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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: FlashArray Files | 12% | - File Services
|
| Topic 2: Administration | 30% | - Core FlashArray Administration
|
| Topic 3: Troubleshooting | 20% | - System Diagnostics
|
| Topic 4: Data Protection | 18% | - Protection and Recovery
|
| Topic 5: Monitoring | 20% | - Pure1 and GUI Monitoring
|
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질문 # 28
What is the purpose of a Protocol Endpoint volume?
정답：A
설명：
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.
질문 # 29
Where can a snapshot be copied out to?
정답：B
설명：
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.
질문 # 30
How are in-progress asynchronous snapshot transfers monitored from the UI?
정답：A
설명：
According to official Pure Storage documentation regarding Asynchronous Replication management, while replication throughput (bandwidth) can be viewed globally on the Analysis tab, the actual replication status for in-progress snapshot transfers is tracked and monitored on the replication target.
To monitor an in-progress asynchronous transfer from the GUI, a storage administrator must log into the target FlashArray, navigate to Storage -> Protection Groups, and look at the Transfers section within the Protection Group Snapshots panel. This view explicitly details the time the replicated snapshot was created on the source, the time the transfer started, and the current progress of the snapshot being received. If a transfer is currently in-progress, the "Completed" column will remain blank until the snapshot is fully safely written to the target array.
Here is why the other options are incorrect:
From the replication source (C): While the source orchestrates the creation of the snapshot and initiates the data push, the granular transfer completion status and historical transfer logs of the incoming snapshots are tracked on the target's Protection Group interface.
From the either the replication source or target (B): Because the specific "Transfers" tracking panel for asynchronous protection group snapshots is located on the receiving end (target), monitoring the granular completion status cannot be done symmetrically from either side in the UI.
질문 # 31
What is the proper procedure for stopping asynchronous replication and in-progress transfers?
정답：A
설명：
According to the official Pure Storage FlashArray Asynchronous Replication Configuration and Best Practices Guide, the proper and immediate method to halt an active, in-progress asynchronous replication transfer is by disallowing the protection group at the target.
When you navigate to the target FlashArray and disallow the specific Protection Group, Purity immediately breaks the replication authorization for that group. If there is an in-progress snapshot transfer occurring at that exact moment, the transfer is immediately stopped, and the partially transferred snapshot data is discarded on the target side.
Here is why the other options are incorrect:
Disabling the replication schedule (B): Toggling the replication schedule to "Disabled" only prevents future scheduled snapshots from being created and sent. It does not kill or interrupt a replication transfer that is already currently in progress.
Removing the volume member from a protection group (A): Modifying the members of a protection group updates the configuration for the next snapshot cycle. It does not actively abort the transmission of the current point-in-time snapshot that the array is already busy sending over the WAN.
질문 # 32
If an NFS client can mount the FA File export shares with the IP address, but not the fully qualified domain name, what is most likely causing the issue?
정답：A
설명：
When an NFS client successfully mounts an export using the target's IP address, it proves that the fundamental network connectivity (routing, firewalls) and the storage protocol layer (NFS export policies, host access permissions) are functioning correctly.
However, if the exact same mount attempt fails when using the Fully Qualified Domain Name (FQDN) of the FlashArray file service, the issue lies entirely with name resolution. The Domain Name System (DNS) is responsible for translating human-readable FQDNs into the IP addresses required for network communication. If the client cannot reach the DNS server, or if the DNS server lacks the correct A or AAAA records for the FlashArray's file Virtual IP (VIP) addresses, the client won't be able to resolve the name to the IP, causing the mount command to fail.
Here is why the other options are incorrect:
Issue with the Active Directory (AD) controller (A): Active Directory is primarily used for directory services, user authentication, and authorization (such as mapping permissions for SMB or NFSv4). While AD environments usually include DNS, an "AD controller issue" in the context of storage protocols usually points to permission denials, not host name resolution failures. Furthermore, since the mount works via IP, basic access is already validated.
Issue with the OpenLDAP (C): Similar to AD, OpenLDAP provides directory services for user mappings (UID/GID) and authentication. It does not perform FQDN-to-IP resolution.
질문 # 33
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