MLS-C01 Practice Question: Machine Learning Implementation and Operations
A machine learning team is using Amazon SageMaker to train a model with a custom algorithm packaged in a Docker container. The training job fails with the error 'Error: Unable to locate sagemaker-training toolkit.' What is the MOST likely cause?
⚠ Common exam trap
Many exam-takers confuse missing dependencies with network or permission issues, but the specific error message 'Unable to locate sagemaker-training toolkit' directly points to the absence of the required SageMaker Training Toolkit package inside the container.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The container does not include the SageMaker Training Toolkit
The SageMaker Training Toolkit is a required library that provides the interface between SageMaker and custom Docker containers for training jobs. When a custom container does not include this toolkit, SageMaker cannot execute the training script or communicate with the container, resulting in the 'Unable to locate sagemaker-training toolkit' error. This is a mandatory dependency for any custom training container used with SageMaker.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The container does not have internet access to download dependencies
Why it's wrong here
The toolkit should be included in the image, not downloaded at runtime.
- ✗
The instance type is incompatible with the container
Why it's wrong here
Incompatibility would cause a different error.
- ✗
The training role does not have permissions to access the container repository
Why it's wrong here
That would cause a different error.
- ✓
The container does not include the SageMaker Training Toolkit
Why this is correct
The toolkit must be installed in the Docker image.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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