCompression

D. SmartCache

Answer: A

14. Which of the following are supported by the inspection function of Huawei OceanStor SmartKit?

A. Providing check criteria and repair suggestions.

B. Sending inspection reports by email.

C. Checking service status before an upgrade.

D. Scheduled inspection.

Answer: ABC

15. Which of the following are precautions for FRU replacement?

A. Ensure that a new part is in good condition and is free from oxidation, chemical corrosion, missing components, or damage caused by transportation.

B. Use special ESD bags to carry or transport parts. Properly manage, record, and repair parts in routine maintenance.

C. Determine and label the cabinet or controller enclosure where a part to be replaced resides to prevent misoperation.

D. Remove a faulty part with even force.

Answer: ABC

16. DME supports proactive O&M powered by the Al engine and policy engine. Which of the following functions can be implemented on the DME platform?

A. Performance check and prediction

B. Availability check and prediction

C. Capacity check and prediction

D. Configuration check

Answer: ABCD

17. An enterprise's storage device generates fault alarms. After arriving at the customer's site, engineer A plans to collect storage device information and send it to R&D engineers for further analysis. Which of the following methods can be used by engineer A to collect information?

A. Collecting logs and alarms using DeviceManager.

B. Collecting storage system configuration data using the CLI.

C. Configuring a public IP address for the storage device so that R&D engineers can directly log in to the storage device to collect information.

D. Installing SmartKit to collect information.

Answer: ABD

18. Before storage delivery, engineer A cannot find LUNs on a Linux service host. Which of the following are possible causes for this?

A. A storage pool is faulty.

B. A link is faulty.

C. Zones are incorrectly configured.

D. No multipathing software is installed on the host.

Answer: ABC

19. A company purchases two Huawei all-flash storage devices to deploy database services. The storage systems are respectively deployed in data centers A and B in city M with HyperMetro disaster recovery. Which of the following faults do not cause service interruption?

B. Citywide power outage.

C. Network fault of data center A due to engineering construction.

D. Network fault between data centers A and B.

Answer: ACD

20. A bank sets up two active-active data centers to carry Internet services. During system tests, storage engineers analyze the test information. Which of the following features of the Internet services match the OLTP application model?

A. Each I/O is small, ranging from 2 KB to 8 KB.

B. Data on disks is randomly accessed.

C. At least 30% of data is written randomly.

D. Redo logs are written frequently.

Answer: ABCD