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Free D-PSC-MN-01 Exam Braindumps (page: 2)

Page 1 of 27
PDF with 101 Questions

A customer notices a platform engineer intentionally leaving a 1U gap underneath a Dell PowerScale H400 chassis during racking and stacking What is the purpose of the gap?

  1. Backend Ethernet switch
  2. Cable management tray
  3. Location to install archive nodes
  4. Required blanking panel for node separation

Answer(s): B

Explanation:

During the installation of Dell PowerScale H400 nodes, it is standard practice to leave a 1U gap underneath the chassis to accommodate the Cable Management Tray (CMT). The Cable Management Tray is essential for organizing and supporting the network and power cables connected to the node. Proper cable management ensures that cables are neatly routed, reduces stress on the connectors, and prevents obstruction of airflow within the rack. According to the Dell PowerScale Hardware Installation and Planning Guide, the inclusion of a Cable Management Tray improves serviceability and maintains optimal airflow by preventing cables from hanging in front of the equipment or blocking ventilation paths. By intentionally leaving a 1U gap, the platform engineer ensures that the Cable Management Tray can be installed without interfering with the node's operation or the rack's structural integrity.


Reference:

Dell PowerScale Hardware Installation and Planning Guide

Best Practices for Cable Management in Dell PowerScale Systems



Which cluster interface provides the most detailed network traffic statistics and enables file and directory operations on the cluster?

  1. Web console
  2. Serial console
  3. Platform API
  4. CLI

Answer(s): D

Explanation:

The Command Line Interface (CLI) provides the most comprehensive and detailed interaction with a Dell PowerScale cluster. Through the CLI, administrators have access to a wide range of commands that offer detailed network traffic statistics, system performance metrics, and the ability to perform granular file and directory operations.
While the Web console offers a user-friendly graphical interface for cluster management, it may not provide the same level of detail or the full set of functionalities available in the CLI. The Serial console is primarily used for initial setup or troubleshooting when network access is unavailable. The Platform API allows for programmatic access but requires additional development effort to utilize. The CLI is accessible via SSH and provides tools like isi statistics for detailed performance metrics and isi commands for file system operations. This makes it the most powerful interface for administrators needing in-depth information and control over the cluster.


Reference:

Dell PowerScale OneFS Command-Line Administration Guide Dell PowerScale OneFS CLI Reference Guide



A platform engineer is connecting a new Dell PowerScale F600 node to the frontend switch in an existing cluster with legacy nodes.
How should the network cables be connected?

  1. From the PCIe slot 1 to the frontend Ethernet switch
  2. From the PCIe slot 3 to the frontend Ethernet switch
  3. From the PCIe slot 1 to the frontend InfiniBand switch
  4. From the PCIe slot 3 to the frontend InfiniBand switch

Answer(s): A

Explanation:

When connecting a Dell PowerScale F600 node to the frontend network in an existing cluster with legacy nodes, it's important to follow the correct cabling practices to ensure network compatibility and optimal performance.

The F600 node uses PCIe slot 1 for frontend (client) network connections. This slot supports Ethernet network interfaces that handle client traffic. PCIe slot 3 is typically reserved for backend (cluster interconnect) networking. Since the cluster includes legacy nodes, and assuming they use Ethernet for frontend connectivity, the F600 should connect its frontend network interfaces from PCIe slot 1 to the frontend Ethernet switch.
Connecting the cables from PCIe slot 1 to the frontend Ethernet switch ensures that the F600 node properly communicates with clients and integrates seamlessly into the existing cluster network infrastructure.


Reference:

Dell PowerScale F600 Technical Specifications Guide
Dell PowerScale Network Configuration Guide
Best Practices for Adding Nodes to an Existing Dell PowerScale Cluster



A platform engineer connected to a Dell PowerScale F600 node using a serial connection. The session is unresponsive.
What action must the engineer take?

  1. Restart the server using the front panel power button.
  2. Check the settings of the serial connection.
  3. Replace the serial cable with a new one.
  4. Update the node firmware to the latest release

Answer(s): B

Explanation:

When a platform engineer connects to a Dell PowerScale F600 node using a serial connection and the session is unresponsive, the first action should be to check the settings of the serial connection. Serial communication requires specific configuration parameters to establish a successful connection. An incorrect setting can result in an unresponsive session. The standard serial connection settings for Dell PowerScale nodes are:
Baud Rate: 115200
Data Bits: 8
Parity: None
Stop Bits: 1
Flow Control: None
Steps to resolve the issue:
Verify Serial Port Configuration:
Open your terminal emulator software (e.g., PuTTY, Tera Term). Check that the serial port settings match the required parameters.
Confirm Physical Connections:
Ensure that the serial cable is securely connected to both the laptop and the node's serial port.
Test the Serial Cable:
If possible, test the cable with another device to rule out a faulty cable. Restarting the server or updating firmware is unnecessary at this stage and could introduce additional issues. Replacing the serial cable should only be considered after confirming that the settings and connections are correct.


Reference:

Dell PowerScale Hardware Installation and Planning Guide ­ Serial Connection Settings Dell PowerScale OneFS CLI Administration Guide ­ Accessing the Cluster Through a Serial Connection Dell Knowledge Base Article ­ Troubleshooting Serial Console Access






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