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MLA-C01 Practice Question: After deploying a model to a SageMaker endpoint,…
After deploying a model to a SageMaker endpoint, the operations team notices high inference latency. They suspect it is due to insufficient instance capacity. Which first step should they take to diagnose the issue?
⚠ Common exam trap
It's easy for candidates to confuse SageMaker Debugger (for training debugging) with inference monitoring tools, or they assume CloudTrail can provide performance metrics, when in fact CloudWatch is the correct service for real-time endpoint health and capacity diagnostics.
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
✓
Review Amazon CloudWatch metrics for the endpoint, such as CPUUtilization and Invocations.
Amazon CloudWatch metrics for a SageMaker endpoint, such as `CPUUtilization`, `MemoryUtilization`, and `Invocations`, directly indicate whether the instance is overloaded. High `CPUUtilization` combined with a high `Invocations` count and increased latency strongly suggests insufficient instance capacity. This is the standard first diagnostic step for capacity-related performance issues.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Check AWS CloudTrail logs for API errors.
Why it's wrong here
CloudTrail logs API calls, not performance metrics.
- ✗
Use Amazon SageMaker Debugger to analyze inference performance.
Why it's wrong here
SageMaker Debugger is for training jobs, not inference endpoints.
- ✓
Review Amazon CloudWatch metrics for the endpoint, such as CPUUtilization and Invocations.
Why this is correct
CloudWatch metrics can indicate resource saturation and latency.
- ✗
Retrain the model with more training data.
Why it's wrong here
Retraining may not improve inference latency if capacity is the issue.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This MLA-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the MLA-C01 exam.