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| Certification Vendor: | Pure Storage |
|---|---|
| Exam Name: | Pure Certified FlashArray Storage Professional Exam |
| Exam Number: | FlashArray-Storage-Professional |
| Certificate Validity Period: | 2 years |
| Passing Score: | 70% |
| Available Languages: | English |
| Exam Format: | Multiple Choice (single/multiple correct answers) |
| Related Certifications: | Pure Certified FlashArray Architect Professional Pure Certified FlashArray Implementation Professional |
| Exam Price: | $129 USD |
| Real Exam Qty: | 60-75 |
| Exam Duration: | 120 minutes |
| Recommended Training: | Pure Academy - FlashArray Storage Professional Prep |
| Exam Registration: | Pure Storage Certification Portal ExamStudio Registration |
| Sample Questions: | Pure Storage FlashArray-Storage-Professional Sample Questions |
| Exam Way: | Online proctored or onsite at authorized test centers |
| Pre Condition: | Recommended: 12–24 months of experience with Pure Storage FlashArray systems; no mandatory prerequisite exam |
| Official Syllabus URL: | https://www.purestorage.com/services/certifications/flasharray-storage-professional.html |
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問題 #41
During testing of an NFS share, the administrator notes that they are able to mount the share as root but are not able to access files as root.
Where is the incorrect setting causing the issue located?
答案：C
解題說明：
The Concept of Root Squash: In the world of NFS, "Root Squashing" is a fundamental security feature. By default, most modern storage systems (including FlashArray File Services) do not trust the "root" user of a remote client. This prevents a user with administrative access on a random laptop or server from gaining full administrative control over the files on the central storage.
Mounting vs. Accessing:
Mounting: This is the process of attaching the remote export to the local file system. If the Export Policy allows the client IP to connect, the mount will succeed.
Accessing: Once mounted, the array evaluates the identity of the user. If Root Squash is enabled, the array "squashes" the root user (UID 0) and maps it to a non-privileged user (usually nobody or anonymous). Consequently, the client's root user loses their administrative permissions when trying to read/write files.
The Export Policy Setting: The behavior described (able to mount but permission denied for files as root) is almost always caused by the User ID Mapping or Access rules within the Export Policy.
To resolve this, an administrator must edit the specific rule in the Export Policy and enable "No Root Squash" (or change the mapping to allow root access). This tells the FlashArray to honor the client's root identity.
Why Options A and B are incorrect:
Managed Directory: This is where you set the directory structure and quotas, but it doesn't control the protocol-level identity mapping.
File System: While a file system has underlying permissions, if the mount is successful but specifically blocks the root user, the "gatekeeper" is the Export Policy rule.
問題 #42
What FA File user authentication statement is correct?
答案：A
解題說明：
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.
問題 #43
What method is recommended for monitoring an array with 3rd party tools such as Prometheus and SolarWinds?
答案：A
解題說明：
Modern Monitoring Standards: Pure Storage has built its management ecosystem around the REST API. While traditional methods like SNMP and Syslog are supported for basic health alerts, the REST API provides the depth of data (granularity) and the performance required for modern observability platforms like Prometheus, SolarWinds, and Grafana.
The Pure Storage Exporter: For tools like Prometheus, Pure Storage provides an official "Pure Exporter." This exporter acts as a bridge; it queries the FlashArray via the REST API to gather real-time metrics (latency, bandwidth, IOPS, capacity) and converts them into the format Prometheus understands.
SolarWinds Integration: SolarWinds utilizes the Pure Storage REST API to pull performance and health data into its storage monitoring modules. This allows for deep-dive historical analysis that exceeds the capabilities of simple SNMP traps.
Why SMI-S (Option B) is incorrect: SMI-S (Storage Management Initiative Specification) is a legacy industry standard that is largely deprecated in favor of RESTful interfaces. Pure Storage does not focus on SMI-S for modern third-party tool integration.
Why SYSLOG (Option C) is incorrect: Syslog is excellent for Event Logging (e.g., "User Logged In," "Volume Deleted"), but it is a poor choice for Performance Monitoring. You cannot effectively graph IOPS or bandwidth trends using Syslog streams alone.
問題 #44
During a test failover using ActiveDR, what content will be presented to the target pod?
答案：B
解題說明：
ActiveDR is Pure Storage's continuous, near-sync replication solution. It differs fundamentally from standard asynchronous replication because it uses a continuous stream of data rather than snapshot-based "periodic refreshes" (which eliminates Option A).
When you perform a test failover in ActiveDR, you do so by promoting the target pod. The target pod becomes writable, allowing your hosts and applications to run against the replicated data without disrupting the ongoing continuous replication from the source array in the background.
When the test is completed, you demote the target pod. To ensure that the data generated during your test failover isn't accidentally lost forever, ActiveDR automatically creates an undo pod at the exact moment of demotion.
If you need to resume that exact test failover scenario or recover the test data, you can re-promote the target pod and instruct ActiveDR to present the content from the undo pod. This unique mechanism allows storage administrators to seamlessly non-disruptively test, pause, and resume DR environments without affecting production protection.
問題 #45
What is the recommended Maximum Transmission Unit (MTU) size for the replication ports on a FlashArray?
答案：C
解題說明：
Pure Storage strongly recommends an MTU size of 9000 (Jumbo Frames) for replication networks-such as those used for Asynchronous Replication, ActiveCluster, and ActiveDR-as well as for iSCSI and NVMe/TCP data networks.
A 9000-byte MTU significantly reduces protocol overhead and CPU processing load on the storage controllers by allowing a much larger payload of data to be transmitted inside a single network packet. During heavy replication, this drastically increases throughput and maximizes bandwidth efficiency.
Here is why the other options are incorrect:
1500 (B): While 1500 bytes is the standard default MTU for Ethernet and is exactly what Pure Storage recommends for the management ports (vir0), it is not the recommended optimization for high-throughput replication traffic. (Note: If your network cannot support 9000 end-to-end, 1500 must be used to prevent packet fragmentation, but 9000 remains the best-practice recommendation).
4200 (A): This is an arbitrary number and is not a standard network MTU size used in Pure Storage environments.
問題 #46
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