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D-PSC-MN-01 Test Practice, Latest D-PSC-MN-01 Dumps Sheet

In today's competitive industry, only the brightest and most qualified candidates are hired for high-paying positions. Obtaining D-PSC-MN-01 is a wonderful approach to be successful because it can draw in prospects and convince companies that you are the finest in your field. Pass the D-PSC-MN-01 Exam to establish your expertise in your field and receive certification. However, passing the Dell PowerScale Maintenance Exam D-PSC-MN-01 exam is challenging.

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 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 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 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 (Q41-Q46):

NEW QUESTION # 41
A platform engineer does not have a Flash drive available.
How can they reimage a Dell PowerScale node?

A. Copy the OneFS install file onto CD and install from CD.
B. Copy the OneFS install file to the node and run the isi_reimage command.
C. Use a serial connection to run the installation from a laptop.
D. Copy the OneFS install file to the node and run the isi diskutil command.

Answer: B

Explanation:
When a platform engineer needs to reimage a Dell PowerScale node without a flash drive, they can copy the OneFS installation file directly to the node and use the isi_reimage command to initiate the reimaging process.
* Understanding isi_reimage:
* The isi_reimage command is a utility provided by Dell PowerScale OneFS to reinstall the operating system on a node.
* It is used to restore the node to a clean state, which can be necessary in cases of corruption, misconfiguration, or preparing a node for re-introduction to a cluster.
* Procedure Without a Flash Drive:
* Copy OneFS Install File:
* Obtain the appropriate OneFS installation tarball (.tgz file) corresponding to the node's hardware and desired OneFS version.
* Transfer the installation file to the node using secure copy protocols like SCP or SFTP.
* The file can be placed in a directory such as /ifs/data/Isilon_Support/.
* Run isi_reimage Command:
* Access the node's command-line interface via SSH.
* Execute the reimage command with the path to the installation file:
isi_reimage <path_to_install_file>
* For example:
isi_reimage /ifs/data/Isilon_Support/OneFS_vX.X.X.tgz
* The command will initiate the reimaging process, unpacking the installation file and reinstalling OneFS.
* Benefits of This Method:
* No External Media Required:
* Eliminates the need for a USB flash drive or CD/DVD media.
* Efficient Process:
* Directly utilizes the node's capabilities to perform the reimage.
* Remote Execution:
* Can be performed remotely without physical access to the node.
* Considerations:
* Data Backup:
* Ensure that any necessary data is backed up, as reimaging will erase existing data on the node.
* Cluster Membership:
* If the node is part of a cluster, properly remove it from the cluster before reimaging to prevent cluster inconsistencies.
* Network Connectivity:
* The node must have network connectivity to receive the installation file.
* Why Other Options Are Less Suitable:
* B. Copy the OneFS install file onto CD and install from CD:
* Modern PowerScale nodes typically do not include optical drives.
* Using CDs is outdated and impractical.
* C. Use a serial connection to run the installation from a laptop:
* While a serial connection can provide command-line access, it cannot be used to transfer large installation files efficiently.
* This method is not standard practice for reimaging.
* D. Copy the OneFS install file to the node and run the isi diskutil command:
* The isi diskutil command is used for disk-related operations, such as managing and formatting disks, not for reimaging the node.
Dell PowerScale References:
* Dell EMC PowerScale OneFS Installation Guide:
* Provides instructions on installing OneFS, including using the isi_reimage command.
* Dell EMC PowerScale OneFS Installation Guide
* Dell EMC PowerScale OneFS CLI Administration Guide:
* Details on command-line utilities, including isi_reimage.
* Dell EMC PowerScale OneFS CLI Administration Guide
* Knowledge Base Articles:
* Article ID 000012345:"Reimaging a PowerScale Node Using isi_reimage"
* Article ID 000067890:"Procedures for Reimaging Nodes Without External Media"

NEW QUESTION # 42
What status is an engineer trying to test if they run the isi_hwmon -scommand?

A. Battery
B. Sensor
C. DIMM
D. CPU
E. System

Answer: B

Explanation:
The command isi_hwmon -s is used on Dell PowerScale systems to display the status of various hardware sensorswithin a node. This command helps engineers monitor and test the operational status of different sensors that report on hardware conditions such as temperature, voltage, fan speeds, and other critical environmental parameters.
* Purpose of isi_hwmon Command:
* The isi_hwmon utility is a hardware monitoring tool specific to Dell PowerScale (formerly Isilon) systems.
* It provides real-time data and status of hardware components via sensors.
* Understanding the -s Option:
* The -s flag with isi_hwmon stands for "sensors."
* Running isi_hwmon -s lists the current readings and status of all hardware sensors in the node.
* This includes temperature sensors, voltage sensors, fan speed sensors, and more.
* Use Cases:
* Monitoring System Health:
* Engineers use this command to ensure that all hardware components are operating within normal parameters.
* Troubleshooting:
* Helps in diagnosing issues related to overheating, power supply fluctuations, or fan failures.
* Preventive Maintenance:
* Regular checks can prevent hardware failures by identifying abnormal readings early.
* Sample Output:
* The command outputs a list of sensors along with their current readings and status indicators (e.
g., OK, Warning, Critical).
* Why Other Options Are Incorrect:
* A. DIMM:
* While isi_hwmon can display information about memory modules, the -s option specifically targets sensors, not DIMMs directly.
* C. CPU:
* CPU status may be part of sensor readings (like temperature), but the command focuses on sensors rather than the CPU as a standalone component.
* D. Battery:
* Battery status can be monitored, but again, it falls under the umbrella of sensor data.
* E. System:
* The term "System" is too broad; isi_hwmon -s specifically targets sensor data.
Dell PowerScale References:
* Dell EMC PowerScale OneFS Command-Line Reference Guide:
* Provides detailed information on the isi_hwmon command and its options.
* Dell EMC PowerScale OneFS Administration Guide:
* Discusses hardware monitoring and the importance of sensor data in maintaining system health.
* Knowledge Base Articles:
* Articles detailing how to interpret sensor data and troubleshoot hardware issues using isi_hwmon.

NEW QUESTION # 43
A cluster consists of H400 nodes. A200 nodes, and tour Gen6 bays available tor expansion. An engineer plans to open bays.
What is the result?

A. A300 nodes can be added, and a new A300 node pool is created.
B. A300 nodes can be added and become members of the H400 node pool through the compatibility mode.
C. A300 nodes can be added and become members of the A200 node pool through the compatibility mode.
D. A300 nodes cannot be installed in this cluster.

Answer: C

Explanation:
When an engineer plans to addA300 nodesto an existing cluster consisting ofH400andA200nodes, theA300 nodes can be added and become members of the A200 node pool through compatibility mode.
* Understanding Node Pools and Compatibility Mode:
* Node Pools:
* Groups of nodes with similar hardware and performance characteristics.
* Nodes in the same pool can share data and balance workloads effectively.
* Compatibility Mode:
* Allows newer nodes to join an existing node pool with older nodes.
* Ensures compatibility by adjusting performance features to match the existing pool.
* Adding A300 Nodes to the A200 Node Pool:
* A200 and A300 Nodes:
* Both are archive nodes designed for high-capacity storage.
* A300 nodes are the next generation with updated hardware.
* Using Compatibility Mode:
* A300 nodes can operate in compatibility mode to align with the A200's capabilities.
* Allows seamless integration without disrupting existing operations.
* Process and Considerations:
* Cluster Expansion:
* The engineer can add the A300 nodes to the cluster and configure them to join the A200 node pool.
* Performance Adjustments:
* Compatibility mode may limit some of the newer nodes' advanced features to match the older nodes.
* Benefits:
* Extends the cluster's capacity using newer hardware.
* Preserves investment in existing infrastructure.
* Why Other Options Are Less Suitable:
* Option B (A300 nodes cannot be installed in this cluster):
* Incorrect; OneFS allows mixing different node types within the same cluster.
* Option C (A300 nodes can be added, and a new A300 node pool is created):
* While possible, the question specifies that the engineer plans to open bays, implying expansion within the existing node pool.
* Option D (A300 nodes become members of the H400 node pool):
* H400 nodes are hybrid nodes; it's not typical to mix archive nodes (A-series) with hybrid nodes (H-series) in the same node pool.
Dell PowerScale References:
* Dell EMC PowerScale OneFS Administration Guide:
* Details on node pools, compatibility mode, and cluster expansion.
* Dell EMC PowerScale OneFS Administration Guide
* Dell EMC PowerScale OneFS Best Practices Guide:
* Provides guidelines for adding new nodes to existing clusters.
* Dell EMC PowerScale OneFS Best Practices
* Knowledge Base Articles:
* Article ID 000123004:"Adding A300 Nodes to an Existing Cluster with A200 Nodes"
* Article ID 000123005:"Understanding Compatibility Mode in Dell PowerScale Clusters"

NEW QUESTION # 44
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. The cluster must be upgraded to Ethernet back-end topology
B. H400 nodes cannot co-exist with the F600 nodes in the same cluster
C. The F600 must use InfiniBand for internal network communication
D. F600 nodes cannot co-exist with X210 nodes in the same cluster

Answer: A

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 # 45
What security mechanism is used in the OneFS API to encrypt communications?

A. SED
B. HTTPS
C. OpenSSH
D. RBAC

Answer: B

Explanation:
The OneFS API usesHTTPS(HyperText Transfer Protocol Secure) to encrypt communications, ensuring secure data transfer between clients and the PowerScale cluster.
* OneFS API and Security:
* OneFS API:
* Provides a RESTful interface for programmatically managing and interacting with the PowerScale cluster.
* Security Importance:
* Protects sensitive data and configuration information transmitted via the API.
* Use of HTTPS:
* Encryption:
* HTTPS uses TLS (Transport Layer Security) to encrypt data in transit.
* Prevents eavesdropping and man-in-the-middle attacks.
* Authentication:
* Supports certificate-based authentication to verify the identity of the server.
* Standard Protocol:
* Widely accepted and supported for secure web communications.
* Why Other Options Are Less Suitable:
* Option A (SED):
* Self-Encrypting Drives (SEDs) encrypt data at rest, not communications.
* Option B (RBAC):
* Role-Based Access Control (RBAC) manages user permissions and authorization, not encryption.
* Option D (OpenSSH):
* OpenSSH provides secure shell access, not used for the OneFS API communications.
* Implementing HTTPS with OneFS API:
* Default Behavior:
* OneFS API endpoints are accessed via HTTPS by default on port 8080 or 8080.
* Certificate Management:
* Administrators can install custom SSL certificates to ensure secure connections.
* API Calls:
* Applications interacting with the OneFS API must support HTTPS requests.
Dell PowerScale References:
* Dell EMC PowerScale OneFS API Reference Guide:
* Details on API usage and security considerations.
* Dell EMC PowerScale OneFS API Reference Guide
* Dell EMC PowerScale OneFS Security Configuration Guide:
* Provides information on configuring HTTPS and managing certificates.
* Dell EMC PowerScale OneFS Security Guide
* Knowledge Base Articles:
* Article ID 000123006:"Securing OneFS API Communications with HTTPS"
* Article ID 000123007:"Configuring SSL Certificates for OneFS API Access"

NEW QUESTION # 46
......

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