1
AWS Certified Machine Learning Specialty
(MLS-C01) Exam Questions with 100%
Correct Answer 2025
It is defined as "the ratio of correct predictions to total
predictions made".
Accuracy
It is a popular technique that aims to reduce high-
dimensional data into low-dimensional data, while preserving
useful information for prediction.
Principal Component Analysis
An Amazon SageMaker Algorithm that can be used to solve
classification or regression problems.
Linear Learner
In Amazon SageMaker, ______ mode makes it possible for
training data to be streamed from Amazon S3 directly to your
training instance.
Pipe
A model has a training accuracy of 99% and a validation
accuracy of 68%. This shows that the model is ______.
Overfitting
A visualization technique commonly used to describe the
performance of a classification model.
Confusion matrix
The process of making predictions using a trained model is
known as ______.
Inference
An AWS resource can you attach to CPU-based instances to
accelerate and lower the cost of running deep learning
inference
AWS Elastic Inference
, 2
Helps prevent linear models from overfitting training.
Regularization
It is an interactive query service that makes it easy to analyze
data in Amazon S3 using standard SQL.
Amazon Athena
It simplifies the processing of large volumes of data
efficiently using Apache Hadoop and other services offered
by a popular cloud service provider.
Amazon EMR
A serverless data integration service that simplifies the
process of discovering, preparing, moving, and integrating
data from multiple sources.
AWS Glue
Makes it easy to collect, process, and analyze video and data
streams in real time.
Amazon Kinesis
Extract, transform, and load (ETL) service that reliably
captures, transforms, and delivers streaming data to data
lakes, data stores, and analytics services.
Amazon Kinesis Data Firehose
Scalable, long-lasting, and low-cost streaming data solution
from Amazon
Amazon Kinesis Data Streams
A fully managed Amazon service that enables you to use an
Apache Flink application to process streaming data.
Amazon Managed Service for Apache Flink
This is a fast business analytics service to build
visualizations, perform ad hoc analysis, and quickly get
business insights from your data.
Amazon QuickSigh
It removes the undifferentiated heavy lifting of configuring
and managing the required infrastructure, similar to
traditional batch computing software.
AWS Certified Machine Learning Specialty
(MLS-C01) Exam Questions with 100%
Correct Answer 2025
It is defined as "the ratio of correct predictions to total
predictions made".
Accuracy
It is a popular technique that aims to reduce high-
dimensional data into low-dimensional data, while preserving
useful information for prediction.
Principal Component Analysis
An Amazon SageMaker Algorithm that can be used to solve
classification or regression problems.
Linear Learner
In Amazon SageMaker, ______ mode makes it possible for
training data to be streamed from Amazon S3 directly to your
training instance.
Pipe
A model has a training accuracy of 99% and a validation
accuracy of 68%. This shows that the model is ______.
Overfitting
A visualization technique commonly used to describe the
performance of a classification model.
Confusion matrix
The process of making predictions using a trained model is
known as ______.
Inference
An AWS resource can you attach to CPU-based instances to
accelerate and lower the cost of running deep learning
inference
AWS Elastic Inference
, 2
Helps prevent linear models from overfitting training.
Regularization
It is an interactive query service that makes it easy to analyze
data in Amazon S3 using standard SQL.
Amazon Athena
It simplifies the processing of large volumes of data
efficiently using Apache Hadoop and other services offered
by a popular cloud service provider.
Amazon EMR
A serverless data integration service that simplifies the
process of discovering, preparing, moving, and integrating
data from multiple sources.
AWS Glue
Makes it easy to collect, process, and analyze video and data
streams in real time.
Amazon Kinesis
Extract, transform, and load (ETL) service that reliably
captures, transforms, and delivers streaming data to data
lakes, data stores, and analytics services.
Amazon Kinesis Data Firehose
Scalable, long-lasting, and low-cost streaming data solution
from Amazon
Amazon Kinesis Data Streams
A fully managed Amazon service that enables you to use an
Apache Flink application to process streaming data.
Amazon Managed Service for Apache Flink
This is a fast business analytics service to build
visualizations, perform ad hoc analysis, and quickly get
business insights from your data.
Amazon QuickSigh
It removes the undifferentiated heavy lifting of configuring
and managing the required infrastructure, similar to
traditional batch computing software.