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NEW QUESTION # 85
RTO is short for Recovery Time Objective. A smaller value is preferred.
Answer: A
Explanation:
RTO defines the maximum acceptable time to restore services after a failure. Smaller RTO values indicate faster recovery, which is preferred.
NEW QUESTION # 86
Which is NOT a front-end port of the Dorado V3?
Answer: D
NEW QUESTION # 87
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?
Answer: A
NEW QUESTION # 88
Which of the following are differences between scale-out storage and array storage? (Select all that apply)
Answer: B,C,D
Explanation:
Huawei distinguishes Scale-out Storage (OceanStor Pacific) from traditional Array Storage (Centralized SAN/NAS) based on its ability to handle the "Yottabyte Era" requirements of mass data.
Large Volume (Option A): While traditional arrays are limited by the number of controllers and disk enclosures they can address, scale-out storage is designed to aggregate thousands of nodes into a single global namespace, easily managing 10 PB or even EB-level data volumes.
TB-level Bandwidth (Option C): Distributed storage excels at throughput. By utilizing a high-speed interconnected network (InfiniBand or RoCE) and parallel access protocols like DPC, a scale-out cluster can deliver aggregate bandwidth in the range of TB/s, which is critical for HPC and big data analytics.
Elastic Scalability (Option D): Traditional arrays typically scale out to a few dozen controllers. OceanStor Pacific can scale out to 4,096 nodes in a single cluster, providing linear growth in both performance and capacity as nodes are added.
Performance in IOPS (Option B) is not a difference in the sense that both systems provide IOPS; however, centralized all-flash arrays (Dorado) are often superior for low-latency, high-IOPS structured databases, whereas scale-out storage is primarily defined by its massive bandwidth and capacity scalability.
NEW QUESTION # 89
What feature provided by OceanStor Dorado is used for high-frequency data protection (snapshot in seconds)?
Answer: C
Explanation:
HyperCDP (Continuous Data Protection) is a feature specifically designed for high-density, high-frequency data protection in Huawei OceanStor Dorado systems. While standard snapshots (HyperSnap) have limits on the total number of point-in-time copies and the frequency at which they can be taken, HyperCDP allows for the creation of snapshots at intervals as short as several seconds.
HyperCDP achieves this by utilizing a specialized metadata management system that minimizes the impact on system performance during the snapshot creation process. It can support up to 60,000 recovery points per LUN, providing a much finer granularity for data recovery than traditional backup or snapshot technologies. This is particularly useful for protecting against ransomware or logical data corruption, as it allows an administrator to roll back a database or volume to a state just seconds before the incident occurred. HyperReplication (Option B) is for remote DR, HyperLock (Option C) is for WORM/compliance, and HyperVault (Option D) is an integrated backup tool for older hybrid systems.
NEW QUESTION # 90
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