Crucial Exams

CompTIA Server+ SK0-005 Practice Question

A 2U rack-mount server is being upgraded with two single-wide NVIDIA T4 GPUs that install into PCIe Gen3 x16 riser slots. The power budget, cabling, and physical clearance have all been verified. After the cards are inserted, the server halts during POST with an error indicating that insufficient MMIO resources are available and the GPUs are not detected. Which UEFI/BIOS setting should the administrator enable before the next power-on to allow the server to enumerate the new GPUs successfully?

  • Force every PCIe slot to operate at Gen1 link speed.

  • Enable the Memory-mapped I/O above 4 GB ("Above 4G decoding") option.

  • Disable Secure Boot in the UEFI firmware.

  • Turn off SR-IOV for all PCIe slots.

CompTIA Server+ SK0-005
Server Hardware Installation and Management
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