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| Section | Weight | Objectives |
|---|---|---|
| Huawei OceanStor Dorado All-Flash Storage | 15% | - Product positioning and key features - Typical application scenarios |
| 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 |
| SAN Storage Basics | 17% | - SAN architecture and protocols (FC, iSCSI) - LUN management and access |
| Huawei OceanStor Pacific Distributed Storage | 5% | - Architecture and applicable scenarios |
| Backup and Disaster Recovery Technologies | 18% | - Backup types and strategies - Disaster recovery principles and solutions |
| Huawei OceanStor Hybrid Flash Storage | 10% | - Solution planning and recommendation - Product characteristics and advantages |
| Object Storage Basics | 10% | - Object storage concepts and features - Application scenarios of object storage |
| Huawei OceanProtect Backup Storage | 5% | - Backup and recovery capabilities |
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NEW QUESTION # 70
Which of the following is not a typical object storage scenario?
Answer: D
Explanation:
HD editing is not a typical object storage scenario. Object storage is best suited for massive unstructured data that is accessed through HTTP/HTTPS or S3-compatible APIs. Typical scenarios include online video, backup and archiving, cloud-native data storage, and large-scale image repositories such as medical image storage. These workloads benefit from object storage's flat namespace, high scalability, metadata support, and cost-effective capacity expansion. HD editing, however, usually requires low-latency file access, high sequential bandwidth, file locking, and collaborative editing workflows. Those requirements are better served by NAS or distributed file storage, especially platforms such as OceanStor Pacific file services for media production. Object storage is excellent for storing completed video assets or archives, but not for active HD editing workflows. Therefore, the correct answer is HD editing.
NEW QUESTION # 71
Which of the following RAID levels are supported by the new-gen OceanStor hybrid flash storage?
Answer: A,B,C
Explanation:
The new-gen OceanStor hybrid flash storage supports enterprise RAID levels designed to balance performance, capacity efficiency, and fault tolerance. RAID 5 is suitable for scenarios requiring capacity efficiency with single-parity protection. RAID 6 provides stronger reliability by using dual parity, allowing the system to tolerate the failure of two disks in a RAID group. RAID-TP provides even higher protection through triple parity, allowing the system to tolerate three simultaneous disk failures, which is valuable for large-capacity disk pools and high-reliability enterprise environments.
RAID 1 is traditional mirroring, but it is not the RAID level emphasized for new-gen OceanStor hybrid flash storage in this question set. Huawei's RAID 2.0+ architecture focuses on distributed RAID protection and efficient reconstruction. Therefore, the supported options are RAID 5, RAID 6, and RAID-TP.
NEW QUESTION # 72
Which statements are correct about NVMe over Fabrics (NVMe-oF) (RoCE v2)? (Select all that apply)
Answer: B,D
Explanation:
NVMe over Fabrics (NVMe-oF) using the RoCE v2 (RDMA over Converged Ethernet) protocol is a high-speed communication technology supported by Huawei OceanStor Dorado systems. Option B is correct because RoCE v2 utilizes RDMA, which allows data to be transferred directly from the memory of one computer to another without involving the CPU of either system. This significantly reduces latency and CPU overhead compared to traditional iSCSI.
Option C is correct because RoCE v2 requires a "Lossless Ethernet" environment to function correctly. Traditional Ethernet (Option A) is a "best-effort" delivery system that allows for packet drops during congestion; however, RDMA protocols are highly sensitive to packet loss. To support RoCE v2, the network must implement Data Center Bridging (DCB) features like Priority Flow Control (PFC) and Enhanced Transmission Selection (ETS) to ensure a zero-packet-loss environment. Regarding cost (Option D), RoCE v2 often leverages existing Ethernet infrastructure, making it generally more cost-effective than deploying a dedicated Fibre Channel (FC) fabric, which requires specialized HBAs and FC switches.
NEW QUESTION # 73
The OceanStor F V5 series all-flash storage supports both tiered storage (SmartTier) and intelligent caching (SmartCache).
Answer: A
NEW QUESTION # 74
Which protocol is not a front-end protocol of SAN?
Answer: D
NEW QUESTION # 75
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