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>> Reliable Pure Storage FlashArray-Storage-Professional Dumps Ppt <<
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NEW QUESTION # 24
The SNMP protocol can be used to monitor what statistics of the array's performance?
Answer: A
Explanation:
SNMP Capabilities on FlashArray: Pure Storage FlashArrays support SNMP (Simple Network Management Protocol) versions v2c and v3. The primary use case for SNMP on the FlashArray is for integration with third-party monitoring tools (like SolarWinds, Nagios, or Zabbix) to provide a real-time health and performance heartbeat.
Performance Metrics (MIBs): The Pure Storage Management Information Base (MIB) specifically exposes high-level array performance metrics. These include the "Big Three" of storage performance: Latency (response time in microseconds), Bandwidth (throughput in bytes per second), and IOPS (I/O operations per second).
Scope of Monitoring: While the FlashArray GUI and CLI provide deep granularity (per host, per volume, or per pod), standard SNMP queries typically focus on array-wide performance and health status. Detailed "Host and volume performance" (Option B) is generally more effectively monitored via the Pure Storage REST API or the Pure1 VM Analytics, as SNMP is less efficient for pulling large tables of per-object data.
Capacity vs. Performance: While SNMP can report on capacity (Option C) through specific OIDs, the question specifically asks about performance statistics. In the context of Pure Storage monitoring documentation, the core performance metrics provided via SNMP traps and polling are latency, bandwidth, and IOPS.
NEW QUESTION # 25
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: B
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 # 26
Which FA File Directory Services statement is correct?
Answer: A
Explanation:
Interface Separation: Pure Storage FlashArrays distinguish between Management traffic (used for the GUI, CLI, and Pure1 connectivity) and Data traffic (used for host connectivity). Within the data path, File Service Interfaces are the logical interfaces assigned to handle NFS and SMB traffic.
Directory Service Communication: For FA File to function, it must communicate with external identity providers (like Microsoft Active Directory or OpenLDAP) to authenticate users and resolve permissions.
The Default Path: By design, Purity prioritizes the File Service Interfaces for these lookups. This is because the directory servers (Domain Controllers) are typically located on the same production/data network as the clients accessing the files. Using the File Service Interface ensures that authentication traffic follows the same network path and security rules as the data traffic itself.
Why Option B is incorrect: While the array management plane can use the management interfaces for its own administrative LDAP/SAML logins, the File Services component defaults to the data-path (File) interfaces to avoid "crossing the streams" between management and production data networks.
Why Option C is incorrect: Purity is very specific about its routing tables. It does not blindly use "all" interfaces for DNS/Directory services. If a File Service interface is configured and active, it becomes the primary egress point for file-related metadata and authentication requests.
NEW QUESTION # 27
Where can a snapshot be copied out to?
Answer: A
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 # 28
What is the purpose of a Protocol Endpoint volume?
Answer: A
Explanation:
In a VMware vSphere environment utilizing Virtual Volumes (vVols), a Protocol Endpoint (PE) acts as a crucial logical proxy or I/O access point between the ESXi hosts and the storage array.
Unlike traditional VMFS datastores where the host mounts a massive LUN and places all VM files inside it, vVols map individual virtual machine disks directly to native volumes on the FlashArray. Because a single ESXi host could potentially need to communicate with thousands of individual vVol volumes, it would be extremely inefficient to map every single one directly to the host. Instead, the ESXi host mounts the Protocol Endpoint, and the storage array uses this PE to dynamically route the I/O to the correct underlying vVol. On a Pure Storage FlashArray, creating and connecting a PE volume to your ESXi host groups is a mandatory prerequisite for setting up a vVol datastore.
Here is why the other options are incorrect:
It allows for volumes of the same name within host groups (A): Purity OS requires all volume names across the entire FlashArray to be completely unique, regardless of which host group they are connected to or whether a Protocol Endpoint is in use.
It is required to set Host Protocol (C): The host communication protocol (such as iSCSI, Fibre Channel, or NVMe-oF) is determined by the physical host bus adapters (HBAs), network interface cards (NICs), and the configuration of the Host object in Purity, not by the creation of a volume type like a PE.
NEW QUESTION # 29
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