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D-PSC-MN-01 Simulations Pdf, Test D-PSC-MN-01 Cram Pdf
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| Topic |
Details |
| Topic 1 |
- 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.
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| Topic 2 |
- 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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| 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.
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| Topic 4 |
- 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.
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EMC Dell PowerScale Maintenance Exam Sample Questions (Q138-Q143):
NEW QUESTION # 138
What preparatory action is necessary to facilitate effective troubleshooting during and after PowerScale rack installation?
- A. Creating a detailed network diagram
- B. Ensuring all tools and spare components are available on-site
- C. Photographing each phase of the installation for reference
- D. Setting up a temporary command center near the rack
Answer: C
NEW QUESTION # 139
A Dell EMC PowerScale customer added five new nodes and SmartFailed two old nodes. LNNs are not insequence.
Which command(s) can the customer use to modify the LNN for a node?
- A. Isi node --Inn<old-Inn><old-Inn>
- B. Isi config, followed by Innset
- C. Isi device node -Inn <old-Inn><old-Inn>
- D. Isi config, followed by isi Innset--<SNO><new-Inn>
Answer: D
Explanation:
In a Dell EMC PowerScale cluster, each node is assigned a Logical Node Number (LNN) that identifies it within the cluster. When nodes are added or removed (e.g., via SmartFail), LNNs may become non- sequential. To modify the LNNs and restore sequential order, specific commands must be used.
Steps to Modify the LNN for a Node:
* Enter Configuration Mode:
* Use the isi config command to enter the configuration shell.
# isi config
* This mode allows for administrative tasks that can alter the cluster configuration.
* Use the lnset Command:
* The lnset command is used to set the LNN of a node.
# lnset --sn <SNO> <new-LNN>
* --sn <SNO> specifies the serial number of the node.
* <new-LNN> is the desired Logical Node Number.
Example:
If you want to set the LNN of a node with serial number ABC12345 to 6:
# isi config
# lnset --sn ABC12345 6
Why Option C is Correct:
* Accurate Command Sequence:
* Option C correctly specifies entering isi config, followed by using lnset with the serial number (<SNO>) and the new LNN.
* Proper Syntax:
* The command includes all necessary parameters to change the LNN.
Why Other Options Are Incorrect:
* Option A and B:
* Commands isi device node and isi node with --lnn options are incorrect or incomplete for changing LNNs.
* Option D:
* Simply stating lnset without specifying the serial number and new LNN is insufficient.
Dell PowerScale References:
* Dell EMC PowerScale OneFS CLI Administration Guide:
* Section on Node Management Commands:
* Details the usage of isi config and lnset commands.
* Provides syntax and examples for changing LNNs.
* Notes on LNN Changes:
* Warns that changing LNNs can impact cluster operations and should be performed during maintenance windows.
* Best Practices:
* Before Changing LNNs:
* Ensure that the cluster is in a healthy state.
* Notify users of potential service impacts.
* Backup critical configuration data.
* During LNN Change:
* Carefully input the serial number and desired LNN to avoid mistakes.
* Verify that the new LNN is not already in use.
* After Changing LNNs:
* Exit the configuration mode with exit.
* Check cluster status using isi status to confirm that the node has been assigned the new LNN.
* Update any documentation to reflect the new node numbering.
Caution:
* Modifying LNNs is an advanced operation that can affect cluster communication.
* It is recommended to consult Dell EMC Support or refer to official documentation before proceeding.
NEW QUESTION # 140
A platform engineer is unable to join a Dell PowerScale node to an existing SmartLock compliance mode cluster.
What is the reason for this issue?
- A. Node was not rebooted into compliance mode before trying to join.
- B. OneFS version of the existing cluster is 6.
- C. Node is an F-series node, which is not compatible with compliance mode.
- D. Node is a Gen 6 node, which is not compatible with compliance mode.
Answer: A
NEW QUESTION # 141
When configuring internal networking for a PowerScale cluster, what is a critical requirement?
- A. Implementing redundant switch configurations
- B. Using IPv6 addressing
- C. Ensuring all nodes are in the same subnet
- D. Setting up VLAN tagging
Answer: A
NEW QUESTION # 142
What is a recommended practice when maintaining CRUs in a PowerScale node?
- A. Testing CRUs in a separate environment before installation
- B. Keeping a log of all CRU maintenance activities
- C. Regularly rotating CRUs between nodes to ensure even wear
- D. Using only proprietary tools for CRU installation and removal
Answer: B
NEW QUESTION # 143
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