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D-PSC-MN-01 New Dumps - New D-PSC-MN-01 Braindumps Questions

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

Topic
Details

Topic 1

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.

Topic 2

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 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 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.

EMC Dell PowerScale Maintenance Exam Sample Questions (Q135-Q140):

NEW QUESTION # 135
A customer has a Dell PowerScale Gen 6 cluster that is using an Ethernet backend. They have Gen 5 nodes and cables from a previous installation. A PowerScale platform engineer is on site. The customer asks the engineer if they can repurpose the Gen 5 equipment on their Gen 6 cluster.
What should the engineer advise the customer?

A. Daisy chain the Gen 5 backend by InfiniBand cables, then plug them directly to the Gen 6 primary node
B. Gen 5 nodes cannot be joined to a cluster with Gen 6 nodes running an Ethernet backend
C. Order new cables with the right connectors
D. An InfiniBand switch must be paired with the Gen 6 back-end Ethernet switches to allow the Gen 5 nodes to join

Answer: B

NEW QUESTION # 136
A client plans to reconnect to a cluster automatically without Interruption.
Which two upgrade methods can be used to complete the upgrade while file service is still available to the client?

A. Parallel upgrades
B. Simultaneous upgrades
C. Rolling upgrades
D. Automated upgrades

Answer: A,C

Explanation:
When a client plans to reconnect to a cluster automatically without interruption, they can useParallel upgradesandRolling upgradesto complete the upgrade while file services remain available.
* Rolling Upgrades:
* Definition:
* A rolling upgrade updates one node at a time while the rest of the cluster continues to serve data.
* Minimizes service disruption by ensuring that clients can continue accessing data during the upgrade.
* Process:
* Nodes are sequentially taken out of service, upgraded, and then returned to the cluster.
* The OneFS operating system ensures data availability through redundant data paths.
* Benefits:
* Provides high availability.
* Ideal for environments where uptime is critical.

NEW QUESTION # 137
An existing PowerScale cluster consists of four A300 and three F600 nodes.
What is the minimum number of nodes an engineer can add to expand both node pools?

A. 2xA300 2xF600
B. txA300 2xF600
C. 3xF600 4xA300
D. 2xA300 1x F600

Answer: D

Explanation:
In a Dell PowerScale cluster that consists of four A300 nodes and three F600 nodes, expanding both node pools requires adding nodes to each pool. The minimum number of nodes an engineer can add to expand both node pools is determined by the following factors:
* Minimum Node Addition:
* PowerScale clusters allow the addition of nodes one at a time to existing node pools.
* However, to maintain balanced performance and capacity, it's recommended to add nodes in pairs or according to specific guidelines for each node type.
* Node Pool Requirements:
* A300 Nodes (Capacity Tier):
* Designed for high-capacity storage needs.
* Adding at leasttwo A300 nodeshelps maintain even data distribution and protection levels.
* F600 Nodes (Performance Tier):
* Designed for high-performance all-flash storage requirements.
* Adding at leastone F600 nodecan expand the performance tier, but adding two would be optimal for balance.
* Minimum Nodes to Expand Both Pools:
* Option Dsuggests adding2xA300 and 1xF600, totalingthree nodes.
* This is the minimum number among the options provided that allows expansion of both node pools.
Why Option D is Correct:
* Meets Minimum Addition Recommendations:
* Adding2xA300 nodesenhances capacity while maintaining data protection schemes like FEC (Forward Error Correction).
* Adding1xF600 nodeincreases performance capacity with minimal investment.
* Ensures Data Protection and Performance:
* Adequate node addition helps in maintaining the cluster's data protection policies and performance characteristics.
References:
* Dell PowerScale OneFS Administration Guide- Guidelines on adding nodes to existing clusters.
* Dell PowerScale Best Practices- Recommendations for node additions and cluster expansions.
* Dell PowerScale Technical Specifications- Details on node types and their roles within a cluster.

NEW QUESTION # 138
How can an administrator verify that a node is successfully shut down?

A. Execute the isi status -q command and see that the node is in a D--- status.
B. Execute the isi status -q command and see that the node is in an A-- status.
C. Verify the LEDs on the front panel are not lit.
D. Try to access a share on the node and verify the share is inaccessible.

Answer: A

NEW QUESTION # 139
In the context of installing a PowerScale rack, what is an essential requirement?

A. Securing the rack doors for controlled access
B. Aligning the rack color with data center standards
C. Confirming the rack's load capacity is sufficient for all planned hardware
D. Ensuring the rack height is compatible with the data center's ceiling

Answer: C

NEW QUESTION # 140
......

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