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

Topic	Details
Topic 1	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 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 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 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 (Q37-Q42):

NEW QUESTION # 37
What is an important consideration when connecting Dell PowerScale Gen6 nodes to external power?

A. Cable all nodes to the external power feeds before connecting switch power cables.
B. The total power load for all nodes in the rack should not exceed 100% of the branch circuit rating.
C. Cable each node in a node pair to a different PDU.
D. Connect both cables of each node to different external power feeds.

Answer: D

Explanation:
An important consideration when connecting Dell PowerScale Gen6 nodes to external power is toconnect both power cables of each node to different external power feeds. This practice ensures redundancy and maintains node availability in case one power source fails.
* Understanding Power Redundancy:
* Dual Power Supplies:
* Gen6 nodes are equipped with dual power supplies for redundancy.
* Separate Power Feeds:
* Connecting each power supply to a different power feed or Power Distribution Unit (PDU) provides protection against power failures.
* Benefits of Connecting to Different Power Feeds:
* Fault Tolerance:
* If one power feed fails (e.g., due to a tripped circuit breaker or maintenance), the node remains operational using the other power feed.
* Load Balancing:
* Distributes the electrical load across multiple circuits, preventing overloads.
* High Availability:
* Critical for maintaining uptime in environments where continuous operation is essential.
* Implementation Details:
* Physical Cabling:
* Each power supply unit (PSU) in the node should be connected to a separate PDU or power source.
* PDU Configuration:
* Ideally, PDUs should be connected to different branch circuits or Uninterruptible Power Supplies (UPS) for maximum redundancy.
* Why Other Options Are Less Suitable:
* A. Cable each node in a node pair to a different PDU:
* While distributing nodes across PDUs is good practice, connecting both power supplies of a single node to different power feeds is more critical for that node's redundancy.
* B. Cable all nodes to the external power feeds before connecting switch power cables:
* The order of connecting nodes and switches is less critical than ensuring proper power redundancy.
* C. The total power load for all nodes in the rack should not exceed 100% of the branch circuit rating:
* Best practice is to not exceed80%of the branch circuit rating to allow for a safety margin, accounting for inrush current and preventing overloads.
* Best Practices:
* Compliance with Electrical Codes:
* Ensure that power connections meet local electrical regulations and standards.
* Regular Testing:
* Periodically test failover by simulating power feed failures to confirm redundancy works as expected.
* Documentation:
* Keep detailed records of power connections for maintenance and troubleshooting.
Dell PowerScale References:
* Dell EMC PowerScale Site Preparation and Planning Guide:
* Provides guidelines on power requirements, redundancy, and cabling practices.
* Dell EMC PowerScale Site Preparation Guide
* Hardware Installation Manuals:
* Include instructions on connecting power supplies and recommendations for redundancy.
* Dell EMC PowerScale Hardware Installation Guide
* Knowledge Base Articles:
* Article ID 000045678:"Power Redundancy Best Practices for Dell PowerScale Gen6 Nodes"
* Article ID 000090123:"Ensuring High Availability Through Proper Power Cabling"

NEW QUESTION # 38
An SSD has failed in Node 1 in a Dell EMC PowerScale F200 cluster. After replacing the drive, which command should be run to ensure the node has finished updating?

A. Isi status -h
B. Isi status -q
C. Isi devices device list -node-Inn 1
D. Isi devices -d

Answer: C

Explanation:
After replacing a failed SSD in Node 1 of a Dell EMC PowerScale F200 cluster, it's important to verify that the node has recognized the new drive and has finished any necessary updates or rebuild processes.
Command to Verify Device Status:
* isi devices device list --node-lnn 1:
* This command lists all devices (drives) associated with Node 1.
* It provides detailed information about each device, including status, health, and activity.
Why Option C is Correct:
* Specific to Node 1:
* The --node-lnn 1 parameter targets Node 1 directly.
* Comprehensive Output:
* The device list subcommand displays the status of all devices on the node.
* Verification of Update Completion:
* By reviewing the output, you can confirm that the new SSD is recognized and that any rebuild or update processes have completed successfully.
Why Other Options Are Less Appropriate:
* Option A (isi devices -d):
* This command is incomplete and may not provide the necessary information.
* Option B (isi status -h):
* Provides a high-level cluster status but does not detail individual device statuses.
* Option D (isi status -q):
* Gives a quick summary of cluster status, similar to Option B.
Dell PowerScale References:
* Dell EMC PowerScale OneFS CLI Administration Guide:
* Section on isi devices Commands:
* Explains how to use isi devices device list to view detailed device information.
* Provides options to filter by node, device type, and status.
* Steps to Verify Drive Replacement:
* Run the Command:
bash
Copy code
# isi devices device list --node-lnn 1
* Review Output:
* Look for the new SSD in the list.
* Check that the status is HEALTHY or OK.
* Confirm Rebuild Completion:
* Ensure that there are no active jobs related to data protection or rebuilds.
* Use isi job status to check for running jobs.
* Best Practices:
* After Replacing a Drive:
* Monitor the cluster for any alerts or errors.
* Ensure that data protection levels are restored.
* Documentation:
* Record the replacement in maintenance logs.
* Update any asset tracking systems with the new drive's details.
Additional Commands:
* Check Cluster Health:
arduino
Copy code
# isi status
* List All Devices:
arduino
Copy code
# isi devices list
By using the isi devices device list --node-lnn 1 command, the platform engineer can confidently confirm that Node 1 has recognized the new SSD and that all necessary updates have been completed.

NEW QUESTION # 39
How should a technician ensure that the PowerScale rack and subcomponents are grounded properly?

A. Ensuring the data center floor is conductive
B. Checking the grounding with a multimeter
C. By using insulated gloves during the installation
D. Connecting each component to a separate ground source

Answer: B

NEW QUESTION # 40
A customer received replacement parts from Dell without prior communication.
Why did they receive the replacement parts?

A. The cluster is configured with SupportAssist only.
B. The cluster is configured with Secure Remote Services only.
C. The cluster is enrolled in the AutoCRU program.
D. The cluster is configured with SCG.

Answer: C

Explanation:
The customer received replacement parts from Dell without prior communication becausethe cluster is enrolled in the AutoCRU (Automatic Customer Replaceable Unit) program. The AutoCRU program is designed to streamline the parts replacement process by automatically shipping Customer Replaceable Units (CRUs) when a failure is detected, without the need for prior communication or manual intervention.
1. Understanding AutoCRU Program:
* AutoCRU Program Overview:
* The AutoCRU program enables Dell to automatically dispatch replacement CRUs directly to the customer when a hardware issue is detected.
* It reduces downtime by eliminating the need for the customer to contact Dell Support to initiate a replacement.
* Applicable for parts classified as CRUs, which customers can replace themselves.
* Enrollment in AutoCRU:
* Customers must opt-in to participate in the AutoCRU program.
* Enrollment involves agreeing to terms and ensuring proper configuration of remote monitoring tools.
2. How AutoCRU Works with PowerScale Clusters:
* Remote Monitoring:
* The cluster is monitored using tools likeSecure Remote Services (SRS)orSecure Connect Gateway (SCG).
* These tools send alerts to Dell when hardware issues are detected.
* Automatic Dispatch:
* Upon detecting a failure, the system generates a service request.
* The AutoCRU process initiates, and replacement parts are shipped automatically to the customer's site.
* No Prior Communication Needed:
* The automation eliminates the need for prior communication, expediting the replacement process.
* Customers receive parts promptly, minimizing potential downtime.
3. Why Other Options Are Less Suitable:
* Option A: The cluster is configured with Secure Remote Services only.
* While SRS enables remote monitoring, it does not automatically dispatch parts without the AutoCRU program.
* SRS requires manual intervention to create service requests unless combined with AutoCRU.
* Option C: The cluster is configured with SCG.
* Secure Connect Gateway (SCG)is the modern replacement for SRS.
* Similar to SRS, SCG facilitates remote monitoring but does not inherently provide automatic parts dispatch without AutoCRU enrollment.
* Option D: The cluster is configured with SupportAssist only.
* SupportAssistprovides proactive monitoring and can generate alerts.
* However, automatic parts dispatch requires participation in the AutoCRU program.
4. Dell PowerScale References:
* Dell EMC AutoCRU Program Details:
* Provides information on the benefits and enrollment process for AutoCRU.
* Dell EMC AutoCRU Program
* Secure Remote Services (SRS) and Secure Connect Gateway (SCG):
* Discusses how these tools facilitate remote monitoring and support.
* Dell EMC Secure Remote Services
* Dell EMC Secure Connect Gateway
* Customer Replaceable Units (CRUs):
* Lists parts classified as CRUs and guidelines for replacement.
* Dell EMC PowerScale Customer Replaceable Units Guide
* Knowledge Base Articles:
* Article ID 000180123:"Understanding the AutoCRU Program for Dell PowerScale"
* Article ID 000180124:"Automatic Parts Dispatch with AutoCRU and SRS/SCG"

NEW QUESTION # 41
A platform engineer is tasked with adding F600 nodes to an existing Dell EMC PowerScale cluster. After racking and stacking the F600 nodes, they determine that the cluster contains X210 and H400 nodes.
What should the platform engineer consider?

A. F600 nodes cannot co-exist with X210 nodes in the same cluster
B. H400 nodes cannot co-exist with the F600 nodes in the same cluster
C. The cluster must be upgraded to Ethernet back-end topology
D. The F600 must use InfiniBand for internal network communication

Answer: C

Explanation:
Adding F600 nodes to an existing cluster requires compatibility in back-end networking.
Key Considerations:
* Back-End Networking:
* F600 Nodes:Use Ethernet for internal communication.
* Existing Nodes (X210 and H400):May be using InfiniBand.
* Action Required:
* Upgrade the cluster's back-end to Ethernet topology to accommodate F600 nodes.
Why Other Options Are Incorrect:
* Option A:H400 nodes can coexist with F600 nodes if back-end networking is compatible.
* Option B:F600 nodes do not use InfiniBand.
* Option C:F600 nodes can coexist with X210 nodes with the appropriate back-end network.
Dell PowerScale References:
* Dell EMC PowerScale Networking Guide:
* Back-End Network Compatibility:
* Discusses requirements for mixing node types.
* Upgrading Back-End Network:
* Provides steps for transitioning from InfiniBand to Ethernet.
* Best Practices:
* Plan the network upgrade carefully to minimize downtime.
* Consult with Dell EMC support for guidance.

NEW QUESTION # 42
......

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D-PSC-MN-01 Tests Dumps, D-PSC-MN-01 Test Exam, D-PSC-MN-01 Valid Dumps

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

D-PSC-MN-01 New Test Materials & Valid D-PSC-MN-01 Dumps Demo

EMC Dell PowerScale Maintenance Exam Sample Questions (Q37-Q42):

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