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Eliminates confusion while taking the Pure Storage FlashArray-Storage-Professional certification exam. Prepares you for the format of your Pure Storage FlashArray-Storage-Professional exam dumps, including multiple-choice questions and fill-in-the-blank answers. Comprehensive, up-to-date coverage of the entire Pure Storage FlashArray-Storage-Professional Certification curriculum.
| Section | Weight | Objectives |
|---|---|---|
| Data Protection | 18% | - Protection and Recovery
|
| Troubleshooting | 20% | - System Diagnostics
|
| Monitoring | 20% | - Pure1 and GUI Monitoring
|
| FlashArray Files | 12% | - File Services
|
| Administration | 30% | - Core FlashArray Administration
|
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NEW QUESTION # 24
What is the Pure Storage recommended Maximum Transmission Unit (MTU) size for the replication ports on a FlashArray?
Answer: C
Explanation:
Understanding MTU: The Maximum Transmission Unit (MTU) defines the largest size of a packet or frame that can be sent in a single network transaction. The standard Ethernet MTU is 1500 bytes. Anything larger than 1500 bytes is referred to as a Jumbo Frame.
Replication Efficiency: Replication involves moving large amounts of data between arrays. Using standard 1500-byte frames results in higher overhead because the CPU must process a larger number of headers for the same amount of data. By increasing the MTU, the FlashArray can pack more data into each frame, reducing CPU interrupts and improving overall throughput.
The Pure Recommendation: Pure Storage specifically recommends an MTU of 9000 for both iSCSI and Replication traffic. This is the industry standard for Jumbo Frames that balances efficiency with compatibility across most enterprise-grade switches.
Configuration Requirements: It is critical to remember that MTU must be configured end-to-end. For an MTU of 9000 to work on the replication ports:
The FlashArray replication ports must be set to 9000.
The network switches along the path (and any routers/ISLs) must support and be configured for at least 9000.
The target array's replication ports must also be set to 9000.
Why 9216 (Option A) is incorrect: While some switches support a "Baby Giant" or slightly larger MTU like 9216 to account for VLAN tagging overhead, Pure's internal and best practice documentation specifically points to 9000 as the standard setting for the array's interface.
NEW QUESTION # 25
What is the purpose of a Protocol Endpoint volume?
Answer: C
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 # 26
What FA File user authentication statement is correct?
Answer: B
Explanation:
Supported Directory Services: Pure Storage FlashArray File Services (FA File) is designed to integrate seamlessly into existing enterprise identity infrastructures. To manage file permissions (SMB ACLs and NFS POSIX/NFSv4 permissions), Purity supports joining the array to a directory service.
Active Directory (AD): This is the most common integration for FA File, specifically for SMB environments. Purity allows the array to join an AD Domain, creating a computer account and enabling the resolution of SIDs to usernames.
OpenLDAP: For Linux/Unix-heavy environments using NFS, Purity supports OpenLDAP. This allows the array to look up UID/GID information and group memberships to enforce security across the file system.
Authentication vs. Management: It is important to distinguish between Data Access (FA File) and Management Access (GUI/CLI login).
FA File (Data Access): Uses AD and OpenLDAP to authorize users accessing shares/exports.
Management (GUI/CLI): Uses SAML (Option C) or LDAP for Single Sign-On (SSO) (Option B) to allow administrators to log into the array.
The "Either/Or" Logic: While a FlashArray can be configured with multiple directory services, for a specific File System/Export mapping, the system relies on the primary identity provider configured-either Microsoft AD or an LDAP-compliant service like OpenLDAP-to validate the users' identity.
NEW QUESTION # 27
The SNMP protocol can be used to monitor what statistics of the array's performance?
Answer: C
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 # 28
How is SAN Time measured?
Answer: C
Explanation:
Understanding Total Latency: In a FlashArray environment, total latency as seen by the host application is the sum of several components. Pure Storage breaks this down into Array Time and SAN Time to help administrators pinpoint where performance bottlenecks exist.
SAN Time Definition: SAN Time represents the latency introduced by the network infrastructure between the host (initiator) and the FlashArray (target). This includes the time spent traveling across Fibre Channel or Ethernet switches, cables, and host bus adapters (HBAs). It is calculated by taking the total round-trip time measured by the host and subtracting the time the FlashArray spent processing the I/O.
Metric Breakdown: * Array Time: The time the FlashArray takes to process the I/O once it hits the front-end ports (Option C describes internal array time).
SAN Time: The transit time for the request to reach the array and the response to return to the host (Option A).
Wait Time: In ActiveCluster environments, there is also "Mirror Latency," which is the time spent synchronizing data to a peer array (Option B).
Troubleshooting Value: If a user reports high latency but the FlashArray GUI shows very low Array Time, the administrator can look at the SAN Time metric. A high SAN Time indicates an issue with the fabric, such as a failing SFP, a congested switch port, or oversubscribed ISLs (Inter-Switch Links).
NEW QUESTION # 29
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