PROFESSIONAL 100% FREE D-PSC-MN-01–100% FREE VALID STUDY QUESTIONS | D-PSC-MN-01 DOWNLOAD FEE

Professional 100% Free D-PSC-MN-01–100% Free Valid Study Questions | D-PSC-MN-01 Download Fee

Professional 100% Free D-PSC-MN-01–100% Free Valid Study Questions | D-PSC-MN-01 Download Fee

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EMC D-PSC-MN-01 Exam Syllabus Topics:

TopicDetails
Topic 1
  • PowerScale Hardware Maintenance: Targeted at system administrators, this section focuses on key tasks involved in maintaining PowerScale hardware. It examines candidates' proficiency in completing initial maintenance steps, preparing nodes for operation, and processing Field Replaceable Unit (FRU) and Customer Replaceable Unit (CRU) requests.
Topic 2
  • PowerScale Hardware Concepts: This part of the exam assesses the expertise of IT infrastructure architects, and emphasizes the ability to differentiate between the architectural elements of PowerScale platforms, understand their specific use cases, and compare design specifications across PowerScale hardware models.
Topic 3
  • PowerScale Hardware Installation: This section evaluates the installation capabilities of hardware engineers to test candidates on their ability to plan and execute the installation of PowerScale hardware, prepare the maintenance site, and adhere to best practices when installing racks, nodes, and related components.
Topic 4
  • PowerScale Implementation: Geared towards cluster administrators, this section covers the practical aspects of implementing PowerScale systems. It focuses on creating new clusters, integrating nodes into existing clusters, and applying alternative configurations or accessories to improve performance.

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EMC Dell PowerScale Maintenance Exam Sample Questions (Q98-Q103):

NEW QUESTION # 98
A company is adding A200 nodes that have 10GigE back-end ports into their existing Dell PowerScale cluster of H500 nodes with 40GigE back-end ports. A platform engineer is asked to install the new nodes.
What is a consideration for the back-end network in a mixed cluster?

  • A. Connecting PowerScale nodes with different back-end speeds to the same back-end switch is only possible if the backend is InfiniBand
  • B. PowerScale nodes with different back-end speeds cannot be connected to the same back-end switch
  • C. Connecting PowerScale nodes with different back-end speeds to the same back-end switch is only supported using breakout cables
  • D. PowerScale nodes with different back-end speeds can connect to the same back-end switch

Answer: D


NEW QUESTION # 99
What type of upgrade on a Dell PowerScale cluster requires the least amount of time?

  • A. Rolling
  • B. Automatic
  • C. Simultaneous
  • D. Parallel

Answer: C

Explanation:
Asimultaneous upgradeon a Dell PowerScale cluster involves upgrading all nodes at the same time. This method requires the least amount of time compared to other upgrade types because it minimizes the total duration by handling the upgrade process concurrently across the entire cluster.
Types of Upgrades:
* Simultaneous Upgrade:
* Definition:All nodes are upgraded at the same time.
* Advantages:
* Fastest upgrade method.
* Reduces total upgrade time significantly.
* Disadvantages:
* Requires cluster downtime; not suitable for environments that need continuous availability.
* Rolling Upgrade:
* Definition:Nodes are upgraded one at a time or in small groups.
* Advantages:
* No cluster downtime; services remain available.
* Disadvantages:
* Takes longer to complete as each node is upgraded sequentially.
* Parallel Upgrade:
* Definition:Nodes are upgraded in parallel batches.
* Advantages:
* Balances upgrade speed and availability.
* Disadvantages:
* May still require some service interruption.
* Automatic Upgrade:
* Definition:The upgrade process is automated but follows the rolling or parallel methodology.
* Advantages:
* Reduces manual intervention.
* Disadvantages:
* Upgrade time depends on the underlying method used (rolling or parallel).
Why Simultaneous Upgrade Requires the Least Amount of Time:
* Concurrent Processing:Upgrading all nodes at once leverages parallelism, drastically reducing the total time needed.
* No Sequential Steps:Eliminates the wait time associated with upgrading nodes one after another.
* Use Case Considerations:Suitable for non-production clusters or environments where downtime is acceptable.
Important Considerations:
* Cluster Downtime:Simultaneous upgrades will render the cluster unavailable during the process.
* Risk Management:Any issues during the upgrade can affect the entire cluster; thorough planning and backups are essential.
References:
* Dell PowerScale OneFS Upgrade Planning and Process Guide- Details on upgrade methods and best practices.
* Dell PowerScale Administration Guide- Instructions and considerations for performing cluster upgrades.
* Best Practices for OneFS Upgrades- Recommendations for selecting the appropriate upgrade method based on environment needs.


NEW QUESTION # 100
A PowerScale customer is planning to expand a Dell EMC PowerScale Gen 5 cluster with H500 nodes.
What is a consideration?

  • A. Minimum of four H500 nodes are needed.
  • B. Only Gen 5 nodes can be added to the cluster.
  • C. Minimum of three Gen 6 nodes are needed.
  • D. Backend is not supported.

Answer: C

Explanation:
When expanding a Dell EMC PowerScale Gen 5 cluster with Gen 6 nodes, such as the H500, certain requirements and considerations must be taken into account.
Key Points:
* Minimum Node Requirement:
* A minimum of three Gen 6 nodes is required to add to an existing Gen 5 cluster.
* This is necessary to form a separate node pool within the cluster that maintains compatibility and optimal performance.
* Compatibility Considerations:
* Gen 6 nodes can be added to a Gen 5 cluster, but they must be added in groups of at least three nodes.
* This ensures that the new nodes can participate fully in the cluster's operations and data protection schemes.
* Node Pools:
* The cluster will have separate node pools for Gen 5 and Gen 6 nodes.
* Data can be moved or balanced between node pools according to policies and performance requirements.
Dell PowerScale References:
* Dell EMC PowerScale OneFS Administration Guide:
* Chapter on Cluster Expansion:
* Discusses adding new nodes to an existing cluster and the requirements for different generations.
* States the minimum number of nodes required when adding Gen 6 nodes to a Gen 5 cluster.
* Dell EMC PowerScale Best Practices Guide:
* Node Compatibility and Mixing:
* Provides guidelines on mixing node generations within a cluster.
* Recommends adding at least three nodes of the new generation.
* Considerations:
* Option Bis incorrect because back-end support is available.
* Option Cis incorrect because Gen 6 nodes can be added to a Gen 5 cluster.
* Option Dis incorrect because the minimum required is three, not four.


NEW QUESTION # 101
A Dell PowerScale platform engineer has executed the shutdown command on a three-node cluster.
The shutdown sequence displays an error and appears unresponsive.
How should the platform engineer address this issue?

  • A. Execute a hardware shutdown by pressing the power button three times within five seconds.
  • B. Remove power cables separately, waiting at least five seconds between removing each of them.
  • C. Contact Dell Technical Support for assistance.
  • D. Hold the power button down until the node completes shutdown.

Answer: C


NEW QUESTION # 102
Which components are considered key Field Replaceable Units (FRUs) in PowerScale nodes?
(Select two)

  • A. Hard drives
  • B. Power supplies
  • C. Network cards
  • D. Cooling fans

Answer: A,B


NEW QUESTION # 103
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