H19-308_V4.0 Exam Sample Questions, Practical H19-308_V4.0 Information

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Huawei H19-308_V4.0 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Backup and Disaster Recovery: Backup and disaster recovery strategies protect organizations from data loss through redundant copies of critical information. Comprehensive backup solutions ensure business continuity and enable rapid recovery to minimize downtime.
Topic 2
  • OceanProtect Backup Storage: OceanProtect offers comprehensive data protection with efficient backup, recovery, and retention features. This solution ensures security through encryption and deduplication while reducing storage costs.
Topic 3
  • Data Storage Basis: Data storage is the foundation of IT infrastructure, enabling efficient storage, management, and retrieval of digital information. Understanding storage fundamentals is essential for selecting solutions that meet business performance, capacity, and reliability requirements.
Topic 4
  • SAN Storage Basis: Storage Area Networks provide high-speed, block-level storage over dedicated networks for enterprise applications requiring low latency. SAN enables multiple servers to share storage resources while supporting advanced features like snapshots and replication.

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Huawei HCSA-Presales-Storage V4.0 Sample Questions (Q63-Q68):

NEW QUESTION # 63
Which of the following new concepts is proposed by Huawei for data backup solutions?

Answer: B

Explanation:
Huawei proposes the new backup concept D2F2T (Disk-to-Flash-to-Tape), which leverages flash storage to accelerate backup and restore processes, providing a faster and more efficient data protection solution compared to traditional D2D2T (Disk-to-Disk-to-Tape) methods.


NEW QUESTION # 64
What is the maximum redundancy ratio supported by high-ratio EC?

Answer: C


NEW QUESTION # 65
Which features can improve system performance in SAN storage? (Select all that apply)

Answer: B,D

Explanation:
In Huawei OceanStor Hybrid Flash systems, performance optimization is achieved through intelligent resource management. Level-2 cache (Option A), known as SmartCache, utilizes SSDs as an extension of the system's DRAM cache. By storing "hot" data on high-speed SSDs, the system significantly reduces the read latency for frequently accessed blocks that have been evicted from the primary memory cache.
Storage tiering (Option D), or SmartTier, automatically migrates data blocks between different storage tiers (SSD, SAS, and NL-SAS) based on their access frequency. It ensures that active data resides on the highest-performance media while moving inactive "cold" data to high-capacity drives. These two features are specifically designed to maximize IOPS and minimize response times. In contrast, Thin Provisioning (SmartThin) and Data Deduplication (SmartDedupe) are "Storage Efficiency" features; their primary goal is to save physical space and improve capacity utilization. While essential for TCO, they do not inherently improve raw system performance and may involve a minor metadata overhead during processing.


NEW QUESTION # 66
OceanStor F V5 series are hybrid-flash storage systems.

Answer: A


NEW QUESTION # 67
Which statements are correct about snapshot and clone technologies? (Choose all that apply.)

Answer: A,B,C,D

Explanation:
Clones are indeed full copies of source data, so any operations on the clone do not impact the original data.
Secure or immutable snapshots are effective against ransomware, as they cannot be modified once created.
Both snapshots and clones are commonly used in data protection, providing point-in-time copies and redundancy.
Snapshots can be used for incremental backups by capturing only changes since the last snapshot, thus optimizing storage usage.


NEW QUESTION # 68
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