Free PDF Useful Pure Storage - Valid FlashArray-Storage-Professional Test Question

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Pure Storage Pure Certified FlashArray Storage Professional Sample Questions (Q30-Q35):

NEW QUESTION # 30
What is indicated by the Fibre Channel (FC) hosts in the following output?

Answer: C

Explanation:
Purity Active/Active Architecture: Pure Storage FlashArrays use an Active/Active controller architecture. Under normal operating conditions, both controllers (CT0 and CT1) are healthy and independently serve I/O through their respective physical Fibre Channel ports.
The Scenario (Controller Failover): The output provided shows that the host initiator is seeing target WWNs associated with both CT0 and CT1, but the "Target" column indicates they are all being reached via the paths currently managed by one controller or through a specific failover mechanism.
Virtual WWNs and Transparency: In a controller failover or maintenance scenario, Pure Storage utilizes a feature where the WWNs of the "failed" or "offline" controller are logically moved to or presented by the "surviving" controller. This ensures that the host's MPIO (Multi-path I/O) software does not see a permanent "Path Down" error for those specific WWNs, but rather a transition.
Analyzing the Output: When you see CT1 port WWNs (e.g., 52:4A:93:78:55:2D:E3:10) appearing in the connectivity table in a way that implies they are being routed or presented through the physical infrastructure of CT0, it indicates that the array is in a state where one controller is assuming the identity/connectivity of the other. This is a key troubleshooting indicator that the array is likely undergoing a controller reboot, a Purity upgrade, or has experienced a controller hardware failure.
Why A and B are incorrect: * Option A: Multipathing software on the host handles path failures, but it wouldn't cause the array to report WWNs in this specific "cross-presented" manner in a connectivity log.
Option B: If there were a total outage on CT1 without this presentation mechanism, the paths would simply show as "Disconnected" or be missing from the initiator's view entirely.


NEW QUESTION # 31
Where can a snapshot be copied out to?

Answer: C

Explanation:
On a Pure Storage FlashArray, volume snapshots are immutable, read-only, point-in-time representations of your data. Because they cannot be attached directly to a host to be read or modified, you must use the Copy function to make the data usable.
The Purity operating environment allows you to copy a snapshot to two specific destinations:
A new volume: This effectively creates a clone. It provisions a brand-new, writable volume using the exact data footprint of the snapshot. This is incredibly useful for test/dev environments, offline reporting, or granular file recovery where you don't want to disrupt the original production volume.
An existing volume: This takes the data from the snapshot and completely overwrites the target volume. This is the standard procedure when you need to perform a full rollback of a corrupted volume, or when you want to quickly refresh a lower-level environment (like refreshing a QA database with yesterday's Production snapshot).
Here is why the other options are incorrect:
A new Snapshot (B & C): You cannot directly "copy" a snapshot to create another standalone snapshot. Snapshots are uniquely generated from active volumes. If you wanted to duplicate a snapshot's exact state, you would first copy it to a volume, and then take a new snapshot of that resulting volume.


NEW QUESTION # 32
An application engineer reports seeing high latency in their application running in a VMware instance.
What is the best method to determine the source of the latency?

Answer: A

Explanation:
Within the Pure Storage ecosystem, the absolute best method to troubleshoot and pinpoint the exact source of VMware latency is to use VM Analytics (VM Topology) in Pure1.
VM Analytics is a feature built directly into Pure1 that maps the entire data path from the virtual machine all the way down to the physical FlashArray. It provides a visual topology map detailing the VM, Virtual Disk, ESXi Host, Datastore, and FlashArray Volume. By analyzing performance across this topology, an administrator can instantly identify exactly where the latency is being introduced. For example, you can clearly see if the latency spikes at the ESXi host layer (indicating compute contention) or the network layer, even if the FlashArray volume itself is reporting sub-millisecond latency at the storage level.
Here is why the other options are incorrect:
Analyze load metrics in Pure1 for each volume in the user's data path (C): Looking exclusively at volume-level metrics on the FlashArray will only tell you the latency from the array's perspective. If the latency is being caused by an overloaded ESXi host CPU or a saturated SAN fabric, the FlashArray metrics will look perfectly healthy, and you will fail to identify the source of the problem.
Analyze performance charts in vSphere for CPU, Memory, Network, and Storage Path for the user's data path (B): While vCenter performance charts are useful, they often lack deep storage-array-level context. Pure1's VM Topology is the "best" method because it correlates the vSphere stack data with the native FlashArray telemetry data in a single, unified view, making full-stack root cause analysis much faster.


NEW QUESTION # 33
A storage administrator is configuring a new volume and wants to provision 500GB. If the administrator accidentally selects PB, what will happen?

Answer: A

Explanation:
Pure Storage FlashArrays utilize Thin Provisioning as a core, always-on architectural principle. When a volume is created, the "size" assigned to it is merely a logical limit (a quota) presented to the host; no physical back-end flash capacity is allocated or "pinned" at the time of creation.
Because of this architecture, Purity allows administrators to create volumes that are significantly larger than the actual physical capacity of the array (this is known as over-provisioning). If an administrator accidentally selects PB (Petabytes) instead of GB, the Purity GUI will allow the volume to be created because it is a logical operation that doesn't immediately consume 1PB of physical flash. However, Purity includes a built-in safety check: if the requested logical size is exceptionally large or exceeds the current physical capacity of the array, the GUI will present a warning or confirmation prompt to ensure the administrator is aware of the massive logical size being provisioned before finalizing the change.
Here is why the other options are incorrect:
The volume will be created and space will immediately be used (A): This describes "Thick Provisioning," which Pure Storage does not use. Space is only consumed on a FlashArray when unique data is actually written by the host and processed by the deduplication and compression engines.
The volume will not be created and a warning will be displayed (C): Purity does not strictly forbid over-provisioning. While it warns the user to prevent human error, it does not block the creation of the volume, as over-provisioning is a standard practice in thin-provisioned environments.


NEW QUESTION # 34
The Load Meter in the Pure1 GUI shows a consistently high workload, averaging a 90% load over the past hour. The array also has high space usage of 85%.
What is the expected result?

Answer: A

Explanation:
Understanding the Load Meter: The Load Meter in Pure1 and Purity represents the percentage of the array's performance capacity currently being utilized. It takes into account CPU cycles, back-end metadata processing, and front-end I/O. A 90% load means the controllers are nearly saturated.
The Impact of Capacity on Load: As a FlashArray fills up (specifically beyond 80%), the Purity Operating Environment must work harder to find and organize free space. This "Garbage Collection" (GC) process becomes more intensive, which consumes more controller resources and contributes to a higher Load Meter reading.
Internal System QoS: To ensure the stability and integrity of the storage, Pure Storage uses Internal Quality of Service (QoS). This is an "always-on" feature that prioritizes critical system processes (like metadata updates, internal health checks, and data protection) over incoming host I/O during periods of extreme resource contention.
Graceful Performance Pacing: When the load is consistently high (like the 90% described), Purity may introduce small amounts of latency to the host I/O (often seen as "Wait" or "Queue" time) to "pace" the workload. This prevents the controllers from reaching a 100% "locked" state, ensuring the array remains responsive and healthy even under heavy pressure.
Why Option C is incorrect: While the array needs to reclaim space, prioritizing Space Reclamation (a background task) during a 90% performance load would likely push the controllers to 100% load, causing significant latency spikes or instability for the host. The system must balance reclamation with active production I/O.


NEW QUESTION # 35
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