Master Dell EMC D-PEXE-IN-A-00 Exam with Reliable Practice Questions
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A deployment engineer is installing a PowerEdge XE8640 server. The server is on a lift, and they have aligned the server inner rails with the rail assemble that are secured in the rack. The engineer
can only push the server into the rack a short distance before it stops. Pushing forcefully causes the rack to slide back.
What action should the deployment engineer take?
Correct : A
Understanding Rail Locks:
The PowerEdge XE8640 server rails are equipped with a locking mechanism to secure the server during transport and installation. This prevents the server from moving unintentionally and ensures stability.
Identifying the Issue:
When the server stops after being pushed only a short distance into the rack, it is likely due to the rail lock engaging. This lock must be released to allow the server to slide fully into place.
Releasing the Rail Lock:
Locate the rail lock mechanism on the rails. This is typically a lever or button that, when pressed, releases the lock, allowing the server to slide further into the rack.
Detailed Steps:
Align the Server: Ensure that the server is properly aligned with the rails before proceeding. Misalignment can cause the server to get stuck or make it difficult to release the lock.
Press the Release Mechanism: With the server partially inserted, locate and press the release mechanism on both sides of the rails. This should disengage the locks.
Slide the Server: Once the locks are released, carefully push the server into the rack until it is fully seated. Ensure that the server is evenly aligned to avoid binding or getting stuck.
Avoiding Forceful Methods:
Avoid using excessive force to push the server into the rack as it can cause damage to the server, rails, or rack. Additionally, pushing forcefully without releasing the rail lock can lead to misalignment and potential hardware issues.
Safety and Assistance:
Ensure the lift is stable and properly aligned with the rack to prevent movement. If needed, have an assistant stabilize the lift while performing the installation steps.
Reference to Official Documentation:
Refer to the Dell EMC PowerEdge XE8640 Installation and Service Manual for specific instructions and diagrams illustrating the rail lock mechanism and proper installation procedures.
Dell EMC PowerEdge XE8640 Installation and Service Manual: This manual provides detailed guidelines on the proper use of rail kits and the mechanism for releasing rail locks during server installation.
Dell EMC Technical Specifications Guide: Offers comprehensive details on the hardware specifications and installation processes for Dell PowerEdge servers, including rail systems and locking mechanisms.
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A deployment engineer is preparing to install three PowerEdge XE9680 servers in a rack supplied by the customer.
What must they before going on-site to install the servers?
Correct : 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.
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A deployment engineer is installing a PowerEdge XE8640 server. The rack has four PDUs. Looking at the rear of the rack, one power source provides power to the two left PDUs. A different power
source provides power to the two right PDUs.
What side of the rack should XE8640 PSU 1 and PSU 2 be connected?
Correct : D
Redundancy and Load Balancing:
PowerEdge XE8640 servers are designed for high availability and reliability. One key aspect of this design is the redundancy provided by the server's Power Supply Units (PSUs). By connecting each PSU to a different power source, you ensure that the server remains operational even if one power source fails.
Power Source Configuration:
In this scenario, the rack has two distinct power sources: one supplying power to the two left PDUs and the other to the two right PDUs. To maximize redundancy, each PSU should be connected to a different power source.
PSU Placement:
PSU 1 in the left PDUs: Connect PSU 1 to one of the PDUs on the left side of the rack. This ensures that PSU 1 is powered by the first power source.
PSU 2 in the right PDUs: Connect PSU 2 to one of the PDUs on the right side of the rack. This ensures that PSU 2 is powered by the second power source.
Ensuring Redundancy:
By placing PSU 1 on the left and PSU 2 on the right, you create a redundant power configuration. If either power source fails, the other PSU can continue to supply power to the server, maintaining its operation.
Steps for Connection:
Step 1: Verify that the rack's PDUs are correctly connected to their respective power sources.
Step 2: Identify the left and right PDUs based on their power source connections.
Step 3: Connect PSU 1 to a PDU on the left side of the rack.
Step 4: Connect PSU 2 to a PDU on the right side of the rack.
Step 5: Confirm that both PSUs are securely connected and receiving power from separate sources.
Safety and Verification:
Ensure that all connections are secure and that the cables are managed to prevent interference with other components or airflow within the rack. Verify that each PSU is functioning correctly by checking the server's power status indicators.
Dell EMC PowerEdge XE8640 Installation and Service Manual: This manual provides detailed guidelines on PSU connections and power redundancy configurations.
Dell EMC Technical Specifications Guide: Offers comprehensive details on the power requirements and redundancy features of the PowerEdge XE8640.
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A customer wants to implement 20 PowerEdge XE9680 servers for development and rendering of their studio CGI production. The solution includes a shared development environment with multiple
outside partners, professionals, and hobbyists.
Due to the heating and cooling limitations of the data center, what GPUs should be used for the servers?
Correct : B
For a customer implementing PowerEdge XE9680 servers in a data center with heating and cooling limitations, the NVIDIA A100 GPUs are a suitable choice. Here's a detailed explanation:
By choosing NVIDIA A100 GPUs, the customer can ensure that their PowerEdge XE9680 servers will deliver the required performance for CGI production while adhering to the data center's heating and cooling limitations.
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A deployment engineer is installing eight PowerEdge XE9680 servers. Two servers will be installed in each of four racks. The data center managers must plan for the power needed to supply power to
the four racks.
What power consumption information can the deployment engineer give the data center manager?
Correct : B
The PowerEdge XE9680 server is equipped with power supply units (PSUs) that are essential for its operation. Here's the power consumption information that the deployment engineer can provide:
Total Power Requirement: With two servers per rack, each rack will have a total ofeight 2800-Watt PSUs. This information helps in calculating the total power draw for each rack.
Power Planning: The data center manager must plan for the power needed to supply power to the four racks, considering the power draw of the servers and any additional equipment that will be installed.
By providing this detailed power consumption information, the deployment engineer assists the data center manager in planning for the appropriate power infrastructure to support the PowerEdge XE9680 servers.
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