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Pure Storage FlashArray-Implementation-Specialist Exam copyright Topics:

TopicDetails
Topic 1
  • 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.
Topic 2
  • 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.
Topic 3
  • 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.
Topic 4
  • 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.

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Pure Storage Certified FlashArray Implementation Specialist Sample Questions (Q172-Q177):

NEW QUESTION # 172
After running puredb run giveback --safe command once CT0 has been upgraded, how long should the Implementation Engineer wait before continuing with the controller upgrade?

Answer: A

Explanation:
After executing the puredb run giveback --safe command during a manual controller upgrade or specific non-disruptive upgrade (NDU) procedure, the Implementation Engineer must wait for 10 minutes before proceeding to the next step (typically upgrading the peer controller).
The giveback command instructs the recently upgraded controller (e.g., CT0) to resume its primary role and take back ownership of its assigned storage resources and I/O handling from the peer controller. This process triggers a failover event for the host multipathing software.
Path Stabilization: The 10-minute wait time is a critical safety buffer mandated to ensure that all host-side multipathing drivers (MPIO) have successfully recognized the restored paths to the upgraded controller and have stabilized.
Risk Mitigation: Proceeding too quickly-before the hosts have fully settled and paths are marked as "Active/Optimized"-could lead to an "all paths down" (APD) scenario when the second controller is taken offline for its upgrade. This wait time verifies that the upgraded node is fully functional and carrying load, adhering to the strict "availability first" philosophy of FlashArray upgrades.


NEW QUESTION # 173
During an NDU, when is the Implementation Engineer required to install additional NVRAM modules in slots
2 and 3?

Answer: C

Explanation:
FlashArray models differ in their NVRAM requirements based on their performance tier and throughput capabilities. Lower and mid-range models (like the //X10, //X20, and //X50) typically operate with two NVRAM modules installed in slots 0 and 1. However, high-performance models (like the //X70 and //X90) require double the NVRAM buffer to handle the increased write I/O bandwidth, necessitating four NVRAM modules (populating slots 0, 1, 2, and 3).
When performing a Data-in-Place Upgrade (NDU) from a FlashArray//X50R3 to a FlashArray//X70R4 , the chassis remains (or is upgraded in a way that preserves data), but the new controller configuration shifts from a "2-NVRAM" requirement to a "4-NVRAM" requirement. Therefore, as part of the physical upgrade procedure, the Implementation Engineer must install two additional NVRAM modules into slots 2 and 3 of the chassis to support the new //X70 controllers.
If these modules are not added, the new //X70 controllers will detect an "insufficient hardware" condition and fail to boot or initialize the Purity software properly. This step is unique to upgrades crossing the boundary between mid-range and high-end models.
=========


NEW QUESTION # 174
Which NVRAM bays are always populated on the FlashArray//XR2/3?

Answer: A

Explanation:
On standard Pure Storage FlashArray models, including the //XR2 and //XR3 generations, the hardware architecture relies heavily on dedicated, non-volatile memory (NVRAM) modules. These modules are responsible for safely ingesting incoming host writes and protecting data in flight against unexpected power loss or controller failures before the data is ultimately destaged to the capacity flash drives.
To maintain absolute high availability and guarantee there is no single point of failure within the write cache, this NVRAM must always be mirrored across separate physical modules. During the physical hardware installation, the Implementation Engineer populates the dedicated NVRAM bays located centrally on the front bezel of the chassis. According to official Pure Storage implementation guidelines, the primary pair of NVRAM modules must always be installed in the first two designated bays, which are explicitly labeled 0 and 1 (NVB0 and NVB1).
While higher-performance arrays in the series (like the //X70 and //X90) possess enough ingest bandwidth to require populating bays 2 and 3 as well, bays 0 and 1 are the universal minimum baseline that is definitively populated across every array in the series to ensure N+1 cache redundancy.


NEW QUESTION # 175
An Implementation Engineer is assigned to install a 4X Module 9.1 TB Conversion Kit in a Flash Array Chassis. Why are there only four Direct Flash Modules?

Answer: A

Explanation:
A "4X Module" kit is specifically designed to widen an existing write group (RAID set).
* Write Group Geometry: In standard FlashArray//X configurations, DirectFlash Modules (DFMs) operate in "Write Groups" (typically 10 modules wide for a standard data pack). However, to offer more flexible entry points or capacity expansion options, Pure Storage allows configurations that start with smaller write groups (e.g., 6 modules).
* Widening: When a customer wants to expand capacity or performance on these smaller configurations without adding a full new 10-pack, they can purchase a widening kit (in this case, 4 modules).
* Process: The Implementation Engineer installs these 4 modules into the empty slots. The Purity operating system then logically integrates these new drives into the existing narrow write group,
"widening" it to the standard width (e.g., 6 + 4 = 10). This operation redistributes parity and data across the full set of 10 drives, improving performance and efficiency.


NEW QUESTION # 176
A customer would like to reduce SafeMode settings for retention and eradication with their current policy. How is authorization obtained to make the requested changes?

Answer: C

Explanation:
To reduce SafeMode protections (such as shortening the retention period or disabling the eradication timer), two authorized SafeMode approvers must authenticate and approve the request via Pure1 step-up authentication.
SafeMode is a ransomware protection feature designed to prevent the accidental or malicious deletion of snapshots. Because reducing these protections weakens the array's security posture, Pure Storage enforces a strict "Ratchet" authorization process.
The Process: Unlike standard support requests, a single admin or local user cannot authorize this change (making Option C incorrect). The customer must have previously designated specific individuals as "SafeMode Approvers" in their Pure1 portal.
Authorization: When a request to weaken the policy is made, Pure Support triggers a verification workflow. Two of these designated approvers must log into Pure1 and perform a secondary authentication (often involving a PIN or TOTP) to explicitly "sign off" on the reduction. This "two-person rule" ensures that a compromised credential or a rogue insider cannot unilaterally expose the organization's backup data to destruction.


NEW QUESTION # 177
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