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| Section | Weight | Objectives |
|---|---|---|
| SAN Storage Basics | 17% | - LUN management and access - SAN architecture and protocols (FC, iSCSI) |
| NAS Storage Basics | 12% | - File system and sharing principles - NAS protocols (NFS, SMB/CIFS) |
| Huawei OceanStor Dorado All-Flash Storage | 15% | - Product positioning and key features - Typical application scenarios |
| Huawei OceanProtect Backup Storage | 5% | - Backup and recovery capabilities |
| Data Storage Basics | 8% | - Storage media and technologies - Basic concepts and architectures of storage systems |
| Backup and Disaster Recovery Technologies | 18% | - Backup types and strategies - Disaster recovery principles and solutions |
| Huawei OceanStor Pacific Distributed Storage | 5% | - Architecture and applicable scenarios |
| Object Storage Basics | 10% | - Application scenarios of object storage - Object storage concepts and features |
| Huawei OceanStor Hybrid Flash Storage | 10% | - Product characteristics and advantages - Solution planning and recommendation |
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質問 # 80
RAID 0 is actually a mirroring technology.
正解：A
解説：
This statement is false because RAID 0 and Mirroring (RAID 1) are fundamentally different concepts in Huawei storage technology. As defined in the Huawei technical manual, RAID 0 is " Striping. " It breaks data into chunks and spreads them across multiple disks to increase performance. It has no redundancy.
" Mirroring " is the terminology specifically used for RAID 1. In a RAID 1 configuration, the system writes the exact same data to two separate physical disks simultaneously. This creates a 100% redundant copy (a mirror). If one disk fails, the other continues to provide data, ensuring zero downtime and no data loss.
Huawei ' s RAID 2.0+ virtualization technology can implement striping and mirroring across different " chunks " or " extents " within a storage pool, but it maintains the technical distinction: RAID 0 is for performance through striping, while mirroring is for reliability through duplication. Therefore, characterizing RAID 0 as a mirroring technology is a technical inaccuracy.
質問 # 81
Which of the following statements are incorrect about permission management of object storage?
正解：A
解説：
In Huawei object storage, permission management is commonly implemented through access control lists (ACLs) and bucket policies. A bucket policy can control access permissions for one or multiple users at the bucket level and can also define permissions for objects within the bucket. ACLs are also used to grant accounts access to storage resources, so option D is correct. The incorrect statement is option C because ACLs are mainly used to grant permissions rather than explicitly deny permissions.
Deny logic and more complex access conditions are normally handled through bucket policies. This distinction matters in object storage because bucket policies provide more flexible permission rules, while ACLs provide simpler account-level authorization. Therefore, the incorrect statement is that ACLs can be used to grant and deny permissions.
質問 # 82
What conditions must be met so that OceanStor F V5 series and V5 series can migrate data from heterogeneous third-party storage devices without interrupting services? (Multiple Choice)
正解：A、B、C
質問 # 83
Which of the following API can be used to upload objects?
正解：B
解説：
The put object API is the standard operation used in object storage systems (including Huawei OBS and S3-compatible platforms) to upload data. It allows a client to send a complete object - consisting of the data and its associated metadata - to the storage system in a single request.
This operation creates a new object if it does not exist or overwrites it if it already exists.
質問 # 84
What does X of F2F2X stand for?
正解：A
解説：
Huawei's OceanProtect backup storage solution is designed for the F2F2X (Flash-to-Flash-to-Anything) era. This concept represents a shift from the traditional Disk-to-Disk-to-Tape (D2D2T) backup model to a faster, more flexible architecture.
In the F2F2X model, data is backed up from the primary Flash storage (Dorado) to the dedicated backup Flash storage (OceanProtect) to ensure rapid backup and recovery. The "X" in F2F2X officially stands for "Anything," representing the final destination for long-term data retention or off-site disaster recovery. In the context of Huawei's pre-sales training and hybrid cloud strategy, Cloud (Option A) is the primary "X" promoted to customers. By replicating backup copies to a public or private cloud (such as Huawei Cloud OBS), organizations can achieve cost-effective, long-term archiving and off-site protection without managing physical tape libraries. While "X" can technically be tape or another disk, the strategic emphasis for the new-gen solutions is the seamless integration with cloud ecosystems.
質問 # 85
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