H19-308 Hcsa-Presales-Storage V4.0 Practice Questions
Prepare for H19-308 with more than an answer.
- Exam fee
- $100 USD
- Level
- Associate
- Valid for
- 3 years
Domains covered on the exam 9
- Data Storage Basis8%
- SAN Storage Basis17%
- NAS Storage Basis12%
- Object Storage Basis10%
- Backup and Disaster Recovery10%
- OceanStor Dorado15%
- OceanStor New Hybrid Flash Storage8%
- OceanStor Pacific10%
- OceanProtect Backup Storage10%
- 1
A government agency is implementing a secure, long-term archive for sensitive records using an on-premises object storage solution. A primary requirement is to prevent records from being deleted or modified for a specified retention period, even by administrators, to comply with legal mandates. Which object storage feature must be enabled and configured to meet this requirement?
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Correct answer: D
The WORM (Write Once, Read Many) feature, often implemented as 'Object Lock' in S3-compatible systems, is specifically designed for this purpose. When an object is locked with a retention policy, it becomes immutable for the duration of that policy. It cannot be overwritten or deleted by any user, including privileged administrators, ensuring data integrity and compliance with legal and regulatory retention requirements.
- 2
The SmartMatrix architecture is a key high-availability feature of the OceanStor Dorado. Which of the following statements accurately describe its design and benefits? (Select TWO)
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Correct answer: B, C
- 3
A large enterprise is considering a Huawei OceanStor Pacific solution for their AI data lake. The solution will store petabytes of training data and must integrate seamlessly with their Hadoop-based analytics platform. A primary goal is to eliminate the performance bottlenecks associated with traditional NAS gateways when accessing data from Hadoop clusters. Which native protocol supported by OceanStor Pacific directly addresses this requirement?
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Correct answer: C
OceanStor Pacific provides native support for the Hadoop Distributed File System (HDFS) protocol. This allows Hadoop compute nodes to access data directly from the storage system without going through inefficient gateways. This direct, native integration is crucial for performance in big data analytics, as it leverages the parallel architecture of both Hadoop and OceanStor Pacific, eliminating performance bottlenecks and simplifying the overall architecture.
- 4
During a disaster recovery test, an administrator initiates a failover for a critical application protected by Huawei HyperMetro. What is the expected Recovery Time Objective (RTO) and Recovery Point Objective (RPO) for this application?
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Correct answer: B
HyperMetro is an active-active, synchronous replication solution. Because writes are committed to both storage arrays simultaneously before being acknowledged to the host, it guarantees zero data loss in the event of a site failure, resulting in an RPO of zero. The RTO is near-zero (seconds to minutes), representing the time it takes for the host-level clustering software (like VMware HA or a database cluster) to detect the failure and restart services on the surviving site. The storage itself has no downtime.
- 5
A consultant is explaining the architecture of OceanStor Pacific to a customer. The customer wants to understand how the system can independently scale performance and capacity to meet the evolving needs of their AI data lake. How does the OceanStor Pacific architecture achieve this?
graph TD subgraph "OceanStor Pacific Cluster" direction LR A[Performance Nodes - NVMe] --> C{Distributed File System} B[Capacity Nodes - HDD] --> C C --> D[Unified Namespace] end Client1[AI Training Client] --> A Client2[Archival Client] --> BShow answer details
Correct answer: B
OceanStor Pacific features a decoupled, scale-out architecture. This means that performance and capacity are not tightly bound together. Customers can scale capacity by adding high-density, HDD-based capacity nodes, and they can scale performance by adding compute-heavy, NVMe-based performance nodes. Both node types contribute to the same unified storage pool, allowing for flexible, independent scaling based on specific workload requirements.
- 6
A European financial institution is modernizing its core banking system, which processes millions of online transactions daily. The primary requirements include achieving sub-millisecond latency for OLTP workloads, ensuring zero RPO for transactions between its two data centers located 80km apart, and implementing robust protection against ransomware attacks that could target both primary block and file data repositories. The current infrastructure consists of aging Fibre Channel SANs from a different vendor, and the IT team has limited experience with active-active datacenter configurations.
The CIO has mandated a solution that can scale performance and capacity independently and can tolerate the failure of at least three controllers in the primary site without service interruption. A solution architect proposes a Huawei OceanStor Dorado deployment. Which configuration best meets all the stated requirements of the financial institution?
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Correct answer: D
This is the optimal solution as it addresses all complex requirements. The high-end OceanStor Dorado 18000 supports the necessary scale and can tolerate multiple controller failures (up to 7 of 8). The HyperMetro feature provides a zero RPO active-active solution suitable for the 80km distance. Critically, the question specifies protection for both block (SAN) and file (NAS) data from ransomware, a key capability of Dorado's integrated ransomware protection feature.
- 7
A storage administrator is designing a new Fibre Channel SAN fabric to connect a cluster of VMware ESXi hosts to a Huawei OceanStor Dorado array. To ensure high availability and load balancing, each host has two 32Gb FC HBAs. The administrator wants to implement a security policy where each HBA port can only communicate with specific storage array ports, preventing any unintended cross-communication between hosts. Which FC zoning method is the industry best practice for this scenario?
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Correct answer: D
WWPN (World Wide Port Name) zoning is the industry standard and best practice for creating zones in a Fibre Channel SAN. It zones a specific initiator port (the HBA port) to a specific target port (the storage array port). This method is highly granular, secure, and flexible because the zone membership is tied to the device's unique WWPN, not its physical location on the switch.
- 8
A media production company is building a large-scale video archive and post-production platform using Huawei OceanStor Pacific. They require a single storage pool that can be accessed simultaneously by video editors using SMB shares on Windows workstations, render farms running on Linux using NFS, and an automated media asset management (MAM) system that uses the S3 API. Which of the following statements accurately describe the capabilities of OceanStor Pacific that meet these requirements? (Select THREE)
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Correct answer: A, C, E
OceanStor Pacific is a unified scale-out storage system that provides multi-protocol access (SMB, NFS, S3, HDFS) to a single namespace, eliminating data silos. Its architecture allows for linear, independent scaling of performance and capacity by adding nodes. Native HDFS support is a key feature for big data and AI workloads.
- 9
True or False: In an object storage system like Huawei OceanStor Pacific, objects are immutable. To modify an object, a new version of the object must be created and uploaded, which then replaces the old version.
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Correct answer: A
This statement is true. A fundamental architectural principle of object storage is that objects are immutable. Unlike a block in a LUN or a file on a file system, you cannot perform partial writes or in-place edits to an existing object. Any change requires creating and uploading a new version of the entire object. This design simplifies data management and ensures data consistency.
- 10
A healthcare provider needs to implement a backup strategy that adheres to the 3-2-1 rule using Huawei solutions. They have one primary data center. Which of the following designs best represents the 3-2-1 backup rule?
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Correct answer: B
The 3-2-1 rule requires at least three copies of data, on two different types of media, with one copy located off-site. This option perfectly fulfills the rule: 1) The production data on Dorado is the first copy. 2) The backup on the local OceanProtect is the second copy. 3) The replicated copy in a public cloud is the third copy. The media are different (primary flash storage, backup disk appliance, cloud object storage). The cloud copy is off-site.
