Exam NCP-AII Topic 3 Question 46 Discussion

Actual exam question for NVIDIA's NCP-AII exam
Question #: 46
Topic #: 3

After successfully installing the NVIDIA Container Toolkit and configuring Docker, you're attempting to build a container image that leverages the GPU. You're using a Dockerfile but encounter the following error during the 'docker build' process: 'error during connect: this error may indicate that the docker daemon is not running'. However, the Docker daemon IS running. What is the most likely reason the build process is failing to connect, specifically in the context of GPU-enabled containers?

A. The Docker daemon does not have sufficient permissions to access the NVIDIA GPUs. B. The user executing the 'docker builcf command does not belong to the 'docker' group. C. The -gpus all' flag (or similar) needs to be passed to the 'docker build' command to enable GPU access during the build process, as it is needed for building images that require cuda. D. The Docker daemon is configured to use a different networking driver than the one expected by the NVIDIA Container Toolkit. E. The container requires more memory than the host is providing and the docker build command exited due to OOM.

Suggested Answer: C Vote an answer

The error 'error during connect: this error may indicate that the docker daemon is not running' during a 'docker build', when the daemon actually is running, can indicate a failure to connect to the daemon for a specific reason related to GPU access. 'docker build' requires - gpus all' to be passed in order for CUDA to correctly build the image. Permissions(A) are unlikely to cause this specific connection error. User group issues(B) are usually related to running containers, not building them. A networking issue (D) is possible but less likely in the context of a local build. The same can be said for container exceeding the hosts' available memory.

by Enoch at Apr 20, 2026, 07:18 PM

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