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EMC Dell PowerFlex Operate Exam Sample Questions (Q13-Q18):

NEW QUESTION # 13
What are the key benefits of a PowerFlex cluster upgrade? (Choose two).

A. Reduced metadata storage requirements
B. Automatic data deduplication
C. Enhanced compatibility with new workloads
D. Improved cluster performance

Answer: C,D

Explanation:
Upgrading the PowerFlex software code (e.g., from v3.6 to v4.5) brings tangible benefits.
* Improved cluster performance (Option A): Dell engineering teams constantly optimize the I/O path, reduce latency, and improve the efficiency of the rebuild/rebalance algorithms. A software upgrade often yields higher IOPS from the exact same hardware.
* Enhanced compatibility (Option C): New versions introduce support for newer Operating Systems (e.
g., RHEL 9, Windows Server 2022), newer Hypervisors (latest ESXi), and new hardware technologies (like newer NVMe drives or 100GbE NICs).
Incorrect Options: Upgrade does not automatically turn on deduplication (B) if it wasn't there (that requires pool configuration). It typically increases metadata requirements (D) slightly rather than reducing them, as features become more complex.

NEW QUESTION # 14
Which component is reconfigured when expanding metadata storage in PowerFlex?

A. Replication Targets
B. Metadata Managers
C. Storage Pools
D. Fault Sets

Answer: B

Explanation:
Metadata in PowerFlex is not stored in the general user Storage Pools; it is managed and stored by the Metadata Manager (MDM) cluster.
When a PowerFlex cluster grows significantly (e.g., increasing from 1000 to 100,000 volumes, or adding hundreds of nodes), the metadata usage increases.
* Expanding Metadata Capabilities: You do not "expand" a metadata pool like you do a storage pool.
Instead, you might reconfigure the MDM Cluster itself. This could involve moving from a 3-node MDM cluster to a 5-node MDM cluster to distribute the processing load, or replacing the MDM nodes with hardware possessing larger RAM and faster CPUs.
Therefore, the component being reconfigured to handle this growth is the Metadata Manager (MDM).

NEW QUESTION # 15
What is the default state of snapshots created in PowerFlex?

A. Read-only
B. Archived
C. Active
D. Editable

Answer: D

Explanation:
* Editable (Writable): Unlike many traditional storage arrays where a snapshot is a read-only frozen image requiring a "clone" to become writable, PowerFlex snapshots are fully writable volumes by default.
* Behavior: Immediately upon creation, a snapshot is mapped as a volume. You can mount it to a host, write new data to it, delete files from it, or format it, without affecting the source parent volume (due to the Redirect-on-Write architecture).

NEW QUESTION # 16
What are the benefits of using snapshots in PowerFlex? (Choose two).

A. Minimize storage capacity usage
B. Create a point-in-time copy of data
C. Enable quick data recovery
D. Reduce fault tolerance across clusters

Answer: B,C

Explanation:
* Enable quick data recovery (Option A): Snapshots provide a "rewind" button. If a database is corrupted or a file is accidentally deleted at 2:00 PM, an administrator can instantly restore the volume to the state captured in the 1:00 PM snapshot.
* Create a point-in-time copy of data (Option D): This is the definition of a snapshot. It freezes the view of the data at a specific second. This is crucial for backups (backup software backs up the static snapshot while the production application continues to write to the live volume) or for creating test/dev clones of production data.

NEW QUESTION # 17
PowerFlex upgrades require all nodes to be in Maintenance Mode. True. False.

A. True
B. False

Answer: A,B

Explanation:
PowerFlex is designed for Non-Disruptive Upgrades (NDU). Requiring all nodes to be in maintenance mode simultaneously would cause a complete cluster outage (Data Unavailable), which defeats the purpose of the architecture.
The upgrade process is rolling.
* Node 1 enters Maintenance Mode (data is safe on other nodes).
* Node 1 is upgraded and rebooted.
* Node 1 rejoins the cluster and syncs data.
* The system moves to Node 2.
At no point is the entire cluster in maintenance mode. The cluster remains online and serves I/O throughout the entire process.

NEW QUESTION # 18
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Latest EMC D-PWF-OE-00 Dumps Questions | Exam D-PWF-OE-00 Introduction

Exam D-PWF-OE-00 Introduction, Exam D-PWF-OE-00 Reference

EMC Dell PowerFlex Operate Exam Sample Questions (Q13-Q18):

First-Grade Latest D-PWF-OE-00 Dumps Questions | Easy To Study and Pass Exam at first attempt & Top EMC Dell PowerFlex Operate Exam

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