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We are conscious of the fact that most of the candidates have a tight schedule which makes it tough to prepare for the Pure Storage Certified FlashArray Implementation Specialist exam preparation. DumpTorrent provides you Pure Storage FlashArray-Implementation-Specialist Exam Questions in 3 different formats to open up your study options and suit your preparation tempo.
NEW QUESTION # 81
An Implementation Engineer runs check start validate-array-health before starting a FlashArray//X70R3 to FlashArray//X70R5 HWNDU and receives code 60 alert indicating an unhealthy NVRAM module in CH0.
NVB1. What action Should the Implementation Engineer take to resolve this?
Answer: B
Explanation:
Hardware Non-Disruptive Upgrades (HWNDU) rely strictly on the array being in a fully healthy state before the process begins. The validate-array-health check is designed to gate the upgrade if any component that provides redundancy or data integrity is compromised. NVRAM (Non-Volatile Random Access Memory) modules are critical components in the FlashArray architecture; they store in-flight write data to ensure it is persistent before being destaged to flash.
A "Code 60" alert specifically points to a hardware issue with an NVRAM module. While the //X70 model indeed has redundancy (often using multiple NVRAM modules), proceeding with an upgrade while one is degraded puts the array at risk. During an NDU, controllers reboot and failover; running on reduced redundancy during these critical operations is not supported and is blocked by the health checks.
The correct first step for an Implementation Engineer is to attempt to reseat the unhealthy NVRAM module
. Often, connection issues or transient seating faults can trigger these alerts. After reseating, the engineer must run the health check again to confirm the module status has returned to "healthy." If the module remains unhealthy after reseating, it must be replaced before the upgrade can proceed. You cannot simply disable it or ignore it, as the upgrade script will likely refuse to continue to protect data integrity.
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NEW QUESTION # 82
What are the starter configurations of DFMDs in a Gen 2 DirectFlash Shelf?
Answer: B
Explanation:
DirectFlash Shelves (DFS) are populated with DirectFlash Modules (DFMs) or DFMDs (DirectFlash Module with Distributed NVRAM, though usually just DFMs in shelves). For the Gen 2 DirectFlash Shelf, Pure Storage offers specific "starter packs" or partially populated configurations to allow for capacity flexibility while maintaining necessary performance and electrical balance.
The validated starter configurations for a Gen 2 DFS are 12-slot and 14-slot populations. This means the shelf must be populated with at least this number of drives to be a supported configuration. Populating fewer than this (e.g., 8 or 10) might result in insufficient bandwidth utilization across the shelf's internal fabric or fail strict configuration checks in the Purity operating system. Engineers must verify the drive count matches these supported increments during inventory to avoid configuration errors during initialization.
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NEW QUESTION # 83
In a situation where iSCSI cards need to be re-used during a controller upgrade, which is a valid transfer path?
Answer: A
Explanation:
iSCSI cards can be reused when upgrading from XR2 to XR3 controllers, supporting hardware continuity within this upgrade path.
NEW QUESTION # 84
What is the longest supported cable length for use with DirectFlash shelves?
Answer: B
Explanation:
DirectFlash Shelves (DFS) connect to the FlashArray controllers using high-speed protocols (typically RoCE - RDMA over Converged Ethernet) that require high-fidelity signal integrity. Due to the high bandwidth (50Gb or 100Gb speeds) and low latency requirements of the NVMe-oF (NVMe over Fabrics) protocol used for backend connectivity, the physical cabling length is strictly limited.
Pure Storage officially supports a maximum cable length of 3 meters for connecting DirectFlash Shelves to the controller or for daisy-chaining shelves (where supported). Cables longer than 3 meters (such as 5m or 7m) introduce signal attenuation and latency that can destabilize the backend fabric, leading to CRC errors, path flapping, or drive disconnections.
Implementation Engineers must ensure that the rack layout allows the shelves to be placed within this 3-meter radius of the controllers. Typically, shelves are racked immediately above or below the controller chassis to minimize cable run distance. Attempting to span across multiple racks using longer, unsupported cables will result in an unsupported configuration and likely immediate I/O errors.
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NEW QUESTION # 85
The Pure Engagement Request (PER) specifies that iSCSI ports ETH2 and ETH3 should be set to 10 Gb/s.
After configuring the ports and connecting them to the SAN, the Implementation Engineer observes that ETH2
/3 are not negotiating and display 0 b/s. The SAN is operating at 40 Gb/s, with support for up to 100 Gb/s.
What should the Implementation Engineer do to resolve this issue and complete the install?
Answer: A
Explanation:
When deploying Ethernet-based storage protocols like iSCSI or NVMe/TCP, establishing a healthy Layer 1 physical connection is the absolute first step. On standard Pure Storage FlashArray controllers (like the //X50 or //X70), the default on-board high-speed ports (ETH2 and ETH3) utilize SFP28 physical cages. These specific ports are hardware-designed to support 10GbE or 25GbE speeds depending on the inserted SFP+ or SFP28 transceiver.
In this scenario, a fundamental physical layer mismatch is occurring. The array ports are attempting to link at
10 Gb/s (using SFP+ optics), but the upstream SAN switch is operating natively at 40 Gb/s (which utilizes a physically larger QSFP+ form factor with four parallel 10G lanes). Auto-negotiation across mismatched optical form factors and lane architectures will almost always fail, resulting in a dead link showing 0 b/s.
An Implementation Engineer cannot magically "force negotiate" a 10G/25G SFP28 port on the array to run at
40G because the physical hardware simply does not support that bandwidth or encoding. Attempting to force the switch side (Option C) will also fail if the physical media doesn't match. The only correct, supported resolution is a hardware intervention: the engineer must replace the transceivers with the appropriate type
. Typically, this involves using a QSFP-to-SFP adapter (QSA) on the switch side, or utilizing a specialized
40G-to-4x10G breakout cable to ensure both ends of the fiber are communicating using the exact same light wavelengths, lane counts, and physical port speeds.
NEW QUESTION # 86
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