Pure Storage FlashArray-Storage-Professional Questions - Latest Approved Exam Dumps

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Pure Storage FlashArray-Storage-Professional Exam Syllabus Topics:

TopicDetails
Topic 1
  • Data Protection: Covers snapshot management, replication configuration, policy management, SafeMode, and advanced replication technologies such as ActiveDR. Focuses on ensuring data availability, disaster recovery, and protection against data loss.
Topic 2
  • FA File: Covers configuration and management of FA File services, including DNS setup, Active Directory integration, and protocol access. Focuses on enabling secure and efficient file sharing across the organization.
Topic 3
  • Monitoring: Covers the use of Pure1, GUI, and CLI tools to monitor array health, generate reports, and analyze performance and capacity metrics. Includes data reduction ratios, meta forecasting, and proactive capacity planning.
Topic 4
  • Troubleshooting: Covers identification and resolution of configuration errors, performance issues, and replication problems using Pure Storage diagnostic tools and alerts. Includes port configuration and predictive support mechanisms to maintain system reliability.
Topic 5
  • Administration: Covers core administrative tasks including volume configuration, array management, host connections, third-party integrations, and security protocols. Focuses on best practices for maintaining optimal performance and secure access across the storage environment.

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Pure Storage FlashArray-Storage-Professional PDF Questions - Best Exam Preparation Strategy

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Pure Storage Pure Certified FlashArray Storage Professional Sample Questions (Q56-Q61):

NEW QUESTION # 56
What is the Pure Storage recommended Maximum Transmission Unit (MTU) size for the replication ports on a FlashArray?

Answer: A

Explanation:
Understanding MTU: The Maximum Transmission Unit (MTU) defines the largest size of a packet or frame that can be sent in a single network transaction. The standard Ethernet MTU is 1500 bytes. Anything larger than 1500 bytes is referred to as a Jumbo Frame.
Replication Efficiency: Replication involves moving large amounts of data between arrays. Using standard 1500-byte frames results in higher overhead because the CPU must process a larger number of headers for the same amount of data. By increasing the MTU, the FlashArray can pack more data into each frame, reducing CPU interrupts and improving overall throughput.
The Pure Recommendation: Pure Storage specifically recommends an MTU of 9000 for both iSCSI and Replication traffic. This is the industry standard for Jumbo Frames that balances efficiency with compatibility across most enterprise-grade switches.
Configuration Requirements: It is critical to remember that MTU must be configured end-to-end. For an MTU of 9000 to work on the replication ports:
The FlashArray replication ports must be set to 9000.
The network switches along the path (and any routers/ISLs) must support and be configured for at least 9000.
The target array's replication ports must also be set to 9000.
Why 9216 (Option A) is incorrect: While some switches support a "Baby Giant" or slightly larger MTU like 9216 to account for VLAN tagging overhead, Pure's internal and best practice documentation specifically points to 9000 as the standard setting for the array's interface.


NEW QUESTION # 57
Twelve stretched pods are synchronously replicating between an ActiveCluster (AC) FlashArray pair. A new unstretched pod is created and then is stretched, but the operation fails.
What is the most likely cause of the operation not completing successfully?

Answer: B

Explanation:
ActiveCluster Scalability Limits: Pure Storage FlashArrays have specific scalability limits regarding the number of "Active" or "Stretched" pods allowed per array or ActiveCluster pair. While these limits can vary slightly based on the Purity//FA version and the specific hardware model (e.g., //X, //XL, or //m), a common architectural limit in many Purity versions is up to 12 stretched pods.
The Scenario Analysis: In this case, the environment already has 12 stretched pods successfully replicating. When the administrator attempts to stretch a 13th pod, the operation fails because the array has hit the maximum concurrent stretched pod count supported by the Purity operating environment for that configuration.
Stretched vs. Unstretched: A pod exists locally (unstretched) without consuming an ActiveCluster pod "slot" in the same way. The failure specifically occurs during the "stretch" operation, which is the point where the synchronous replication relationship and mediator monitoring are established.
Resolution: To resolve this, the administrator would either need to:
Unstretch or Eradicate an existing pod that is no longer needed to free up a slot.
Check the specific Purity Release Notes for the hardware model to see if a firmware upgrade increases the maximum pod limit (some newer versions support more, but 12 is the classic threshold often tested in professional certifications).


NEW QUESTION # 58
An administrator is running commands to verify NVME/TCP connectivity from the hosts to the FlashArray. They use the command ping -M do -s 8972 <ip_addr> from the initiator and it fails.
What should the administrator do to resolve the issue?

Answer: B

Explanation:
When configuring NVMe/TCP (or iSCSI) for optimal performance on a Pure Storage FlashArray, configuring Jumbo Frames (an MTU of 9000) end-to-end is a standard best practice.
The command ping -M do -s 8972 <ip_addr> is specifically used to verify Jumbo Frame configuration across the network.
The -M do flag sets the "Do Not Fragment" (DF) bit, meaning the network is not allowed to break the packet into smaller pieces.
The -s 8972 flag sets the ICMP data payload to 8972 bytes. When you add the standard 8-byte ICMP header and the 20-byte IP header, the total packet size equals exactly 9000 bytes.
If this ping command fails, it indicates that somewhere along the network path between the host (initiator) and the FlashArray (target), a switch port, router, or network interface is not configured to support an MTU of 9000. The packet is being dropped because it is too large and cannot be fragmented. The administrator must verify the MTU settings on every network hop (switches, routers, and host NICs) to resolve the issue.
Here is why the other options are incorrect:
Engage support to enable NVME/ TCP services (A): The failure of a Jumbo Frame ping test is a Layer 2/Layer 3 network configuration issue, not an indicator that the NVMe/TCP storage protocol service is disabled on the array.
Run the command from the target (C): While pinging from the FlashArray back to the host is a valid secondary troubleshooting step, it will likely also fail if the network path doesn't support Jumbo Frames. The actual resolution is to fix the MTU on the network hops.


NEW QUESTION # 59
An on-premises mediator has been deployed. When a pod is stretched and replicating, it is observed that the pod is utilizing the Pure1 Cloud Mediator and not the on-premises mediator.
Why is the on-premises mediator NOT being used by this new pod?

Answer: B

Explanation:
ActiveCluster Mediator Logic: In an ActiveCluster setup, the Mediator is a lightweight component (an "arbiter") that resides at a third site (failure domain). Its job is to break the tie in a "split-brain" scenario (when arrays lose connectivity with each other) to determine which array stays online.
Default Behavior: By default, every FlashArray is configured to use the Pure1 Cloud Mediator. This is a managed service provided by Pure Storage that requires no local infrastructure other than internet access from the array controllers.
On-Premises Mediator Deployment: Organizations that cannot use the Cloud Mediator (due to "dark site" security requirements or lack of reliable internet) can deploy the Pure Storage On-Premises Mediator as a small OVF/VM template.
Configuration at the Pod Level: Simply deploying the On-Premises Mediator VM and connecting the arrays to it at the array level is not enough for existing or new pods to switch automatically. In Purity, the mediator preference is a per-pod attribute.
When a pod is created or stretched, it inherits the default (Cloud).
To use the local mediator, the administrator must explicitly configure the pod to point to the On-Premises Mediator's IP or DNS name. This is done via the CLI using purepod setattr --mediator <address> <pod-name> or through the Pod settings in the GUI.
Why Option C is incorrect: While an A record is necessary for DNS resolution, the prompt implies the mediator is already "deployed" and available. The most common reason it isn't being used is simply that the pod hasn't been told to look there instead of the default Cloud option.


NEW QUESTION # 60
How would a FlashArray administrator view external latency for write requests for a specific volume?

Answer: C

Explanation:
The Analysis Tab: In the Pure Storage FlashArray GUI, the Analysis tab is the primary location for deep-dive performance troubleshooting and historical data visualization. While the Storage tab provides a real-time "at-a-glance" view of a volume, the Analysis tab allows for granular filtering of specific metrics.
Granular Metric Filtering: When troubleshooting latency, it is critical to distinguish between Read and Write operations, as they interact with the Purity operating environment differently (e.g., writes hitting NVRAM vs. reads hitting the Flash modules).
External vs. Internal Latency: Pure Storage differentiates between "Array Latency" (internal processing) and "External Latency" (the time seen by the host). By navigating to Analysis > Performance, an administrator can drill down into the Volumes sub-tab.
Selecting the Volume and Operations: Once a specific volume is selected, the chart typically defaults to a combined view. To isolate "external latency for write requests," the administrator must use the legend/filters to select "Write" while deselecting "Read" and "Mirrored Write" (which refers to synchronous replication traffic in ActiveCluster environments). This provides a clean graph of the round-trip write latency specifically for that volume's host I/O.
Why other options are incorrect: Option B refers to physical port health and hardware status, not volume-level performance. Option C provides basic volume metadata and real-time total latency, but lacks the granular historical filtering (selecting/deselecting specific I/O types) required for detailed performance analysis.


NEW QUESTION # 61
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