H19-308_V4.0 Exam Testking & Certification H19-308_V4.0 Questions

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Huawei H19-308_V4.0 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Backup and Disaster Recovery Technologies18%- Backup types and strategies
- Disaster recovery principles and solutions
Topic 2: Huawei OceanProtect Backup Storage5%- Backup and recovery capabilities
Topic 3: SAN Storage Basics17%- SAN architecture and protocols (FC, iSCSI)
- LUN management and access
Topic 4: Huawei OceanStor Hybrid Flash Storage10%- Solution planning and recommendation
- Product characteristics and advantages
Topic 5: Huawei OceanStor Pacific Distributed Storage5%- Architecture and applicable scenarios
Topic 6: Object Storage Basics10%- Application scenarios of object storage
- Object storage concepts and features
Topic 7: Data Storage Basics8%- Storage media and technologies
- Basic concepts and architectures of storage systems
Topic 8: NAS Storage Basics12%- File system and sharing principles
- NAS protocols (NFS, SMB/CIFS)
Topic 9: Huawei OceanStor Dorado All-Flash Storage15%- Product positioning and key features
- Typical application scenarios

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Huawei HCSA-Presales-Storage V4.0 Sample Questions (Q90-Q95):

NEW QUESTION # 90
An HBA is a device that provides input/output (I/O) processing and physical connections on a host.

Answer: B

Explanation:
A Host Bus Adapter (HBA) is responsible for handling I/O processing and providing the physical connectivity between a host server and a storage network such as Fibre Channel or SAS. It offloads storage-related tasks from the CPU and ensures reliable high-speed data transmission, making the statement correct.


NEW QUESTION # 91
The recovery time objective (RTO) in a DR system refers to the time to which the system and data must be recovered after a disaster occurs.

Answer: A

Explanation:
This statement is false because it confuses RTO (Recovery Time Objective) with RPO (Recovery Point Objective). In Huawei's Disaster Recovery (DR) documentation, these two metrics are defined as follows:
RPO (Recovery Point Objective): Refers to the maximum amount of data loss an organization can tolerate, measured in time. It indicates the "point in time" to which data must be recovered (e.g., "we can only lose 1 hour of data").
RTO (Recovery Time Objective): Refers to the duration of time within which a business process must be restored after a disaster. It measures how long the system can be down before the business is significantly impacted (e.g., "the system must be back online within 4 hours").
The question describes the "point in time" (RPO) but labels it as RTO. In a high-availability solution like HyperMetro, the RTO and RPO are both theoretically zero, meaning no data loss and no downtime.


NEW QUESTION # 92
SSDs+NL-SAS HDDs are recommended for the new-gen OceanStor hybrid flash storage. No SAS HDDs are required.

Answer: B

Explanation:
The recommended configuration for new-generation OceanStor hybrid flash storage combines SSDs and NL-SAS HDDs for optimal performance and capacity. SAS HDDs are not required in this recommended setup.


NEW QUESTION # 93
Huawei's active-active data centers and active-passive data centers can be smoothly upgraded to the 3DC solution.

Answer: B

Explanation:
Huawei's active-active and active-passive data center solutions are designed with compatibility and scalability in mind, allowing them to be smoothly upgraded to a 3DC (three-data-center) solution to enhance disaster recovery capabilities and service continuity.


NEW QUESTION # 94
Which of the following statements about the HyperMetro feature of the Dorado V3 are correct?
(Multiple Choice)

Answer: A,B,C


NEW QUESTION # 95
......

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