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[General] D-PWF-OE-00 Reliable Test Questions & Valid D-PWF-OE-00 Test Questions

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【General】 D-PWF-OE-00 Reliable Test Questions & Valid D-PWF-OE-00 Test Questions

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EMC D-PWF-OE-00 Exam Syllabus Topics:
TopicDetails
Topic 1
  • PowerFlex Upgrades: This domain covers understanding upgrade procedures and executing cluster upgrades to newer software versions.
Topic 2
  • PowerFlex Security: This section addresses security administration through managing user accounts and access privileges, integrating CloudLink for encryption, and configuring system alerting.
Topic 3
  • Protecting PowerFlex Storage: This section covers data protection through snapshot technology for point-in-time copies and volume replication between clusters for disaster recovery.
Topic 4
  • Expanding a PowerFlex Cluster: This domain focuses on cluster expansion and maintenance including using maintenance modes, adding nodes, configuring Storage Data Servers and Meta Data Managers, and understanding PowerFlex integration with APEX.

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EMC Dell PowerFlex Operate Exam Sample Questions (Q47-Q52):NEW QUESTION # 47
What is the minimum bandwidth requirement for replicating volumes between PowerFlex clusters?
  • A. 100 Mbps
  • B. 10 Mbps
  • C. 10 Gbps
  • D. 1 Gbps
Answer: A
Explanation:
* 100 Mbps: While PowerFlex replication is highly efficient and only sends unique data chunks (deltas), the supported minimum reliable bandwidth for a WAN link between clusters is typically 100 Mbps.
* Reasoning: Below this speed, even moderate change rates in a production database would likely cause the replication journal to fill up faster than data can be drained to the remote site. This would lead to a
"Buffer Full" state, causing the replication to pause or the system to lose its Recovery Point Objective (RPO) compliance.

NEW QUESTION # 48
While setting up a PowerFlex cluster, an administrator needs to create a Storage Pool. What tasks must they complete first?
  • A. Configure a Protection Domain
  • B. Validate VLAN configurations
  • C. Assign drives with consistent performance metrics
  • D. Enable Fault Sets for redundancy
Answer: A
Explanation:
This question tests your knowledge of the logical hierarchy in PowerFlex:
System $ightarrow$ Protection Domain $ightarrow$ Storage Pool $ightarrow$ Device (Disk)
$ightarrow$ Volume.
* Configure a Protection Domain (Option A): You cannot create a Storage Pool without a parent entity. The Protection Domain (PD) is the container that isolates a specific group of nodes. Once the PD is created, you create a Storage Pool inside it.
* The Workflow:
* Install SDS software on nodes.
* Create a Protection Domain (e.g., PD_1).
* Add SDS nodes to PD_1.
* Create a Storage Pool (e.g., Pool_SSD) inside PD_1.
* Add devices (drives) to Pool_SSD.
Options B and C are important validation steps, but A is the mandatory structural prerequisite.

NEW QUESTION # 49
What are the prerequisites for creating a Fault Set? (Choose two).
  • A. Predefined Protection Domain
  • B. At least 3 nodes in the cluster
  • C. Enabled deduplication
  • D. Existing Storage Pool
Answer: A,B
Explanation:
Fault Sets are a logical subdivision within a Protection Domain used to increase availability (e.g., ensuring that the three copies of data reside in three different racks).
* Predefined Protection Domain (Option B): Fault Sets exist inside a Protection Domain. You cannot create a Fault Set floating in the void; it must be assigned to a parent Protection Domain.
* At least 3 nodes in the cluster (Option A): PowerFlex uses a mesh-mirroring architecture. To guarantee availability, the system generally requires a minimum of 3 Fault Sets (so that if one fails, the data can be rebuilt to the other two). Since a Fault Set must contain at least one node, this implies a minimum requirement of 3 nodes (one per Fault Set) to utilize the feature effectively.
Note on Option C: You typically define Fault Sets before creating Storage Pools or adding SDSs in a greenfield deployment. If Storage Pools already exist, converting to Fault Sets is complex/restricted, so
"Existing Storage Pool" is not a prerequisite for creating the Fault Set structure itself.

NEW QUESTION # 50
During a PowerFlex deployment, which steps are required to complete resource discovery? (Choose two).
  • A. Configure storage pools for metadata storage
  • B. Assign IP addresses to all nodes
  • C. Validate network connectivity for SDS nodes
  • D. Deploy vSphere for virtualization
Answer: B,C
Explanation:
Resource discovery is the initial phase where PowerFlex Manager (PFxM) or the deployment tool identifies the hardware available to build the cluster.
* Assign IP addresses to all nodes (Option A): For the management system to "find" and communicate with the nodes (via iDRAC or OS agents), valid IP configurations on the management network are essential.
* Validate network connectivity (Option B): Before the software can be successfully deployed, the underlying network (L2/L3) must be verified. This includes ensuring the nodes can ping the Gateway, DNS, and NTP servers, and that the data networks (for SDS-to-SDS traffic) are routed or switched correctly.
Incorrect Options: Storage pools (C) are created after the cluster is deployed. vSphere (D) is not required for
"Resource Discovery" (PowerFlex can be bare metal or other hypervisors).

NEW QUESTION # 51
Which component is reconfigured when expanding metadata storage in PowerFlex?
  • A. Replication Targets
  • B. Fault Sets
  • C. Metadata Managers
  • D. Storage Pools
Answer: C
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 # 52
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