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Amazon Web Services Updated MLS-C01 Exam Questions and Answers by alexandru

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Amazon Web Services MLS-C01 Exam Overview :

Exam Name: AWS Certified Machine Learning - Specialty
Exam Code: MLS-C01 Dumps
Vendor: Amazon Web Services Certification: AWS Certified Specialty
Questions: 322 Q&A's Shared By: alexandru
Question 56

A company wants to predict stock market price trends. The company stores stock market data each business day in Amazon S3 in Apache Parquet format. The company stores 20 GB of data each day for each stock code.

A data engineer must use Apache Spark to perform batch preprocessing data transformations quickly so the company can complete prediction jobs before the stock market opens the next day. The company plans to track more stock market codes and needs a way to scale the preprocessing data transformations.

Which AWS service or feature will meet these requirements with the LEAST development effort over time?

Options:

A.

AWS Glue jobs

B.

Amazon EMR cluster

C.

Amazon Athena

D.

AWS Lambda

Discussion
Question 57

A manufacturing company has a production line with sensors that collect hundreds of quality metrics. The company has stored sensor data and manual inspection results in a data lake for several months. To automate quality control, the machine learning team must build an automated mechanism that determines whether the produced goods are good quality, replacement market quality, or scrap quality based on the manual inspection results.

Which modeling approach will deliver the MOST accurate prediction of product quality?

Options:

A.

Amazon SageMaker DeepAR forecasting algorithm

B.

Amazon SageMaker XGBoost algorithm

C.

Amazon SageMaker Latent Dirichlet Allocation (LDA) algorithm

D.

A convolutional neural network (CNN) and ResNet

Discussion
Question 58

A machine learning (ML) specialist is building a credit score model for a financial institution. The ML specialist has collected data for the previous 3 years of transactions and third-party metadata that is related to the transactions.

After the ML specialist builds the initial model, the ML specialist discovers that the model has low accuracy for both the training data and the test data. The ML specialist needs to improve the accuracy of the model.

Which solutions will meet this requirement? (Select TWO.)

Options:

A.

Increase the number of passes on the existing training data. Perform more hyperparameter tuning.

B.

Increase the amount of regularization. Use fewer feature combinations.

C.

Add new domain-specific features. Use more complex models.

D.

Use fewer feature combinations. Decrease the number of numeric attribute bins.

E.

Decrease the amount of training data examples. Reduce the number of passes on the existing training data.

Discussion
Question 59

A machine learning (ML) specialist needs to extract embedding vectors from a text series. The goal is to provide a ready-to-ingest feature space for a data scientist to develop downstream ML predictive models. The text consists of curated sentences in English. Many sentences use similar words but in different contexts. There are questions and answers among the sentences, and the embedding space must differentiate between them.

Which options can produce the required embedding vectors that capture word context and sequential QA information? (Choose two.)

Options:

A.

Amazon SageMaker seq2seq algorithm

B.

Amazon SageMaker BlazingText algorithm in Skip-gram mode

C.

Amazon SageMaker Object2Vec algorithm

D.

Amazon SageMaker BlazingText algorithm in continuous bag-of-words (CBOW) mode

E.

Combination of the Amazon SageMaker BlazingText algorithm in Batch Skip-gram mode with a custom recurrent neural network (RNN)

Discussion
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