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>> FlashArray-Implementation-Specialist資格関連題 <<
当社Pure Storageには多くの専門家や教授がいます。 当社のすべてのFlashArray-Implementation-Specialist研究トレントは、Tech4Examさまざまな分野のこれらの優秀な専門家および教授によって設計されています。 FlashArray-Implementation-Specialistテストトレントが他の学習教材よりも高い品質を持っていることを確認できます。 私たちのデザインの目的は、学習を改善し、最短時間でFlashArray-Implementation-Specialist認定を取得できるようにすることです。 認定資格を取得したい場合は、Pure Storage Certified FlashArray Implementation Specialistガイド急流が最適です。
質問 # 229
When installing a FlashArray//XR5, at a minimum, which slots will use NVRAM?
正解：A
解説：
The FlashArray//XR5 (and //E family) introduces a significant architectural shift regarding Non-Volatile RAM (NVRAM). In previous generations (like R2/R3), NVRAM was provided by dedicated PCIe modules installed in specific "NVB" slots in the chassis.
In the //XR5 architecture, Pure Storage moved to Distributed NVRAM. The NVRAM functionality is integrated directly into the DirectFlash Modules (specifically the DFMDs - DirectFlash Module with Distributed NVRAM). This allows the NVRAM capacity to scale with the storage and removes the bottleneck of dedicated slots.
For a system to function correctly, a minimum number of these NVRAM-equipped modules must be present to form the initial write buffer and system quorum. The standard installation requirement for an //XR5 is that the first 10 slots (Slots 0-9) are populated with these specific DFMDs. This ensures there is sufficient distributed NVRAM capacity to boot the Purity operating environment and handle incoming writes safely. The Implementation Engineer must populate these slots first before adding standard DFMs in the remaining slots.
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質問 # 230
When should the Implementation Engineer run start_ndu controller-ndu to set the HWNDU tunable?
正解：B
解説：
This scenario reinforces the standard Pure Storage controller replacement methodology during an inter- generational Hardware NDU. The start_ndu controller-ndu script is a specialized internal tool explicitly designed to adjust system-level tunables on a newly inserted controller so that it can seamlessly integrate with a peer controller of a different hardware footprint (e.g., an //XR3 peer and an //XR4 or //XR5 new controller).
The Implementation Engineer must run this script before initializing CT0 (or CT1, depending on which side is currently being replaced). The exact required workflow dictates that the Purity operating system must first be installed onto the new controller's internal boot drives so the OS is present to modify. Once installed, the tunable script is executed from the command line.
Only after these HWNDU tunables are safely set can the engineer proceed to initialize the controller using puresetup, allowing it to sync its NVRAM securely and establish High Availability (HA) with the older surviving node. Attempting to initialize the controller before setting this tunable will cause the cluster's health checks to fail and reject the mismatched node, stalling the upgrade process.
質問 # 231
Once the new Purity firmware has been installed using the pureinstall command, what step is required to commit the new version?
正解：C
解説：
During a Hardware Non-Disruptive Upgrade (HWNDU) or an offline controller reimaging process, the Implementation Engineer uses the pureinstall utility via the local KVM console to write a new Purity//FA operating system image onto the hardware.
The FlashArray controller boot drives are designed with an A/B partition structure to ensure safe upgrades and easy rollbacks. When the pureinstall < version > .ppkg command successfully completes its execution, it has merely unpacked and written the new Purity OS onto the inactive, alternate boot partition. It does not automatically switch the live operating system.
To finalize the installation and actually boot the controller into the newly installed Purity version, the Implementation Engineer must manually issue a reboot command (typically by typing sudo reboot or simply reboot at the setup prompt).
Upon rebooting, the controller's BIOS will target the newly updated partition, load the fresh Purity kernel, and initialize the system on the new version. Selecting Option B (rebooting the array) is entirely incorrect, as taking down both controllers simultaneously would cause a complete storage outage, violating the fundamental principles of a non-disruptive upgrade. Logging out (Option C) merely closes the console session but leaves the controller running the old OS partition.
質問 # 232
A customer has a DirectFlash Shelf installed on a FlashArray//X90R4. The 208V rack PDUs are full, but there are five 120V connections available at the top of the rack. What should the Implementation Engineer understand about powering the DirectFlash Shelf in this scenario?
正解：B
解説：
Pure Storage DirectFlash Shelves (DFS) are designed with high-efficiency, enterprise-grade power supply units (PSUs). These PSUs are "auto-ranging," meaning they can accept a wide range of input voltages, typically from roughly 90V to 264V AC.
While data centers often prefer 208V-240V power sources for better efficiency (less heat loss and lower amperage draw for the same wattage), the hardware is fully validated and supported to operate on standard 110V/120V circuits. There is no "temporary only" restriction or hardware lockout that prevents operation on 120V.
Therefore, if the customer's high-voltage PDUs are full, the Implementation Engineer can safely connect the DirectFlash Shelf to the available 120V outlets. The shelf will function normally, provided the circuit has sufficient amperage capacity (amps) to handle the slightly higher current draw that results from using a lower voltage. This configuration is supported for the entire service life of the shelf.
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質問 # 233
The customer has completed the installation document and has stated that the proxy server address is "10.24.18.120". What additional information is required?
正解：B
解説：
To properly configure the proxy server, both the protocol prefix (e.g., http:// or https://) and the port number are required along with the IP address.
質問 # 234
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