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

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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: 330 Q&A's Shared By: annabella
Question 52

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 53

A Machine Learning Specialist is configuring automatic model tuning in Amazon SageMaker

When using the hyperparameter optimization feature, which of the following guidelines should be followed to improve optimization?

Choose the maximum number of hyperparameters supported by

Options:

A.

Amazon SageMaker to search the largest number of combinations possible

B.

Specify a very large hyperparameter range to allow Amazon SageMaker to cover every possible value.

C.

Use log-scaled hyperparameters to allow the hyperparameter space to be searched as quickly as possible

D.

Execute only one hyperparameter tuning job at a time and improve tuning through successive rounds of experiments

Discussion
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Question 54

A machine learning (ML) specialist wants to secure calls to the Amazon SageMaker Service API. The specialist has configured Amazon VPC with a VPC interface endpoint for the Amazon SageMaker Service API and is attempting to secure traffic from specific sets of instances and IAM users. The VPC is configured with a single public subnet.

Which combination of steps should the ML specialist take to secure the traffic? (Choose two.)

Options:

A.

Add a VPC endpoint policy to allow access to the IAM users.

B.

Modify the users' IAM policy to allow access to Amazon SageMaker Service API calls only.

C.

Modify the security group on the endpoint network interface to restrict access to the instances.

D.

Modify the ACL on the endpoint network interface to restrict access to the instances.

E.

Add a SageMaker Runtime VPC endpoint interface to the VPC.

Discussion
Question 55

A Machine Learning Specialist is building a logistic regression model that will predict whether or not a person will order a pizza. The Specialist is trying to build the optimal model with an ideal classification threshold.

What model evaluation technique should the Specialist use to understand how different classification thresholds will impact the model's performance?

Options:

A.

Receiver operating characteristic (ROC) curve

B.

Misclassification rate

C.

Root Mean Square Error (RM&)

D.

L1 norm

Discussion
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