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| Section | Weight | Objectives |
|---|---|---|
| NAS Storage Basics | 12% | - NAS protocols (NFS, SMB/CIFS) - File system and sharing principles |
| Data Storage Basics | 8% | - Basic concepts and architectures of storage systems - Storage media and technologies |
| Huawei OceanStor Hybrid Flash Storage | 10% | - Product characteristics and advantages - Solution planning and recommendation |
| Backup and Disaster Recovery Technologies | 18% | - Disaster recovery principles and solutions - Backup types and strategies |
| Huawei OceanStor Pacific Distributed Storage | 5% | - Architecture and applicable scenarios |
| SAN Storage Basics | 17% | - LUN management and access - SAN architecture and protocols (FC, iSCSI) |
| Object Storage Basics | 10% | - Application scenarios of object storage - Object storage concepts and features |
| Huawei OceanProtect Backup Storage | 5% | - Backup and recovery capabilities |
| Huawei OceanStor Dorado All-Flash Storage | 15% | - Product positioning and key features - Typical application scenarios |
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NEW QUESTION # 58
It is estimated that in 2025, 80% of the global volume of new data will be unstructured data.
Answer: B
Explanation:
This statement aligns with the market analysis provided in Huawei's OceanStor Pacific pre-sales documentation regarding the "Yottabyte Era". Huawei highlights that the nature of data is shifting away from structured databases toward massive volumes of unstructured data, such as high-definition video, medical images, IoT sensor logs, and AI training datasets.
By 2025, it is projected that 80% of new data generated will be unstructured. This trend is the primary driver behind the development of the OceanStor Pacific series, which is a scale-out distributed storage system specifically designed to handle the capacity and performance requirements of unstructured data at scale. Traditional centralized arrays (SAN/NAS) are often ill-equipped to handle the sheer volume and file counts associated with this growth, necessitating the move toward distributed architectures that can scale horizontally to hundreds of petabytes.
NEW QUESTION # 59
According to IDC, the global data volume is expected to reach 180 ZB in 2025, 80% of which is unstructured data.
Answer: B
Explanation:
IDC projects that the global data volume will reach 180 zettabytes (ZB) by 2025, with 80% of this data being unstructured. This reflects the rapid growth of unstructured data generated from sources such as multimedia, social media, IoT devices, and other non-traditional data types.
NEW QUESTION # 60
Which of the following statements are correct about multi-tenancy of object storage?
Answer: A,C,D
Explanation:
Multi-tenancy is used in object storage to allow different departments, services, or customers to share one physical storage system while remaining logically isolated. Option B is correct because multiple departments can use the same platform instead of deploying separate storage silos. Option C is correct because each tenant can be assigned independent capacity quotas and performance QoS policies, preventing one tenant from consuming excessive resources or affecting another tenant's service quality.
Option D is also correct because tenants share the same backend storage pool, which improves overall resource utilization and reduces wasted capacity. Option A is incorrect because tenant isolation is a core purpose of multi-tenancy. One tenant should not be able to view or access another tenant's data unless explicit authorization is configured.
NEW QUESTION # 61
Incremental backup requires the previous full backup and incremental backup to fully restore dat a. Data reconstruction is slower than full backup, and the restoration is long.
Answer: B
Explanation:
This statement accurately reflects the technical characteristics of traditional incremental backup strategies found in Huawei data protection guides. An Incremental Backup only copies the data that has changed since the last backup (whether that was a full or an incremental backup).
While this saves significant time and storage space during the backup window, it adds complexity during restoration. To fully restore a system to its latest state, the administrator must first restore the last Full Backup and then sequentially apply every subsequent Incremental Backup in the correct order. If any single incremental tape or file in the chain is missing or corrupted, the restoration cannot be completed beyond that point. Because the system must process multiple data sets to reconstruct the final image, the total recovery time (RTO) is indeed longer and the process is slower compared to restoring from a single Full Backup.
NEW QUESTION # 62
What are the main application scenarios for SAN storage? (Choose all that apply.)
Answer: A,B
Explanation:
SAN (Storage Area Network) storage is primarily used in scenarios requiring high performance, low latency, and reliable access to block-level data, which is ideal for VMware virtualization and database applications. These applications benefit from SAN's ability to provide consistent, high- speed access to data blocks. Big data storage and mass file sharing are better suited for NAS or object storage solutions, which are optimized for large-scale unstructured data and file-level access.
NEW QUESTION # 63
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