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HCSA-Presales-Storage Certification

The HCSA-Presales-Storage V4.0 certification is targeted for presales engineers taking care of Huawei storage product and solutions. Passing HCSA-Presales-Storage V4.0 certification proves that you have systematically understand the basis of storage system including SAN storage, NAS storage, object storage, backup and disaster recovery. Also, the highlights of Huawei main products including Huawei OceanStor Dorado all flash storage, OceanStor hybrid flash storage, OceanProtect backup storage and OceanStor Pacific scale-out storage.

• Certification Name: HCSA-Presales-Storage
• Exam Code: H19-308_V4.0
• Exam Name: HCSA-Presales-Storage V4.0
• Language: English
• Fee: 100 USD
• Duration: 90 mins
• Pass Score/Total Score: 600/1000
• Exam Format: Single-answer Question, Multiple-answer Question, True or false

Exam Knowledge Points

HCSA-Presales-Storage V4.0 exam covers basic conceptions of storage such as SAN, NAS, Object and data protection technologies. Also it covers the highlights of huawei main storage products OceanStor Dorado, Oceanstor new hybrid storage, OceanProtect and Oceantor Pacific.

• Data Storage Basis    8%
• SAN Storage Basis    17%
• NAS Storage Basis    12%
• Object Storage Basis    10%
• Backup and Disaster Recovery    10%
• OceanStor Dorado    15%
• OceanStor New Hybrid Flash Storage    8%
• OceanStor Pacific    10%
• OceanProtect Backup Storage    10%

General Knowledge Points of the Certification

Storage basic conceptions:

• Storage basis: basis of disks and data protection
• SAN storage basis: networking, protocols and main SAN technologies
• NAS storage basis: protocols, file system and main NAS technologies
• Object storage basis: protocols and main object features
• Backup and disaster recovery solution: main conceptions and technologies

Huawei main storage products:

• Huawei OceanStor Dorado: Portfolio and highlights
• Huawei OceanStor Hybrid Flash storage: Portfolio and highlights
• Huawei OceanStor Pacific Scale-out Storage: Portfolio and highlights
• Huawei OceanProtect backup storage: Portfolio and highlights

SCT Configuration Guidance

• SCT and eDesigner

View Online HCSA-Presales-Storage V4.0 H19-308_V4.0 Free Questions

1. In object storage, what is container that stores objects called?
A. Bucket
B. LUN
C. File system
D. Directory
Answer: A

2. Which of the following service scenarios is not fit for OceanStor Pacific?
A. HPDA
B. Backing up and Archiving
C. Database
D. Massive video
Answer: C

3. Which of the following statements about the SmartAcceleration feature of OceanStor hybrid flash storage is incorrect?
A. SmartAcceleration integrates SSD cache and SSD tier functions.
B. Configure dedicated SSD resources for cache and tier.
C. With support of SmartAcceleration, OceanStor hybrid flash storage does not need to be configured with 10K RPM SAS HDDs.
D. Automatic adjustment of SSD cache and SSD tier capacity
Answer: B

4. Which backup mode is recommended in scenario where the capacity is large at the PB level and the number of files is large?
A. Full backup
B. Differential backup
C. Incremental backup
D. Permanent incremental backup
Answer: D

5. Which of the following is the disk-controller integration algorithm of Huawei OceanStor Dorado?
A. FlashLink
B. SmartMatrix
OC. SmartInterworking
D. SmartCache
Answer: A

6. Which of the following statements about centralized SAN and distributed SAN products is incorrect?
A. Centralized SAN products use dedicated hardware, while distributed SAN products typically use general-purpose X86 servers
B. Both centralized and distributed SANS support FC/ISCSI protocols.
C. Distributed SAN has better scalability than centralized SAN.
D. Centralized SAN has lower latency than distributed SAN, and is more suitable for mission-critical applications.
Answer: B

7. Which of the following technologies can improve performance of backup system?
A. Media deduplication and compression
B. Replication link deduplication
C. Source-end deduplication DataTurbo
D. Blackmail prevention
Answer: C

8. Which of the following scenarios are applicable to OceanStor Pacific NAS? (Multiple choice)
A. Production storage for gene sequencing
B. Simulation training storage for autopilot
C. EDA Software Storage for Chip Manufacturing
D. VMware-virtualized storage
Answer: AB

9. Which of the following statements about object storage OBS are correct? (Multiple choice)
A. OBS supports bucket nesting.
B. OBS uses the multi-tenant function to isolate different tenants.
C. OBS does not support active-active and multi-active solutions.
D. OBS supports erasure coding (EC) technology to implement redundancy protection, including disk level, node level, and rack level redundancy protection.
Answer: BD

10. Which of the following scenarios are SSDs suitable for use? (Multiple choice)
A. online transactions system
B. VDI
C. Large-capacity video storage
D. VMware virtulication
Answer: ABD

11. Which of following statements about Huawei storage DR solution are correct? (Multiple choice)
A. Huawei SAN+NAS active-active solution can be smoothly upgraded to 3DC solution.
B. Huawei active-active solution requires additional hardware devices in addition to storage devices.
C. Huawei active/standby data center solution supports interconnection between high-end, mid-range, and entry-level storage systems, reducing investment.
D. witness servers are required in Huawei active/standby and active-active solutions.
Answer: AC

12. Which of the following statements about highlights of OceanStor Pacific are correct? (Multiple choice)
A. High-density hardware, high performance and capacity density, saving space and energy consumption
B. multiple protocols internetworking, efficiently supporting multiple types of applications without data copying
C. Supports flexible DR solutions for multiple data centers, ensuring service continuity.
D. Elastic erasure coding, flexible configuration with high space utilization
Answer: ABCD

13. Which of the following statements about the snapshot and clone technologies are correct? (Multiple choice)
A. Snapshots can be used for incremental backup.
B. Secure snapshots (non-modifiable snapshots) for ransomware protection
C. Compared with snapshot, clone is complete copy of source data. Therefore, read and write operations of clone do not affect original data.
D. Snapshot and clone are mainly used in data protection scenarios.
Answer: ABCD