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>> FlashArray-Storage-Professional関連復習問題集 <<
なんで悩んでいるのですか。Pure StorageのFlashArray-Storage-Professional認定試験にどうやって合格するかということを心配していますか。確かに、FlashArray-Storage-Professional認定試験に合格することは困難なことです。しかし、あまりにも心配する必要はありません。試験に準備するとき、適当な方法を利用する限り、楽に試験に合格することができないわけではないです。では、どんな方法が効果的な方法なのかわかっていますか。It-PassportsのFlashArray-Storage-Professional問題集を使用することが最善の方法の一つです。It-Passportsは今まで数え切れないIT認定試験の受験者を助けて、皆さんから高い評判をもらいました。この問題集はあなたの試験の一発合格を保証することができますから、安心に利用してください。
質問 # 32
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?
正解：B
解説：
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.
質問 # 33
A storage administrator is tasked with providing real-time data and alerts to the Network Operations Center (NOC) dashboard.
What source should the information come from to provide real-time data?
正解：C
解説：
To provide true real-time data and alerts directly to a Network Operations Center (NOC) dashboard, the information must be sourced directly from the FlashArray. The FlashArray's Purity operating environment natively supports real-time data streaming and alerting integrations via protocols like Syslog, SNMP traps, and the local REST API. Polling the array directly or configuring it to push alerts guarantees that the NOC receives instantaneous, up-to-the-second notifications regarding array health, hardware faults, and performance metrics.
Here is why the other options are incorrect:
Pure1 (B): While Pure1 is Pure Storage's powerful, cloud-based monitoring and predictive analytics platform, it relies on phone-home telemetry data. This telemetry is batched and transmitted from the array to the Pure1 cloud on a short polling interval (typically a few minutes). Because of this transmission and processing interval, Pure1 provides near-real-time (lagging by a few minutes) and historical data. It is excellent for global fleet management and predictive support, but not for instantaneous, zero-latency NOC alerting.
Pure Performance Monitoring (A): This is a distractor. There is no standalone product or specific protocol in the Pure Storage ecosystem officially named "Pure Performance Monitoring." Performance monitoring is simply a feature accessed via the FlashArray GUI/CLI or the Pure1 platform.
質問 # 34
Which storage protocol is best suited for a Hyper-V cluster in an ethernet-switched environment?
正解：A
解説：
Protocol Compatibility: While NVMe-over-Fabrics (NVMe-oF) is the future of high-performance storage, support for it within specific hypervisor ecosystems varies. In the context of Microsoft Hyper-V, especially in older or standard Ethernet-switched environments, iSCSI remains the most mature, widely supported, and native protocol for block storage.
Ethernet Constraints: The question specifies an Ethernet-switched environment. This immediately rules out NVMe/FC (NVMe over Fibre Channel), as that requires dedicated Fibre Channel switching infrastructure and HBAs, not standard Ethernet.
NVMe/RoCE vs. iSCSI: While NVMe/RoCE (RDMA over Converged Ethernet) runs on Ethernet, it requires specialized NICs (RDMA-capable) and a specific switch configuration (PFC/LFC) to ensure a lossless fabric. Hyper-V has specific requirements for RoCE (often tied to SMB Direct for File services), but for general block storage volumes in a standard Ethernet environment, iSCSI is the "best suited" due to its ease of deployment, native Windows initiator support, and lack of requirement for specialized lossless hardware.
Pure Storage Best Practices: Pure Storage FlashArrays provide industry-leading iSCSI performance. When using iSCSI with Hyper-V, Pure recommends using the native Windows MPIO (Multi-Path I/O) with the "Least Queue Depth" policy to ensure optimal load balancing across the Ethernet fabric.
質問 # 35
A storage administrator needs to determine what actions were taken on the array by the previous shift and is only able to access the FlashArray via CLI.
Which command provides that information?
正解：C
解説：
Understanding the Audit Log: In Purity, accountability and security are maintained through the Audit Log. This log captures every administrative action taken on the array, whether through the GUI, CLI, or REST API. It records who performed the action, what the action was (e.g., volume creation, host deletion), and when it occurred.
The CLI Command: The command pureaudit list is the specific CLI tool used to display these logs. By default, it lists events in chronological order, making it the perfect tool for an administrator to review "shift change" activities.
Command Options: * pureaudit list can be filtered with flags like --user to see actions by a specific admin, or --start-time and --end-time to narrow down the "previous shift" window.
Why Option C is incorrect: puremessage (accessed via puremessage list) is used to view Alerts and Notifications generated by the system (e.g., a failed drive or a high-temperature warning). While it tells you what the array did, it does not track what users did.
Why Option A is incorrect: This is not a valid Purity command syntax. Purity does not use double-dashes to "pipe" or combine independent commands like pureaudit and puremessage in that manner.
質問 # 36
An engineer is tasked by the IT security team to pull audit trail logs from the last month. The engineer navigates to the audit trail section of the FlashArray GUI, but sees the audit trail only contains a maximum of 1000 records.
What step should the engineer take?
正解：A
解説：
Local Array Limitations: The FlashArray GUI and CLI maintain a local buffer for audit logs (which track commands, logins, and configuration changes). However, this local storage is limited in size and record count (typically around 1000 records or a short timeframe) to ensure that logging does not consume excessive system resources on the controllers. Once the limit is reached, older records are overwritten (FIFO - First In, First Out).
Pure1 as the Historical Repository: Pure1 is Pure Storage's cloud-based management and monitoring platform. One of its primary functions is to act as a long-term repository for array data. FlashArrays "phone home" their audit logs to Pure1, where they are indexed and stored for much longer periods (typically up to one year or more, depending on the subscription level).
Auditing in Pure1: By logging into the Pure1 portal, an administrator can navigate to the Audits section. Unlike the local GUI, Pure1 allows users to filter by specific date ranges, specific arrays, and specific users across the entire fleet. This makes it the standard tool for security audits and compliance reporting.
Why Option A and C are incorrect: * Option A: While the CLI is powerful, it still pulls from the same limited local buffer as the GUI. If the record has been overwritten locally, the CLI cannot retrieve it.
Option C: Purity does not typically allow customers to modify "tunables" to increase log storage, as this could impact the stability or performance of the Purity Operating Environment.
質問 # 37
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