NVIDIA NCP-AIN Exam Practice Questions
US$39
Every question with the correct answer and why the other options are wrong.
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The NCP-AIN exam required careful study, but practice questions and a good study guide helped me a lot. I was able to focus on essential topics and passed successfully.
Three of the 111 questions in this pack
Question 1
How is congestion evaluated in an NVIDIA Spectrum-X system?
Show answer and explanation
Correct answer: B. By analyzing the egress queue loads ensuring all ports are well-balanced.
Congestion in NVIDIA Spectrum-X systems is evaluated by analyzing egress queue loads to ensure all ports maintain balanced traffic distribution. This method directly measures the actual data flow and queue depths at switch egress points, which is the standard approach for detecting and assessing network congestion in modern switching architectures.
Why the other options are wrong
- A. Physical distance between devices does not determine congestion; congestion is a function of data queue buildup, not topology layout.
- C. CPU and power usage monitoring indicates device health but does not directly measure network congestion levels.
- D. The number of connected devices is unrelated to congestion; congestion depends on active traffic loads and queue states, not device count.
Question 2
You’re troubleshooting a Spectrum-X network and notice that the System Status LED on a switch is blinking for more than 5 minutes. What is the most likely cause of this issue?
Show answer and explanation
Correct answer: B. The Onyx software did not boot properly.
A System Status LED blinking for more than 5 minutes on a Spectrum-X switch indicates that the Onyx software did not boot properly. This persistent blinking pattern is the defined diagnostic indicator for software initialization failures, distinguishing it from brief LED flickers that might occur during normal startup.
Why the other options are wrong
- A. Overheating typically triggers different alarm mechanisms and thermal shutdown procedures rather than a prolonged blinking status LED.
- C. A failing power supply would likely result in the switch losing power entirely or exhibiting a solid red LED rather than a blinking status indicator.
Question 3
In Cumulus Linux, which technology enables the ability to provide active-active redundancy to servers, without the need for direct inter-switch links?
Show answer and explanation
Correct answer: A. EVPN Multi homing
EVPN Multi-homing enables active-active redundancy to servers without requiring direct inter-switch links. This technology uses BGP EVPN to manage multi-homing across distributed switches, allowing servers to maintain simultaneous active connections to multiple switches while the fabric handles traffic distribution and failover without dedicated peer links.
Why the other options are wrong
- B. VSS (Virtual Switching System) is a Cisco technology not native to Cumulus Linux and requires direct inter-switch links for operation.
- C. MLAG (Multi-Chassis Link Aggregation) requires direct inter-switch peer links to function, which contradicts the requirement of no direct inter-switch links.
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How much of the NVIDIA NCP-AIN bank is free?
111 questions in the bankEach step includes the one before, so buying only adds new questions.
- You are here10questionsFree sampleThree on this page, all ten as a PDF.Download the sample
- 1816% of the bankPractice pageFree on the site, every answer explained.Go to the practice page
- 3532% of the bankHalf PackFree by email, as one PDF, every answer explained.Get the Half Pack
- 111100%, the whole bankFull pack, US$39Plus the questions-only PDF, monthly updates, refund if you fail.Get the full pack
What’s in the NVIDIA NCP-AIN pack
- 111 questions mapped to the NCP-AIN exam blueprint, across all six domains
- Answers and explanations for every question, including why each wrong option is wrong
- A questions-only PDF for timed practice runs
- Delivered by email shortly after checkout
- Free monthly updates for as long as the exam is live
- Pass or your money back
An NCP-AIN attempt costs US$400. This pack is US$39, paid once.
What makes the NCP-AIN hard
NCP-AIN is the networking exam in NVIDIA's professional tier, and the one where a conventional data centre networking background helps least. The blueprint is split down the middle between Spectrum-X Ethernet and InfiniBand, and the questions assume both have been configured for GPU-to-GPU traffic. NVIDIA expanded the exam in 2026 to 70 to 75 questions in 120 minutes, up from around 65 in 90, so the current form is longer and denser than older prep material suggests.
NVIDIA Spectrum Networking and NVIDIA InfiniBand Networking are 30% each. Spectrum covers configuring Spectrum-X switches for RoCE, enabling and verifying QoS, ECN and PFC, adaptive routing and telemetry, BGP-EVPN for multi-tenancy, NVIDIA Air for simulation, diagnosing congestion and packet loss with in-band telemetry and What Just Happened, NetQ monitoring, and installing DOCA to configure SuperNIC packet processing and congestion control. InfiniBand covers initial configuration and provisioning with high availability, partition keys for secure multi-tenancy, QoS and adaptive routing, and UFM for link status and bandwidth utilisation.
Troubleshooting Tools is 20% and covers cl-resource-query, WJH event analysis, verifying low-latency interconnects between GPUs, CPUs and storage, UFM system health, and the ib_write_lat, ib_write_bw, ibping, ibstat, ibdiagnet, ibnodes and iblinkinfo command set. Automation and Configuration is 10%, and AI Data Center Design and Kubernetes Integration are 5% each. Know what a healthy ibdiagnet run looks like: several questions show output and ask what is wrong.
About the exam
NCP-AIN (NVIDIA-Certified Professional: AI Networking) is an intermediate-level certification validating the ability to deploy and configure NVIDIA networking for AI workloads: AI data centre design, Spectrum-X Ethernet, InfiniBand, Kubernetes integration, troubleshooting tools and automation. NVIDIA recommends two to three years of data centre experience with NVIDIA hardware.
Questions before you buy
How quickly do I receive it?
Your PDF is prepared and sent to your email address after checkout, and you get a confirmation as soon as it is on its way.
Are updates included?
Yes. The pack is updated every month for as long as the exam is live, and updates are free for everyone who has bought it.
What if I fail the exam?
We refund the pack, or swap it for any other pack if you would rather keep studying. Sit the exam 7 to 30 days after buying, then send your official score report within 7 days of the exam date, as set out in the refund policy.
What is your pass rate?
99% of customers who prepare with a CertStash pack pass. If you do not, we refund the pack, or swap it for another pack.
Can I share it with colleagues?
Each purchase is licensed to one person. For a team, school or training organisation, email support@certstash.com for a licence that fits.
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Brynleigh Sparks –
The NCP-AIN exam required careful study, but practice questions and a good study guide helped me a lot. I was able to focus on essential topics and passed successfully.