Ultimate Guide to Prepare H19-308_V4.0 with Accurate PDF Questions [Apr 24, 2026]
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NEW QUESTION # 162
In the medical PACS system, X-ray, MRI, CT, and ultrasound tests generate a large number of image files every day. The file size ranges from 100 KB to 1 MB.
Which Huawei NAS product is recommended?
- A. FAS9000 series
- B. Oceanstor 9000
- C. Unity series
- D. OceanStor V5 NAS
Answer: B
NEW QUESTION # 163
What enable Dorado V6 to deliver such high performance?
- A. End-to-end NVMe protocol
- B. Five Huawei-developed chips
- C. Higher performance provided by HDDs
- D. Smart disk enclosure collaboration algorithm
Answer: A,C,D
NEW QUESTION # 164
Which type of backup copies involves the minimum amount of data?
- A. Full backup
- B. Incremental backup
- C. Differential backup
Answer: B
NEW QUESTION # 165
Huawei integrated cyber security strategy into various business, end to end established baseline, embedded into process to ensure repe ensure to be audited, in general, including:
- A. Use the right security standards, requirements and best practices.
- B. Sell it right: legal compliance.
- C. ABC Model for audit Assume nothing, Believe no one, Check everything.
- D. Manufacture with secure and untampered components.
- E. Secure installation, service and support.
- F. Design build, and test with security in mind
Answer: A,B,C,D,E,F
NEW QUESTION # 166
What are the competitive edges of the Huawei NAS Active-Active Solution (HyperMetro)?
- A. Smooth upgrades to the active-active solution for single devices
- B. Only one network is needed between sites
- C. Faster switching than NetApp
- D. Automatic recovery of active-active relationships after fault repair
- E. Scalable to up to 32 nodes
- F. Gateway-free
Answer: A,B,C,D,E,F
NEW QUESTION # 167
A customer wants to purchase an object storage system to be used by different departments. These departments are independent of each other and cannot access each other's dat a. Therefore, the data capacity of different departments needs to be limited. Which of the following object storage features will you recommend to the customer? (Select all that apply)
- A. Replication
- B. Quota
- C. WORM
- D. Multi-tenancy
Answer: B,D
Explanation:
To meet the customer's requirement for departmental isolation and resource control, Huawei recommends the combination of Multi-tenancy (Option C) and Quotas (Option D).12 Multi-tenancy is the foundational feature for iso3lation in Huawei object storage. It allows the physical storage system to be logically partitioned into multip4le "Tenants". Each department can be assigned its own tenant environment with its own set of users, access keys, and buckets. Data is logically isolated, meaning one department cannot see or access the data of another unless explicitly permitted.
Quota management is then used to limit the capacity consumed by each department. In Huawei OceanStor Pacific, quotas can be applied at the Tenant level or the Bucket level. By setting a Tenant Quota, the administrator ensures that a specific department does not exceed its allocated budget of storage space, preventing one department from exhausting the resources of the entire system. While Replication (Option A) and WORM (Option B) are valuable for data protection, they do not address the specific needs of departmental isolation and capacity limiting.
NEW QUESTION # 168
Which are advantages of SAN?
- A. High resource utilization
- B. High reliability
- C. High performance
- D. Excellent scalability
Answer: A,B,C,D
NEW QUESTION # 169
A customer wants to purchase an object storage system to be used by different departments.
These departments are independent of each other and cannot access each other's data.
Therefore, the data capacity of different departments needs to be limited. Which of the following object storage features will you recommend to the customer? (Choose all that apply.)
- A. Replication
- B. Quota
- C. WORM
- D. Multi-tenancy
Answer: B,D
Explanation:
Multi-tenancy enables different departments to operate independently within the same object storage system, ensuring isolation and security.
Quota allows the administrator to set data capacity limits for each department, managing storage usage effectively.
NEW QUESTION # 170
How does Dorado V3 help customers save costs? (Multiple Choice)
- A. Lower maintenance costs
- B. Less space occupation
- C. High performance, same performance with fewer devices
- D. Lower power consumption
- E. Data reduction, lower storage capacity to be bought
Answer: A,B,C,D,E
NEW QUESTION # 171
OceanStor F V5 series are hybrid-flash storage systems.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 172
What are the backup networking modes? (Choose all that apply.)
- A. SAN-Base
- B. LAN-Free
- C. Server-Free
- D. LAN-Based
Answer: A,B,D
Explanation:
The main backup networking modes are LAN-Based (data transferred over the local area network), SAN-Base (data transferred over the storage area network), and LAN-Free (bypassing the LAN by using direct connections between backup servers and storage). Server-Free is not a standard backup networking mode.
NEW QUESTION # 173
Which of the following NL-SAS disk specifications does OceanStor V5 NOT support?
- A. 4TB
- B. 3 TB
- C. 2 TB
- D. 6 TB
- E. 10 TB
- F. 8 TB
Answer: B
NEW QUESTION # 174
Which of the following statements about object storage are correct? (Select all that apply)
- A. Global namespace enables object storage to be deployed and accessed across regions and AZs.
- B. For cross-site replication of object storage, the distance between sites can be up to thousands of kilometers.
- C. Object storage can be deployed across regions.
- D. Object storage supports replication between regions.
Answer: A,B,C,D
Explanation:
Huawei's object storage solution (OceanStor Pacific/OBS) is designed for massive scalability and high availability across geographic boundaries. Option C is correct because the Global Namespace feature abstracts the physical location of data, allowing users to access objects via a single URL/endpoint regardless of which Data Center or Availability Zone (AZ) the data physically resides in. This simplifies application development and data management at scale.
Options A and B are correct as the architecture supports multi-regional deployment. Data can be replicated between regions to ensure disaster recovery and data sovereignty. Unlike traditional SAN/NAS replication which is often limited by latency-sensitive synchronous protocols, object storage utilizes asynchronous transfer mechanisms optimized for the HTTP/S3 protocol. This leads to Option D being correct; because object storage replication is typically asynchronous and handles high latency well, sites can be separated by thousands of kilometers, making it an ideal solution for global data distribution and remote site backup.
NEW QUESTION # 175
What is the function of a BBU?
- A. Heat dissipation
- B. System power supply
- C. Power failure protection
Answer: B
NEW QUESTION # 176
OceanProtect supports both all-flash and hybrid flash forms. In hybrid flash form, which of the following features can OceanProtect use to improve system recovery performance?
- A. Adaptive data locality rearrangement on writes
- B. Remote replication
- C. Secure snapshot
- D. Media deduplication and compression
Answer: A
Explanation:
In hybrid flash form, OceanProtect uses adaptive data locality rearrangement on writes to improve system recovery performance. This feature optimizes data placement between flash and non-flash storage, enhancing access speed during recovery by ensuring that frequently accessed or critical data is stored on faster storage media.
NEW QUESTION # 177
Dorado V3 implements snapshot based on______
- A. ROW
- B. COW
- C. CRM
- D. WOS
Answer: A
NEW QUESTION # 178
The competitors of Dorado V3 include; (Multiple Choice)
- A. PureStorage
- B. VMAX-AF
- C. HP8450
- D. NetAppA700
- E. XtremlO
Answer: A,B,C,D,E
NEW QUESTION # 179
Data reconstruction is offloaded to the smart disk enclosure of OceanStor Dorado to accelerate reconstruction.
- A. TRUE
- B. FALSE
Answer: A
Explanation:
In OceanStor Dorado storage, data reconstruction tasks are offloaded to the smart disk enclosure, which accelerates the reconstruction process and minimizes the impact on overall system performance.
NEW QUESTION # 180
OceanProtect backup storage supports backup-storage-based deduplicated replication to transmit non-duplicate data, greatly saving the replication network bandwidth.
- A. TRUE
- B. FALSE
Answer: A
Explanation:
OceanProtect backup storage supports backup-storage-based deduplicated replication, which transmits only non-duplicate data. This process significantly reduces the amount of data transferred over the network, thus saving replication network bandwidth and improving replication efficiency.
NEW QUESTION # 181
FlashLink involves the following technologies: (Multiple Choice)
- A. Sequential Write of Large Blocks
- B. Scale-up and Scale-out
- C. I/O priority adjustment
- D. Hot/cold data partitioning
Answer: A,C,D
NEW QUESTION # 182
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