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Amazon MLA-C01 Exam Syllabus Topics:

Topic	Details
Topic 1	Deployment and Orchestration of ML Workflows: This section of the exam measures skills of Forensic Data Analysts and focuses on deploying machine learning models into production environments. It covers choosing the right infrastructure, managing containers, automating scaling, and orchestrating workflows through CI CD pipelines. Candidates must be able to build and script environments that support consistent deployment and efficient retraining cycles in real-world fraud detection systems.
Topic 2	ML Solution Monitoring, Maintenance, and Security: This section of the exam measures skills of Fraud Examiners and assesses the ability to monitor machine learning models, manage infrastructure costs, and apply security best practices. It includes setting up model performance tracking, detecting drift, and using AWS tools for logging and alerts. Candidates are also tested on configuring access controls, auditing environments, and maintaining compliance in sensitive data environments like financial fraud detection.
Topic 3	ML Model Development: This section of the exam measures skills of Fraud Examiners and covers choosing and training machine learning models to solve business problems such as fraud detection. It includes selecting algorithms, using built-in or custom models, tuning parameters, and evaluating performance with standard metrics. The domain emphasizes refining models to avoid overfitting and maintaining version control to support ongoing investigations and audit trails.
Topic 4	Data Preparation for Machine Learning (ML): This section of the exam measures skills of Forensic Data Analysts and covers collecting, storing, and preparing data for machine learning. It focuses on understanding different data formats, ingestion methods, and AWS tools used to process and transform data. Candidates are expected to clean and engineer features, ensure data integrity, and address biases or compliance issues, which are crucial for preparing high-quality datasets in fraud analysis contexts.

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Amazon AWS Certified Machine Learning Engineer - Associate Sample Questions (Q10-Q15):

NEW QUESTION # 10
An ML engineering team has a data processing pipeline that ingests sensor data from IoT devices into an Amazon S3 bucket. The pipeline then processes the data by using AWS Glue extract, transform, and load (ETL) jobs for ML modeling. The team noticed throttling errors in the ETL jobs. The data ingestion process has also been slower than normal.
What is the cause of the problem?

A. The AWS Glue execution role is missing Amazon S3 permissions.
B. The AWS Glue service quotas have been reached.
C. The AWS Glue ETL jobs are not optimized for parallel processing.
D. The network bandwidth between the IoT devices and the AWS Region is insufficient.

Answer: B

Explanation:
The correct answer is A. The AWS Glue service quotas have been reached. AWS Glue is commonly used in ML data preparation pipelines to perform ETL operations before model training or feature engineering. When AWS Glue workloads exceed account-level or Region-level service quotas, jobs can be delayed, queued, throttled, or fail. AWS documentation states that AWS Glue has service quotas, also called limits, for resources and operations in each account and Region. These include quotas for concurrent compute capacity measured in DPUs, crawlers, jobs, triggers, queued job runs, and other Glue resources.
The key clue in the question is "throttling errors in the ETL jobs." AWS specifically explains that Glue API requests are throttled on a per-account, per-Region basis to maintain service performance. If the team is running many jobs, processing a large amount of sensor data, or starting too many Glue job runs concurrently, the workload can exceed the permitted quota and cause throttling.
Option B is less likely because insufficient network bandwidth between IoT devices and the AWS Region would mainly explain slower ingestion into S3, but it would not directly explain AWS Glue ETL throttling errors. Option C might cause poor job performance, but lack of parallel optimization usually causes long runtimes, not service-level throttling. Option D is incorrect because missing Amazon S3 permissions would typically cause access-denied or authorization failures, not throttling. Therefore, the best cause is that the AWS Glue service quotas, such as concurrent job runs, API rate limits, or DPU capacity limits, have been reached.

NEW QUESTION # 11
An ML engineer wants to re-train an XGBoost model at the end of each month. A data team prepares the training data. The training dataset is a few hundred megabytes in size. When the data is ready, the data team stores the data as a new file in an Amazon S3 bucket.
The ML engineer needs a solution to automate this pipeline. The solution must register the new model version in Amazon SageMaker Model Registry within 24 hours.
Which solution will meet these requirements?

A. Create an S3 Lifecycle rule to start the pipeline every time a new object is uploaded to the S3 bucket.
B. Create an Amazon CloudWatch rule that runs on a schedule to start the pipeline every 30 days.
C. Create an Amazon EventBridge rule to start an AWS Step Functions TrainingStep every time a new object is uploaded to the S3 bucket.
D. Create an AWS Lambda function that runs one time each week to poll the S3 bucket for new files.
Invoke the Lambda function asynchronously. Configure the Lambda function to start the pipeline if the function detects new data.

Answer: C

Explanation:
The requirement is event-driven automation when new data arrives in Amazon S3, followed by training and model registration. Amazon EventBridge natively supports S3 object creation events and can trigger downstream workflows immediately.
By using EventBridge to start an AWS Step Functions workflow that includes a training step and a SageMaker Model Registry registration step, the pipeline runs automatically as soon as new data is uploaded-well within the 24-hour requirement.
Option A introduces unnecessary polling and delay. Option B is time-based and does not ensure alignment with data readiness. Option C is invalid because S3 Lifecycle rules manage object transitions, not workflow execution.
Therefore, EventBridge-triggered Step Functions is the correct solution.

NEW QUESTION # 12
An ML engineer trained an ML model on Amazon SageMaker to detect automobile accidents from dosed- circuit TV footage. The ML engineer used SageMaker Data Wrangler to create a training dataset of images of accidents and non-accidents.
The model performed well during training and validation. However, the model is underperforming in production because of variations in the quality of the images from various cameras.
Which solution will improve the model's accuracy in the LEAST amount of time?

A. Collect more images from all the cameras. Use Data Wrangler to prepare a new training dataset.
B. Recreate the training dataset by using the Data Wrangler enhance image contrast transform. Specify the Gamma contrast option.
C. Recreate the training dataset by using the Data Wrangler corrupt image transform. Specify the impulse noise option.
D. Recreate the training dataset by using the Data Wrangler resize image transform. Crop all images to the same size.

Answer: C

Explanation:
The model is underperforming in production due to variations in image quality from different cameras. Using the corrupt image transform with the impulse noise option in SageMaker Data Wrangler simulates real-world noise and variations in the training dataset. This approach helps the model become more robust to inconsistencies in image quality, improving its accuracy in production without the need to collect and process new data, thereby saving time.

NEW QUESTION # 13
A company runs an Amazon SageMaker domain in a public subnet of a newly created VPC. The network is configured properly, and ML engineers can access the SageMaker domain.
Recently, the company discovered suspicious traffic to the domain from a specific IP address. The company needs to block traffic from the specific IP address.
Which update to the network configuration will meet this requirement?

A. Create a network ACL inbound rule to deny traffic from the specific IP address. Assign the rule to the default network Ad for the subnet where the domain is located.
B. Create a shadow variant for the domain. Configure SageMaker Inference Recommender to send traffic from the specific IP address to the shadow endpoint.
C. Create a security group inbound rule to deny traffic from the specific IP address. Assign the security group to the domain.
D. Create a VPC route table to deny inbound traffic from the specific IP address. Assign the route table to the domain.

Answer: A

Explanation:
Network ACLs (Access Control Lists) operate at the subnet level and allow for rules to explicitly deny traffic from specific IP addresses. By creating an inbound rule in the network ACL to deny traffic from the suspicious IP address, the company can block traffic to the Amazon SageMaker domain from that IP. This approach works because network ACLs are evaluated before traffic reaches the security groups, making them effective for blocking traffic at the subnet level.

NEW QUESTION # 14
An ML engineering team is spread across multiple locations. When the lead ML engineer opens an Amazon SageMaker AI notebook, the ML engineer does not see the latest merged notebook made by other team members from a Git repository.
The lead ML engineer must see the latest SageMaker AI notebook updates.
Which solution will meet this requirement?

A. Run the !git branch command.
B. Run the !git pull origin master command.
C. Run the !git commit command.
D. Run the !git push origin master command.

Answer: B

NEW QUESTION # 15
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