H19-308_V4.0 Exam Dumps - HCSA-Presales-Storage V4.0

The new-generation OceanStor hybrid flash storage is designed to support modern cloud-native workloads, including those running in containerized environments. To facilitate the connection between storage resources and container orchestrators like Kubernetes, Huawei supports several key plug-ins:

CSI (Container Storage Interface) (Option D): This is the industry-standard interface that allows the storage system to provide persistent volumes (PVs) to containers. By using the Huawei CSI plug-in, users can automate the provisioning, mounting, and management of LUNs (SAN) and File Systems (NAS) directly from Kubernetes manifests.

CDR (Container Disaster Recovery) (Option A): In addition to basic connectivity, Huawei provides the CDR plug-in to manage data protection for containerized applications. CDR enables backup and disaster recovery capabilities for persistent data, ensuring that if a container cluster or a data center fails, the application data can be recovered at a secondary site using replication or backup technologies.

Plug-ins like CSS or ECS (Options B and C) are generally related to other cloud services or specific compute instances and are not the primary container storage plug-ins associated with the OceanStor hybrid flash series.

Huawei OceanProtect provides a multi-layered defense to ensure that backup data remains immutable and protected from ransomware attacks. To specifically prevent data tampering and deletion, the following technologies are employed:

WORM (Write Once, Read Many) (Option C): This technology ensures that once data is written to the backup storage, it cannot be modified or deleted by any user (including administrators) until the specified retention period has expired.

Secure Snapshot (Option A): These snapshots are protected by a " read-only " attribute and a retention lock. Unlike standard snapshots, secure snapshots cannot be deleted manually before they expire, providing a reliable point-in-time recovery source even if the primary backup is targeted.

Air Gap (Option B): By physically or logically isolating a copy of the data in an " Air Gap " zone that is disconnected from the network most of the time, Huawei ensures that the data is unreachable for tampering or deletion by attackers who have gained access to the production network.

Detection and analysis (Option D) is part of the solution, but its purpose is to identify an ongoing attack or infected files, rather than physically preventing the tampering or deletion of the data itself.

Enterprise storage systems and general-purpose servers differ mainly in reliability engineering, data protection design, and availability architecture. Production quality control is a key difference because storage systems are built and validated specifically for continuous data services, strict compatibility, and long-term reliability. Power failure protection is also important because storage systems use mechanisms such as cache protection, battery backup, supercapacitors, or data vaulting to prevent data loss during unexpected power failures. High availability architecture is another major difference. Enterprise storage commonly includes redundant controllers, redundant power supplies, redundant paths, hot-swappable components, and failover mechanisms. Price alone is not a technical differentiator because both servers and storage systems vary widely in cost depending on configuration. The real differences are engineering reliability, power-loss protection, and HA architecture.

Huawei’s HyperLock feature provides WORM (Write Once, Read Many) functionality for NAS file systems. When a file is placed in the WORM state, the storage system strictly enforces a policy where the file ' s data can be accessed and read by authorized users, but any attempt to modify, overwrite, or delete the file is blocked by the storage controller.

In the Huawei OceanStor system, a file enters the WORM state after it is " locked. " Once locked, the file remains in a read-only state for a defined retention period. During this time, not even an administrator can modify the file ' s content or reduce its protection duration. This is critical for meeting regulatory compliance (such as SEC Rule 17a-4) and for protecting sensitive data against ransomware, as it ensures that once data is archived, it remains immutable and verifiable. Only after the retention period has expired can the file be deleted, though it can still never be modified.

The statement is false because object storage does not handle modifications in the same way as traditional file storage. In file storage, users can usually open a file, modify part of its content, and save the updated file through a hierarchical file system. Object storage uses a flat structure where each object is stored as a complete unit containing data, metadata, and a unique object identifier. Objects are generally not modified by editing internal content segments in place. When object content needs to be changed, the common method is to upload a new version or overwrite the entire object, depending on the system and versioning configuration. This design simplifies scalability and metadata management for massive unstructured data. Therefore, modifying an object is not the same as modifying a file.