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>> Pure Storage FlashArray-Storage-Professional Cert <<
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NEW QUESTION # 50
Which command provides the negotiated port speed of an ethernet port?
Answer: A
Explanation:
On a Pure Storage FlashArray, Ethernet ports operate at both a physical hardware layer and a logical network configuration layer. If you need to verify the actual physical negotiated port speed of an Ethernet port (for example, verifying if a 25GbE port negotiated down to 10GbE due to switch configurations or cable limitations), you must query the hardware layer directly.
The command purehw list --all --type eth interacts directly with the physical NIC hardware components to report their true link status, health, and dynamically negotiated hardware link speed.
Here is why the other options are incorrect:
purenetwork eth list -- all (B): The purenetwork command suite is primarily focused on the logical Layer 2/Layer 3 networking stack. It is used to configure and list IP addresses, subnet masks, MTU sizes (Jumbo Frames), and routing, rather than focusing on the physical hardware negotiation details of the NIC itself.
pureport list (A): The pureport command suite is specifically used for managing and viewing storage protocol target ports. An administrator would use this to list the array's Fibre Channel WWNs or iSCSI IQNs to configure host zoning or initiator connections, not to verify Ethernet link negotiation speeds.
NEW QUESTION # 51
In reviewing space metrics via the Pure Management GUI, a storage manager notices the total reduction rate is much higher than the Data Reduction Rate (DRR).
What is the reason for this?
Answer: B
Explanation:
Understanding Data Reduction Rate (DRR): DRR is a measure of the effectiveness of Purity's deduplication and compression algorithms. It compares the amount of data written by the host to the amount of physical space actually occupied on the flash media after these processes have occurred.
Calculation: $\text{DRR} = (\text{Deduplication} \times \text{Compression})$.
Understanding Total Reduction: The Total Reduction metric is a broader "efficiency" value. It represents the ratio of the Total Provisioned (logical) space to the Physical space used.
The "Thin Provisioning" Factor: The primary difference between these two numbers is Thin Provisioning.
FlashArrays are 100% thin-provisioned by default. If a customer creates a 100TB volume but the host only writes 1TB of data, the "Total Reduction" will be massive because it counts all that unwritten, "virtual" space as "saved." The DRR, however, only looks at the 1TB that was actually written and calculates how well it was compressed and deduped.
Why Option C is incorrect: Both metrics generally account for the efficiency of snapshots. However, snapshots contribute to DRR through deduplication (since they share blocks with the source volume). The massive gap between DRR and Total Reduction is almost always mathematically attributed to the "unwritten" space provided by thin provisioning.
Key Takeaway: If your DRR is 5-to-1 but your Total Reduction is 50-to-1, it means your data is compressing/deduping well, but you have also provisioned a significant amount of volume space that hasn't been written to yet.
NEW QUESTION # 52
Which of the following statements regarding REST APIv1 and REST APIv2 is true?
Answer: B
Explanation:
API Evolution: Pure Storage introduced REST API 2.x to provide a more scalable, standardized, and performant way to automate FlashArray management. It uses a different authentication method (OAuth2 with API Clients) compared to the API Token-based method in 1.x.
Feature Freeze on 1.x: As of Purity 6.x and beyond, Pure Storage has designated REST API 1.x as "Legacy." While 1.x is still supported for backward compatibility to ensure older scripts don't break, all new Purity features (such as specialized ActiveDR commands, advanced File Services, or new hardware capabilities) are only developed and exposed via REST API 2.x.
Side-by-Side Support: Contrary to option C, both versions are supported side-by-side on the same array. An administrator can run a script using 1.x for volume creation and another script using 2.x for performance monitoring simultaneously without contacting support.
Feature Parity: REST API 2.x has long since reached and exceeded the capabilities of 1.x. It offers improved filtering, pagination, and a more consistent object model (e.g., /volumes instead of multiple nested endpoints).
Best Practice: Pure Storage strongly recommends that all new automation projects use REST API 2.x to ensure access to the full suite of Purity features and to future-proof infrastructure-as-code (IaC) workflows.
NEW QUESTION # 53
An administrator wants to upgrade an Edge Services agent and sees the Gateway Update Status in the GUI showing "Eligible (updates disallowed)".
What should the administrator do?
Answer: A
Explanation:
Edge Services and Gateways: Pure Storage FlashArray uses Edge Services (often associated with FA File or cloud integrations) to manage communication between the array and external services. The Gateway is the component that facilitates this secure connection.
Update Policy Control: To prevent unplanned outages or changes to the environment, Purity includes a safety toggle for Gateway updates. When the status shows "Eligible (updates disallowed)", it means a newer version of the agent is available on the Pure Storage back-end, but the array's local policy is currently set to prevent automatic or manual "one-click" updates.
GUI Authorization: This is a security and administrative control. An administrator with Array Admin privileges must navigate to the Edge Services/Gateway configuration section in the Purity GUI and explicitly change the setting to "Allow Updates". Once this toggle is enabled, the status will change to "Eligible," and the update can be initiated.
Why Option A is incorrect: While the CLI is used for many advanced support functions, the puresupport namespace is generally reserved for Pure Storage Support technicians and requires a challenge-response session key. Standard agent updates are handled via the administrative GUI.
Why Option B is incorrect: Removing and re-installing the agent is an unnecessary and disruptive process. The "disallowed" status is simply a policy setting, not a corruption of the agent itself.
NEW QUESTION # 54
An administrator is attempting to add a volume to a volume group but it does not show up in the list of volumes available to move in, even though it does show up in the volumes pane.
Why is the volume missing?
Answer: B
Explanation:
In the Pure Storage Purity operating environment, a volume can only be a member of one Volume Group at a time.
When an administrator navigates to a Volume Group in the GUI and clicks to add members, the system filters the inventory and only displays volumes that are currently "unassigned" (not belonging to any Volume Group). If a volume is already residing inside another Volume Group, Purity intentionally hides it from this available list to prevent conflicting overlapping memberships. To resolve this, the administrator must first navigate to the volume's current Volume Group, remove the volume from that group, and then it will become available to add to the new one.
Here is why the other options are incorrect:
It is already part of a Protection Group (B): Protection Groups (pgroups) manage snapshot and replication schedules. A volume can absolutely be a standalone member of a Protection Group while simultaneously being added to a Volume Group. Being in a pgroup does not hide it from the vgroup selection list.
It is protected by SafeMode (C): SafeMode is a ransomware protection feature that prevents the manual eradication of destroyed volumes and snapshots before their retention timer expires. It does not dictate or restrict logical organizational containers like Volume Groups.
NEW QUESTION # 55
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