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NCP-AII AI Infrastructure professional (NCP-AII) - Nvidia Exam Questions

Last updated on July 22, 2026

97% Exam Compliance
70 Total Questions
1
Question
After NCCL burn-in reports "transport retry count exceeded," which corrective action addresses the underlying fabric issue?
Options
A Reduce message size to decrease network utilization
B Increase NCCL_IB_TIMEOUT to tolerate longer latencies
C Switch from Ring to Tree algorithms via NCCL_ALGO=TREE
D Inspect InfiniBand link quality metrics (BER, symbol errors) and replace faulty cables
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2
Question
An engineer needs to verify NVLink isolation on a single node with 8 GPUs. Which NCCL test configuration stresses switch bisection bandwidth?
Options
A Use all_reduce_perf -b 8 -e 16G -f 2 -g 8 with NCCL_TESTS_SPLIT="AND 0x1"
B Use NCCL_TESTS_SPLIT="DIV 8" with point-to-point tests
C Use all_reduce_perf -b 8 -e 16G -f 2 -g 8 without splits
D Use reduce_scatter_perf -b 8 -e 16G -f 2 -g 4
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3
Question
When updating the firmware on an NVLink switch transceiver, how can an engineer apply new firmware without interrupting the network?
Options
A Physically disconnect and reconnect the transceiver.
B flint -d -lid 27 --linkx --linkx_auto_update --activate
C nv action reboot system to force immediate activation.
D mlxfwreset -d -lid 27 reset --yes to reset the transceiver
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4
Question
A system administrator is installing a GPU into a server and needs to avoid damaging the device.

What item should be used?
Options
A Gloves
B Anti-ESD strap
C Protective film
D Electric screwdriver
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5
Question
For a 48-hour NCCL burn-in test, which parameters ensure sustained fabric stress while detecting
silent data corruption?
Options
A all_reduce_perf -b 8G -e 32G -c 1000 -z 1 -G 1000
B broadcast_perf -b 4G -e 16G -w 160
C all_reduce_perf -b 8G -e 32G -z 1 -G 1000
D reduce_scatter_perf -f 2 -g 8
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