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| Section | Weight | Objectives |
|---|---|---|
| Monitoring | 20% | - Alert management and reporting - Performance monitoring and analysis - Pure1 monitoring and analytics |
| Administration | 30% | - Volume and host provisioning - System configuration and management - User and access control - Network setup and integration |
| Data Protection | 18% | - Snapshot technology and management - Data encryption and security - Replication and disaster recovery |
| Troubleshooting | 20% | - System error handling and recovery - Upgrade and maintenance procedures - Resolving connectivity problems - Diagnosing performance issues |
| FlashArray Files | 12% | - File system deployment and configuration - File access and sharing - File system management and optimization |
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NEW QUESTION # 42
What should an administrator configure when setting up device-level access control in an NVMe/TCP network?
Answer: B
Explanation:
In any NVMe-based storage fabric (including NVMe/TCP, NVMe/FC, and NVMe/RoCE), the standard method for identifying endpoints and enforcing device-level access control is the NQN (NVMe Qualified Name).
The NQN serves the exact same purpose in the NVMe protocol as an IQN (iSCSI Qualified Name) does in an iSCSI environment, or a WWPN (World Wide Port Name) does in a Fibre Channel environment. It is a unique identifier assigned to both the host (initiator) and the storage array (target subsystem). When setting up access control on a Pure Storage FlashArray, the storage administrator must capture the Host NQN from the operating system and configure a Host object on the array with that specific NQN. This ensures that only the authorized host can discover, connect to, and access its provisioned NVMe namespaces (volumes).
Here is why the other options are incorrect:
VLANs (A): Virtual LANs are used for network-level isolation and segmentation at Layer 2 of the OSI model. While you might use a VLAN to separate your storage traffic from your management traffic, it is a network security measure, not a device-level access control mechanism for the storage protocol itself.
LACP (C): Link Aggregation Control Protocol (LACP) is a network protocol used to bundle multiple physical network links into a single logical link for redundancy and increased bandwidth. It has nothing to do with storage access control or mapping volumes to hosts.
NEW QUESTION # 43
The administrator needs to remove a volume from a ratcheted protection group.
How can this be accomplished?
Answer: A
NEW QUESTION # 44
A FlashArray administrator has created a 1PB volume and wants to resize it to 1TB, but accidentally sets the new size to 1GB.
How can the administrator recover the potentially truncated data?
Answer: B
Explanation:
Purity Safety Mechanism: In Pure Storage Purity, volume resizing-specifically downsizing-is a destructive operation because it can lead to data truncation. To protect against human error (like the one described in the scenario), Purity automatically creates a "pre-resize" snapshot of the volume before the change is committed.
The "Destroyed" Snapshot: When a volume is shrunk, Purity generates a snapshot of the volume in its state immediately before the shrink operation. This snapshot is placed in the Destroyed (or "Pending Eradication") bucket.
Recovery Process: To recover the data, the administrator does not simply "resize back up" (Option C), as the data beyond the 1GB mark may have already been unmapped or treated as truncated by the host file system. Instead, the administrator should locate the auto-generated snapshot in the Destroyed volumes/snapshots section, "recover" it to make it active again, and then either copy that snapshot to a new volume or overwrite the truncated volume from that snapshot.
SafeMode Integration: If SafeMode is enabled, these auto-generated snapshots are even more secure, as they cannot be manually eradicated before the timer expires, ensuring a guaranteed recovery point for accidental shrinks.
Why Option C is incorrect: Increasing the size of a volume back to 1TB (or 1PB) does not automatically restore the data that was logically removed or truncated when the volume was set to 1GB; the host file system would still see the data as corrupted or missing.
NEW QUESTION # 45
A customer with an X50R2 array connected to 110V power is due for an upgrade to the latest controller generation.
What is required to allow this upgrade to proceed?
Answer: C
Explanation:
As Pure Storage has iterated through FlashArray generations (moving from //X R2 to R3, R4, and beyond), the power density and performance capabilities of the controllers have increased significantly. Modern high-performance controllers, such as those found in the //X R4 or //XL series, have strict power requirements that often exceed what a standard 110V/120V (Low-Line) circuit can provide.
To support the higher wattage and current draw of modern CPUs and NVRAM modules, Pure Storage requires 200-240V (High-Line) power for its latest generation controllers. If an existing array is currently running on 110V power, it must be migrated to 220V power outlets before the upgrade can proceed. Attempting to run newer, high-spec controllers on 110V power could lead to power supply instability, insufficient cooling performance, or the controllers failing to boot entirely.
Here is why the other options are incorrect:
Call support to schedule a power supply replacement (A): The issue is not a faulty power supply; it is the external electrical infrastructure's inability to provide the necessary voltage/wattage for the new hardware. Replacing the power supply with the same model would not solve the voltage limitation.
Transition the array to DC power (B): While Pure Storage does offer DC power options for specific telco environments, this is not a standard requirement for a typical controller upgrade. Moving to standard high-line AC power (220V) is the standard prerequisite for data center environments.
NEW QUESTION # 46
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 # 47
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