Question 1

After configuring NGC CLI with ngc config set, a user receives Authentication failed errors whenpulling containers. What step was most likely omitted?

Options :

A : Installing the CLI with apt-get instead of manual extraction.

B : Entering the API key during ngc config set or storing it in ~/.ngc/config.

C : Setting --format_type=json to enable API interactions.

D : Running sudo systemctl restart docker after configuration.

Answer: B

Question 2

For an NVIDIA Enterprise AI Factory with 256 GPUs, which storage solution characteristic is mostcritical to validate during scaling tests?

Options :

A : Consistent per-node throughput >8 GiB/s.

B : Single-node write performance during idle clusters.

C : RAID rebuild times under disk failure.

D : Maximum 4K random read IOPS exceeding 1 million.

Answer: A

Question 3

A company has a registered NGC account and their server has NGC CLI installed. What step should betaken first to gain access to NGC?

Options :

A : ngc config get

B : ngc init

C : ngc config set

D : ngc config update

Answer: C

Question 4

After running a 24-hour stress test on a DGX node, the administrator should verify which two keymetrics to ensure system stability?

Options :

A : Average CPU usage >80% and Docker container uptime.

B : No thermal throttling events and consistent GPU utilization >95% throughout the test.

C : SSD write endurance and RAM capacity.

D : Total energy consumption and NVLink bandwidth.

Answer: B

Question 5

After NCCL burn-in reports "transport retry count exceeded," which corrective action addresses theunderlying fabric issue?

Options :

A : Switch from Ring to Tree algorithms via NCCL_ALGO=TREE

B : Reduce message size to decrease network utilization

C : Increase NCCL_IB_TIMEOUT to tolerate longer latencies

D : Inspect InfiniBand link quality metrics (BER, symbol errors) and replace faulty cables

Answer: D