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| Section | Weight | Objectives |
|---|---|---|
| Monitoring | 20% | - Pure1 and GUI Monitoring
|
| Troubleshooting | 20% | - System Diagnostics
|
| Administration | 30% | - Core FlashArray Administration
|
| FlashArray Files | 12% | - File Services
|
| Data Protection | 18% | - Protection and Recovery
|
>> FlashArray-Storage-Professional Exam <<
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61. Frage
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?
Antwort: C
Begründung:
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.
62. Frage
When is it possible to simulate snapshot policies in the Pure1 Snapshot Policies (SafeMode)?
Antwort: A
Begründung:
In Pure1, the ability to simulate snapshot policies-particularly when assessing the capacity requirements and impact of enabling SafeMode-heavily relies on historical telemetry data. Pure1 uses the data from existing snapshots on the FlashArray to calculate the environment's daily data change rate, as well as the deduplication and compression ratios specific to those workloads.
By analyzing the footprint of existing snapshots, Pure1's analytics engine can accurately project the future storage capacity required if you were to change your snapshot frequency or extend the retention period (for example, locking them down for 7 to 30 days under a SafeMode policy). If a FlashArray does not have any existing snapshots, Pure1 lacks the foundational baseline metrics needed to simulate and forecast the capacity impact of a proposed snapshot policy.
63. Frage
What method is recommended for monitoring an array with 3rd party tools such as Prometheus and SolarWinds?
Antwort: A
Begründung:
Modern Monitoring Standards: Pure Storage has built its management ecosystem around the REST API. While traditional methods like SNMP and Syslog are supported for basic health alerts, the REST API provides the depth of data (granularity) and the performance required for modern observability platforms like Prometheus, SolarWinds, and Grafana.
The Pure Storage Exporter: For tools like Prometheus, Pure Storage provides an official "Pure Exporter." This exporter acts as a bridge; it queries the FlashArray via the REST API to gather real-time metrics (latency, bandwidth, IOPS, capacity) and converts them into the format Prometheus understands.
SolarWinds Integration: SolarWinds utilizes the Pure Storage REST API to pull performance and health data into its storage monitoring modules. This allows for deep-dive historical analysis that exceeds the capabilities of simple SNMP traps.
Why SMI-S (Option B) is incorrect: SMI-S (Storage Management Initiative Specification) is a legacy industry standard that is largely deprecated in favor of RESTful interfaces. Pure Storage does not focus on SMI-S for modern third-party tool integration.
Why SYSLOG (Option C) is incorrect: Syslog is excellent for Event Logging (e.g., "User Logged In," "Volume Deleted"), but it is a poor choice for Performance Monitoring. You cannot effectively graph IOPS or bandwidth trends using Syslog streams alone.
64. Frage
An administrator needs to enable Remote Assist (RA) on Purity version 6.8.4 to facilitate remote troubleshooting. Due to security restrictions, only certain commands can be executed on the array.
What type of access should the administrator grant when enabling RA?
Antwort: B
Begründung:
Remote Assist (RA) Overview: Remote Assist is a secure, customer-initiated tunnel that allows Pure Storage Technical Support Engineers (TSEs) to log into a FlashArray to perform diagnostics and maintenance. It is disabled by default and must be explicitly opened by the customer.
Access Modes in Purity: In modern Purity versions (like 6.8.4), Pure Storage has introduced granular access controls for these support sessions to satisfy enterprise security and compliance requirements (such as SOC2 or HIPAA).
Restricted Access: This mode is specifically designed for high-security environments. When RA is enabled with the Restricted flag, the Support Engineer is limited to a pre-defined subset of non-destructive, read-only, or diagnostic commands. They cannot perform major configuration changes, delete data, or access sensitive metadata without further authorization.
Elevated vs. Secured: * Elevated access (often used during emergency recovery) provides the TSE with broader permissions, including the ability to run system-level scripts and configuration commands that go beyond standard diagnostics.
Secured is often a baseline state but does not imply the specific command-level filtering that "Restricted" does.
Security Best Practice: If a security team mandates that "only certain commands can be executed," Restricted is the correct administrative choice. This ensures that the principle of least privilege is applied even to the vendor's support staff.
65. Frage
An ActiveCluster (AC) FlashArray pair lost connectivity with each other over the replication network. When the pod failover occurred, a single volume in the stretched pod lost connectivity to its host while other volumes in the stretched pod remained available to the host.
What is the most likely cause of the loss of stretched volume connectivity from the host?
Antwort: B
Begründung:
ActiveCluster Connectivity Models: In an ActiveCluster environment, hosts can connect to the arrays using either a Uniform or Non-Uniform access model. In a Uniform model, the host has active paths to both FlashArrays in the cluster.
The Failover Scenario: When the replication network between the two arrays fails (a "split-brain" scenario), the Mediator decides which array keeps the pod online (the winner) and which array takes it offline (the loser) to ensure data consistency.
Analyzing the Symptoms:
The pod failed over, meaning one array is now the exclusive servicer for that pod.
Most volumes in that pod stayed online for the host. This proves that the host is correctly registered in Purity (ruling out Option C) and that the general ActiveCluster/Pod logic is functioning.
Only one specific volume lost connectivity.
The Root Cause (Zoning/Access): If a single volume loses connectivity while others do not, it indicates a pathing issue specific to that volume's visibility. In an ActiveCluster failover, if the "winning" array does not have a physical path to the host for that specific volume (due to missing FC Zoning or Ethernet VLAN tagging on the switches), the host will lose access once the "losing" array drops its paths.
Why Option A is unlikely: If "Uniform access" (the ability to see both arrays) was the issue, it would typically affect all volumes in the pod equally during a failover, not just a single outlier. The fact that the rest of the volumes remained available suggests the host is configured for uniform access, but the specific network plumbing (zoning) for that one volume's path to the surviving array is missing.
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66. Frage
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