Dell EMC Dell PowerEdge XE9680 and XE8640 Install D-PEXE-IN-A-00 Exam Practice Test

Answer : B

The PowerEdge XE9680 server supports a high level of network throughput, which is achieved through its PCIe risers and network PCI card capacity. Here's the detailed information:

PCIe Slots: The PowerEdge XE9680 server supports up to10 PCIe Gen5 slots1. These slots are used to install PCIe devices, including network cards, which are essential for achieving high network throughput.

Riser Cards: Riser cards are used in servers to extend the PCIe slots and make them more accessible for installing additional cards, such as network cards.

Network Card Support: Each riser can support multiple PCIe network cards, allowing for expansion and increased network throughput.

Configuration: For the greatest amount of network throughput, the server can be configured withfour risers, and each riser can accommodatetwo PCIe network cards1. This configuration maximizes the number of network cards and, consequently, the network throughput capability of the server.

By utilizing the full capacity of PCIe slots with the appropriate risers and network cards, the PowerEdge XE9680 can meet the customer's requirement for the highest network throughput possible.

Answer : A

Weight and Size of the PowerEdge XE9680:

The Dell PowerEdge XE9680 server is designed for high performance, which often results in a larger and heavier form factor. Handling such servers typically requires multiple people to ensure safety and prevent damage.

Ergonomic Considerations:

Due to its weight and size, it is crucial to follow proper ergonomic practices when lifting and moving the server. This minimizes the risk of injury and ensures the server is handled safely.

Number of People Required:

For the XE9680, it is recommended to have four people when physically picking up the server to place it on the lift shelf. This recommendation is based on the server's weight and the need to maneuver it safely onto the lift.

Safety and Coordination:

Each person should position themselves on one side of the server, ensuring an even distribution of weight. This coordinated effort helps in lifting the server evenly and reducing the risk of dropping or mishandling it.

Procedure for Lifting:

Two individuals should position themselves at the front corners, and two at the rear corners of the server. On a coordinated count, all four should lift the server together and place it gently onto the lift shelf.

The lift shelf should be stable and able to support the weight of the server once it is placed on it.

Using the Lift:

Once the server is on the lift shelf, it can be maneuvered into the desired position in the rack. Ensure that the lift is rated for the weight of the XE9680 to avoid any mechanical failures.

Reference to Official Documentation:

Dell's installation guides and service manuals typically provide guidelines on the number of personnel required for handling large and heavy servers, ensuring both safety and compliance with best practices.

Dell EMC PowerEdge XE9680 Installation and Service Manual: This manual provides detailed guidelines on handling and installing the XE9680 server, including the recommended number of personnel required for safe handling.

Dell EMC Technical Specifications Guide: Offers insights into the physical dimensions and weight of the PowerEdge XE9680, informing the need for multiple personnel for safe handling and installation.

Answer : B, C, E

To ensure the correct server rails are on-site for the installation of PowerEdge XE servers, it's essential to match the server model with the appropriate rail type. Based on the Dell Enterprise Systems Rail Sizing and Rack Compatibility Matrix, the following matches are correct:

XE9680 and B25: The XE9680 server is compatible with the B25 rail type, which is designed to support the size and weight of this particular server model1.

XE9640 and B25: Similarly, the XE9640 server can also utilize the B25 rail type for secure mounting in a rack1.

XE9680 and B28: Additionally, the XE9680 server is compatible with the B28 rail type, providing an alternative mounting solution1.

It's important to note that the rail types are specific to the server models and are designed to ensure a secure and stable installation in the customer's rack. The Dell Rail Sizing and Rack Compatibility Matrix provides detailed information on the compatibility of different server models with their respective rail types. This document should be consulted to verify the correct rail type for each server model before proceeding with the installation1.

Answer : A

Server Dimensions and Rack Compatibility:

The Dell PowerEdge XE9680 is a large server with specific dimensional requirements. Ensuring that the customer's rack can accommodate the physical length and depth of the server is crucial for a successful installation.

Rack Depth and Space Requirements:

Measure the depth of the customer's rack to ensure it is sufficient to house the XE9680 servers. The server's dimensions, including its length, should be verified against the available space in the rack.

Server Length Specification:

The PowerEdge XE9680 has a significant depth, typically around 800mm (31.5 inches). The rack must be deep enough to support the full length of the server, including any cable management and airflow requirements.

Checking Rack Specifications:

Verify that the rack adheres to standard dimensions suitable for hosting enterprise-grade servers. Ensure that the rack has appropriate mounting options, such as square or threaded holes compatible with the server's rail kit.

Pre-installation Verification:

Before arriving on-site, confirm with the customer that their rack meets the necessary specifications. This includes checking for sufficient clearance at the rear for cable connections and at the front for proper airflow.

Importance of Proper Fit:

A rack that cannot accommodate the length of the servers will result in installation failure, potential damage to the hardware, and inefficient cooling. It may also pose safety risks during and after installation.

Reference and Documentation:

The Dell EMC PowerEdge XE9680 Installation and Service Manual provides detailed information on the server's dimensions and the necessary rack specifications. This manual should be consulted to ensure all pre-installation requirements are met.

Dell EMC PowerEdge XE9680 Installation and Service Manual: This manual provides comprehensive guidelines on the server's physical dimensions and the necessary rack specifications for proper installation.

Dell EMC Technical Specifications Guide: Offers detailed specifications and requirements for rack compatibility and server installation procedures.

Answer : C

Understanding Rail Types and Compatibility:

Dell PowerEdge servers, including the XE8640, come with rail kits designed for specific types of racks. The rail kits are tailored to fit racks with square holes or threaded holes, depending on the model and configuration.

Compatibility with Round-Hole Racks:

The PowerEdge XE8640 does not support installation in round-hole racks. The rail kits provided with the XE8640 are designed for 4-post racks with square holes or 4-post threaded racks. Attempting to install these rails in a round-hole rack will result in improper fitment and stability issues.

Common Installation Issues:

If the outer rail portion does not fit flush with the rack frame, it is often due to a compatibility issue with the rack type. Round-hole racks require specific rail kits that are different from those used for square or threaded hole racks.

Verifying Rack Type:

Before installation, verify the type of rack being used. Ensure that it matches the specifications outlined in the server's installation guide. Using the correct rack type ensures proper fitment and structural integrity.

Alternative Solutions:

If the current rack is a round-hole type, consider using a compatible rack with square or threaded holes for the XE8640. Alternatively, there might be adapters or conversion kits available that allow the use of standard rails in round-hole racks, although these are not typically recommended due to potential stability issues.

Reference and Documentation:

Refer to the Dell EMC PowerEdge XE8640 Installation and Service Manual for detailed information on rail and rack compatibility. This manual provides specifications for supported rack types and instructions for proper installation.

Dell EMC PowerEdge XE8640 Installation and Service Manual: This document provides comprehensive guidelines on the correct installation procedures and compatible rack types for the XE8640 server.

Dell EMC Technical Specifications Guide: Offers detailed specifications on the rack compatibility and rail options for Dell PowerEdge servers, ensuring proper installation and fitment.

Answer : B

Understanding GPU Drivers:

Graphics Processing Units (GPUs) require specific drivers to ensure optimal performance and compatibility with the operating system. Each GPU model typically has a unique driver package designed to leverage its capabilities and architecture.

Driver Packages for Different GPU Models:

For the Dell PowerEdge XE8640, which may be equipped with multiple GPU models, it is crucial to identify the exact GPU models installed in the server. Each GPU model, whether it's from NVIDIA, AMD, or another manufacturer, will have a distinct driver package.

Importance of Model-Specific Drivers:

Using the correct driver for each GPU model ensures that the GPU operates efficiently, provides the intended performance, and remains stable under various workloads. Incorrect drivers can lead to suboptimal performance, compatibility issues, or system instability.

Steps to Update Drivers on Linux:

Identify the GPU models installed in the server. This can be done using commands like lspci | grep -i vga or similar tools that list the hardware components.

Visit the GPU manufacturer's website (e.g., NVIDIA, AMD) to download the appropriate drivers for each GPU model.

Follow the manufacturer's installation instructions, which typically involve downloading the driver package, extracting it, and running an installation script or using package management tools.

Using iDRAC for Driver Updates:

While the iDRAC (Integrated Dell Remote Access Controller) UI can be used for various management tasks, uploading driver packages directly via iDRAC is not typically supported. Drivers are usually installed within the operating system environment.

Compatibility with Linux:

Ensure that the driver package is compatible with the Linux distribution and kernel version installed on the XE8640. GPU manufacturers often provide detailed compatibility information and installation guides specific to various Linux distributions.

Reference to Official Documentation:

Dell's support site and the GPU manufacturer's documentation provide comprehensive guides on downloading and installing the correct drivers for various operating systems, including Linux.

Dell EMC PowerEdge XE8640 Installation and Service Manual: This manual provides detailed guidelines on hardware configurations and driver installations.

NVIDIA/AMD Official Documentation: These resources offer specific instructions on downloading and installing GPU drivers for different operating systems and GPU models.

Answer : C

Understanding Stab-in Rails:

Stab-in rails are designed to simplify the server installation process. These rails enable a quick and straightforward installation of the server into the rack.

Compatibility and Usage:

Stab-in rails are specifically designed for use in 4-post racks with square holes. This compatibility ensures stability and proper fitting within the rack structure.

Installation Process:

Before initiating the installation, verify that the rack is a 4-post, square hole type.

Position the stab-in rails to align with the square holes on the rack. Typically, stab-in rails have tabs that fit precisely into these square holes.

Mounting the Server:

Once the rails are securely attached to the rack, the server can be mounted. The design of the stab-in rails facilitates a smooth insertion of the server, ensuring it is securely held in place.

Ensuring Proper Fit:

After the server is mounted, check to ensure that it is level and securely attached. This step is crucial to prevent any movement or displacement that could occur due to vibrations or physical disturbances.

Dell EMC PowerEdge XE9680 and XE8640 Installation and Service Manual: This manual provides detailed instructions on the use and installation of stab-in rails, including compatibility with specific rack types.

Dell EMC Technical Specifications Guide: Offers comprehensive specifications and compatibility information for different mounting and installation hardware used with Dell PowerEdge servers.