Explain the Cooling and Thermal Considerations in PowerEdge Servers (Direct Liquid Cooling, Immersion Cooling, Air Cooling) POWEREDGE-FOUNDATIONS-V2 Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   Compared to air cooling, what is a primary advantage of direct liquid cooling (DLC) in high-density PowerEdge deployments?

   • AIt is always less expensive to implement than air cooling
   • BIt requires no maintenance once installed
   • CIt eliminates the need for any cooling infrastructure
   • DIt can remove more heat per unit volume, enabling higher component density
   Reveal Solution Discussion Select an answer first
2. 17foundation · easy

   What action does a PowerEdge server typically take if a critical thermal threshold is exceeded?

   • AIt increases the fan speed to maximum and continues normal operation
   • BIt automatically switches to liquid cooling
   • CIt ignores the condition and continues running until the next reboot
   • DIt shuts down or throttles performance to prevent damage
   Reveal Solution Discussion Select an answer first
4. 18expert · hard

   A data center operator is comparing air cooling, direct liquid cooling (DLC), and immersion cooling for a new deployment of PowerEdge servers. The facility has a limited budget and the servers will run a mix of CPU and GPU workloads. The operator wants to minimize energy consumption while keeping the deployment cost reasonable. Which approach should they choose?

   • AAir cooling for all nodes
   • BDLC for all nodes
   • CAir cooling for CPU nodes and DLC for GPU nodes
   • DImmersion cooling for all nodes
   Reveal Solution Discussion Select an answer first
5. 19foundation · easy

   What is the role of the coolant distribution unit (CDU) in a Direct Liquid Cooling system for PowerEdge servers?

   • ATo circulate and manage the coolant flow to the cold plates
   • BTo replace the need for fans entirely in the server
   • CTo convert liquid coolant into air for cooling
   • DTo store the server's data in a liquid medium
   Reveal Solution Discussion Select an answer first
6. 20application · medium

   A system administrator is troubleshooting a PowerEdge R650 server that is running hot. The server is in a rack with several other servers, and the ambient temperature is within the recommended range. The administrator notices that the server's fans are running at high speed. Which action is most likely to improve cooling?

   • AIncrease the server's fan speed manually
   • BInstall blanking panels in unused rack spaces
   • CMove the server to the top of the rack
   • DDisable the server's thermal monitoring
   Reveal Solution Discussion Select an answer first