Free Practice Questions for the Huawei HCSA-Presales-Storage H19-110_V2.0 Exam (2026 Updated)

All-flash storage is not recommended to use for video surveillance system because video surveillance data is usually large in size, sequential in nature, and infrequently accessed. All-flash storage is more suitable for applications that require high performance, low latency, and random access.  Video surveillance system can benefit from using hybrid flash storage or hard disk drives that offer more capacity and lower cost

OceanProtect can be used for data backup of core application scenarios, such as core DB or core applications. OceanProtect is a dedicated backup storage product that provides fast backup and recovery for enterprise data. It adopts a converged architecture that integrates backup software, backup server, and backup storage into one device. OceanProtect supports multiple backup protocols, such as NDMP, VTL, and NAS, and can work with mainstream backup software in the industry. OceanProtect also leverages deduplication and compression technologies to reduce the backup data footprint and save storage space.

Huawei All-Scenario data protection solutions include full DR of hot data for business continuity, quick backup and restore of warm data for data recoverability, and warm archiving of cold data for regulation compliance. Huawei All-Scenario data protection solutions can help enterprises protect their data from various risks and challenges, such as disasters, ransomware, human errors, and regulations. Huawei All-Scenario data protection solutions can cover different types of data (hot, warm, and cold), different levels of protection (DR, backup, and archive), and different deployment scenarios (on-premises or cloud).

OceanStor Dorado high-end storage can provide 7-nines system reliability, which means the system downtime is less than 3 seconds per year. This is achieved by using the SmartMatrix architecture, which ensures no single point of failure and supports cross-engine active-active mode. Reference:  Pre-release Announcement for Huawei Specialist Certification HCSA-Presales-Storage V4.0 (English Version)

DME Storage is the software developed by Huawei that provides your data center with centralized management and O & M for storage devices. It covers four phases of the device lifecycle (planning, provisioning, maintenance, and optimization), and improves the automation level and problem resolution rate. DME Storage supports Huawei’s full series of centralized storage, Huawei distributed storage, and several mainstream third-party storage systems. Reference:  DME Storage 1.0.0 User Guide

OceanProtect provides fast backup and restore capabilities that can reduce the backup window and improve the recovery point objective (RPO) and recovery time objective (RTO) for enterprise data.  OceanProtect leverages E2E acceleration, high bandwidth, and instant access technologies to achieve up to 155 TB/h backup bandwidth and 172 TB/h recovery bandwidth, which are the industry’s highest levels 1 .  OceanProtect also supports instant access to data in backup images, enabling quick utilization of backup data 2 .

The advantages of Huawei OceanProtect over traditional backup storage are rapid backup, rapid recovery, high reliability, and efficient reduction. OceanProtect can provide fast backup and recovery performance by using front-end network optimization, CPU computing optimization, back-end network optimization, and intelligent scheduling technologies. OceanProtect can also ensure high reliability by using RAID-TP technology that can tolerate the simultaneous failures of three disks in a RAID group. Moreover, OceanProtect can achieve high data reduction ratio by using deduplication and compression technologies that can reduce the backup data size by up to 90%.

Dorado can provide secure snapshot as an anti-ransomware function. Secure snapshot is a feature that allows users to create read-only copies of data at a specific point in time. Secure snapshots are protected from deletion or modification by ransomware or unauthorized users. Secure snapshots can also be used to quickly restore data to a previous state in case of ransomware attacks .

Enterprise storage is designed for business-critical workloads where availability, predictable performance, data integrity, and growth capability are substantially more important than initial acquisition price. The HCSA-Sales-Storage training material characterizes enterprise storage as a dedicated storage system delivering high reliability, high performance, and large capacity . These characteristics directly map to options A, C, and D. Enterprise systems also provide architectures, redundancy mechanisms, management functions, and expansion capabilities that consumer disks or USB-class storage do not normally provide. Option B is incorrect because enterprise storage is not distinguished by being cheaper to purchase; the additional controllers, redundancy, enterprise software, support, and serviceability typically increase acquisition cost. Its economic benefit is instead evaluated through availability, consolidation, operational efficiency, and total cost of ownership over the system lifecycle. Scribd

E2E NVMe capability is the most important technology to help OceanStor Dorado reach the fastest file operation speed that the industry has ever seen. E2E NVMe means that NVMe is used throughout the entire data path, from the front-end interface to the back-end SSDs. This eliminates the performance bottleneck caused by traditional SCSI protocols and improves the I/O efficiency and latency significantly. E2E NVMe enables OceanStor Dorado to deliver up to 20 million IOPS and 0.1 ms latency for file operations. Reference: [OceanStor Dorado All-Flash Storage Product Brochure]

OceanStor Dorado can support multiple sales scenarios, such as databases, virtualization, and High-Performance Data Analytics (HPDA). OceanStor Dorado can provide low latency, high throughput, and high IOPS for database applications, such as Oracle, SAP HANA, and MySQL. OceanStor Dorado can also optimize the performance and efficiency of virtualization environments, such as VMware, Hyper-V, and OpenStack. Moreover, OceanStor Dorado can accelerate the data processing and analysis of HPDA applications, such as EDA, AI, and big data.

Backup storage is a type of data storage that is used to create copies of data that can be restored in case of data loss, corruption, or disaster. Backup storage typically has high performance and reliability, and often uses incremental or differential methods to reduce the amount of data that needs to be backed up.  Backup storage can be located on-premises or in the cloud

OceanStor Dorado high-end product can tolerate 7 out of 8 controllers failed, with SmartMatrix architecture. This is because the SmartMatrix architecture supports cross-engine active-active mode, which means each controller can access any LUN in the system. Therefore, even if only one controller is left, the system can still provide services. Reference:  Pre-release Announcement for Huawei Specialist Certification HCSA-Presales-Storage V4.0 (English Version)

OceanStor Dorado 8000 and 18000 are the high-end all-flash storage systems in the OceanStor Dorado series. They are designed for mission-critical workloads, providing high performance, reliability, and intelligence. They can support up to 32 controllers, 32 TB cache, and 6400 enterprise-class SSDs.

For the product generation covered by HCSA-Sales-Storage V2.0, OceanStor Pacific 9950 and 9550 serve different design priorities. Pacific 9950 is the high-performance model , using 80 NVMe SSDs in a 5U system and delivering very high IOPS and bandwidth. Pacific 9550 is the high-capacity model , providing 120 3.5-inch SATA disk slots and approximately 1.68 PB raw capacity in the course configuration. Therefore, when the decisive requirement is high IOPS, the 9950 is the appropriate performance-oriented choice rather than the capacity-oriented 9550. This distinction is explicitly reflected in Huawei storage training material, which categorizes the 9950 as performance-oriented and the 9550 as capacity-oriented. The statement consequently reverses the intended product positioning and is False . Scribd

The reason why backup storage capacity is larger than production storage is not that backup storage stores multiple copies of production data, but that backup storage stores multiple versions of production data. Backup storage provides data protection for production data by creating backup images at different points in time. These backup images can be used to restore production data in case of any data loss or corruption. Backup storage usually stores more versions of production data than production storage itself, which makes backup storage capacity larger than production storage capacity.

OceanStor Pacific does not adopt a full symmetric architecture. OceanStor Pacific adopts a distributed architecture that consists of multiple nodes that are interconnected by a network. Each node has its own storage resources and computing resources, and can provide data services independently or collaboratively. The distributed architecture provides high performance, scalability, reliability, and efficiency for unstructured data storage.

The statement accurately represents Huawei ' s F2F2X architecture. F2F2X expands to Flash-to-Flash-to-Anything . In the HCSA-Sales-Storage training model, the first Flash represents flash-based primary/production storage, while the second Flash represents the transition of backup storage to flash-based technology. The “Anything” layer covers archive and secondary copies that may reside on public, private, or hybrid cloud, disk, tape, or Blu-ray media depending on retention and cost requirements. Huawei ' s modern F2F2X material follows the same architecture and explicitly depicts production storage as Flash, backup storage as Flash, and archive storage as X/Anything. OceanStor Dorado typically serves production workloads, OceanProtect provides high-performance flash backup, and OceanStor Pacific or other media can provide longer-term retention. Therefore, the second “F” does represent flash backup storage. Scribd