試験の準備方法-実際的なFlashArray-Implementation-Specialist技術内容試験-効率的なFlashArray-Implementation-Specialist試験概要

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Pure Storage FlashArray-Implementation-Specialist 認定試験の出題範囲：

トピック出題範囲
トピック 1
  • Post-Installation
  • Upgrade: This section of the exam measures the skills of FlashArray Implementation Specialists and evaluates how professionals confirm system functionality after installation or an upgrade. It involves validating connectivity, running health checks, confirming configurations, and ensuring that the deployment meets operational expectations.
トピック 2
  • Installation: This section of the exam measures the skills of Enterprise Infrastructure Technicians and focuses on executing a successful installation of FlashArray systems. It tests the ability to perform physical setup, cabling, configuration of network settings, and the application of initial system configurations necessary for full deployment.
トピック 3
  • Upgrades: This section of the exam measures the skills of FlashArray Implementation Specialists and focuses on tasks involved in managing firmware and software upgrades. Candidates must demonstrate knowledge of upgrade planning, verification steps, and rollback procedures, ensuring that systems are updated with minimal disruption to service.
トピック 4
  • Pre-Installation
  • Upgrade: This section of the exam measures the skills of Enterprise Infrastructure Technicians and covers all preparation activities before deploying or upgrading a Pure Storage FlashArray. It includes understanding environmental requirements, verifying prerequisites, checking compatibility, and validating system readiness through appropriate tools and documentation.

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FlashArray-Implementation-Specialist試験概要、FlashArray-Implementation-Specialist資格難易度

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Pure Storage Certified FlashArray Implementation Specialist 認定 FlashArray-Implementation-Specialist 試験問題 (Q25-Q30):

質問 # 25
Before proceeding with a controller upgrade, phonehome logs must be sent. What command will verify that the logs have been sent?

正解：A

解説：
To verify the history and transmission status of Phonehome log bundles, the correct command is purearray phonehome --list.
Before starting a controller upgrade (NDU), it is mandatory to ensure that the array can successfully transmit diagnostic data to Pure Storage. This allows Support to review the "pre-flight" checks and ensures that if an issue occurs during the upgrade, logs will be available for triage.
Usage: Running purearray phonehome --list displays a table of recent log bundles generated by the system.
Verification: The Engineer must look at the Status column for the most recent entries. A status of "uploaded" confirms that the array has successfully connected to the Pure Storage cloud and transferred the data. If the status is "queued" or "failed," the upgrade should not proceed until network connectivity (firewall/proxy) is resolved. Options A and C are incorrect CLI syntax for this specific verification task.


質問 # 26
When performing an install on a FlashArray, what step should be taken first?

正解：A

解説：
When performing a standard installation on a FlashArray, the first logical configuration step is the CT0 configuration (typically via the puresetup utility on the primary controller).
Workflow: After the physical rack-and-stack, cabling, and power-on, the Implementation Engineer must establish a management connection to the array. This is done by connecting to the serial console or the default IP of Controller 0 (CT0).
Initialization: The puresetup process on CT0 initializes the system, sets the management IP addresses (VIP, CT0, CT1), and configures the gateway/DNS. This step effectively "builds" the array cluster.
Why not C? While ensuring the array is on the target code version is critical, a "Code Upgrade" is typically performed after the array is initialized and network-accessible (or via the Pure1 SSU workflow). The only exception is a manual USB re-image for a factory reset, but the standard installation procedure defines Configuration/Initialization as the primary step to bring the system online. Configuration of CT1 (Option B) happens automatically as part of the cluster creation initiated from CT0.


質問 # 27
Support requests a powercycle on a newly-installed FlashArray. What is the correct way to perform this action?

正解：B

解説：
To perform a "powercycle" or restart of the FlashArray system as typically requested by Support for diagnostic or initialization purposes, the correct and safe method is to run the purearray reboot command.
While the term "power cycle" often implies a physical interruption of power in general IT terminology, Pure Storage FlashArrays are designed as "Always-On" systems and do not have standard physical power buttons on the controllers for this purpose (Option A is incorrect as no such button exists for system-wide power cycling). Physically unplugging the power cables (Option B) constitutes a "hard" power cycle or "cold boot," which is generally reserved for specific hardware replacements or emergency procedures, not standard support requests on a healthy or newly installed system.
The purearray reboot command gracefully shuts down the Purity operating system services, flushes data from the volatile memory to the non-volatile storage, and restarts both controllers sequentially or simultaneously depending on the arguments. This ensures that the system returns to a clean state without the risk of data inconsistency or "dirty" shutdowns that physical cable removal might cause. In the context of a new installation or support troubleshooting, this software-driven restart is the standard procedure.


質問 # 28
A customer needs to have arrays installed and configured with ActiveCluster and ETH replication. The installation document contains 3 IP addresses. How many additional IP addresses are needed?

正解：C

解説：
To properly configure a FlashArray for ActiveCluster with Ethernet replication, a total of 9 IP addresses are typically required per array. If the installation document currently lists only 3 IP addresses, the Implementation Engineer needs 6 additional IP addresses.
The breakdown of the requirement is as follows:
Management (5 IPs): Standard ActiveCluster best practices mandate fully redundant management connectivity. This includes 1 Virtual IP (VIP) and 4 Physical IPs (CT0.eth0, CT1.eth0, CT0.eth1, and CT1.eth1). The initial "3 IP addresses" provided usually correspond to the basic setup (VIP, CT0.eth0, CT1.eth0), leaving a deficit of 2 management IPs (for the eth1 redundancy).
Replication (4 IPs): ActiveCluster over Ethernet requires dedicated replication ports separate from management. The standard configuration utilizes two physical ports per controller for redundancy (e.g., CT0.eth2, CT0.eth3, CT1.eth2, CT1.eth3), requiring 4 unique IP addresses.
Therefore, 2 additional management IPs + 4 replication IPs = 6 additional IPs required to meet the strict redundancy standards for an ActiveCluster deployment.


質問 # 29
An Implementation Engineer is installing a second DirectFlash Shelf (DFS) on a FlashArray//XR4 controller.
How should the Implementation Engineer complete the installation?

正解：B

解説：
The FlashArray//XR4 introduces a new chassis layout and PCIe slot numbering scheme compared to previous generations. For expansion connectivity, specific slots are designated for the backend SAS or Ethernet/RoCE fabric cards that connect to DirectFlash Shelves.
According to the //XR4 hardware guide and expansion best practices, PCIe slot 3 is the designated location for the additional expansion interface card required when adding a second DirectFlash Shelf (or for specific shelf configurations). Slots 0 and 1 are often reserved for host I/O or other functions, and slot numbering
/priority is strict to ensure the BIOS and Purity software correctly recognize the card function.
Installing the card in the wrong slot (like slot 0 or 4, if those are reserved for other uses or primary I/O) could result in the shelf not being detected, the array failing to boot, or suboptimal performance due to PCIe lane allocation. Therefore, the engineer must install the DFS expansion card into PCIe slot 3 and cable the second shelf to the ports on that specific card to ensure a supported and functional configuration.


質問 # 30
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