What should the Specialist do to address the performance issues with the current solution?

A Machine Learning Specialist observes several performance problems with the training portion of a machine learning solution on Amazon SageMaker. The solution uses a large training dataset 2 TB in size and is using the SageMaker k-means algorithm. The observed issues include the unacceptable length of time it takes before...

April 15, 2025 No Comments READ MORE +

How should the Data Scientist correct this issue?

A Data Scientist is developing a machine learning model to predict future patient outcomes based on information collected about each patient and their treatment plans. The model should output a continuous value as its prediction. The data available includes labeled outcomes for a set of 4,000 patients. The study was...

April 14, 2025 No Comments READ MORE +

What should the Specialist do to ensure better convergence during backpropagation?

While working on a neural network project, a Machine Learning Specialist discovers that some features in the data have very high magnitude resulting in this data being weighted more in the cost function. What should the Specialist do to ensure better convergence during backpropagation?A . Dimensionality reductionB . Data normalizationC...

April 13, 2025 No Comments READ MORE +

Which tool should be used to improve the validation accuracy?

A Data Scientist is working on an application that performs sentiment analysis. The validation accuracy is poor and the Data Scientist thinks that the cause may be a rich vocabulary and a low average frequency of words in the dataset Which tool should be used to improve the validation accuracy?A...

April 9, 2025 No Comments READ MORE +

What actions would allow the Specialist to get relevant numerical representations?

A Machine Learning Specialist is developing recommendation engine for a photography blog Given a picture, the recommendation engine should show a picture that captures similar objects. The Specialist would like to create a numerical representation feature to perform nearest-neighbor searches What actions would allow the Specialist to get relevant numerical...

April 9, 2025 No Comments READ MORE +

Which approach will provide the information required for further analysis?

Amazon Connect has recently been tolled out across a company as a contact call center. The solution has been configured to store voice call recordings on Amazon S3 The content of the voice calls are being analyzed for the incidents being discussed by the call operators Amazon Transcribe is being...

April 7, 2025 No Comments READ MORE +

Which of the following will accomplish this?

A company is observing low accuracy while training on the default built-in image classification algorithm in Amazon SageMaker. The Data Science team wants to use an Inception neural network architecture instead of a ResNet architecture. Which of the following will accomplish this? (Select TWO.)A . Customize the built-in image classification...

April 6, 2025 No Comments READ MORE +

What combination of services is the MOST efficient to accomplish the task?

An employee found a video clip with audio on a company's social media feed. The language used in the video is Spanish. English is the employee's first language, and they do not understand Spanish. The employee wants to do a sentiment analysis. What combination of services is the MOST efficient...

April 4, 2025 No Comments READ MORE +

What should the Specialist do to meet these requirements?

An interactive online dictionary wants to add a widget that displays words used in similar contexts. A Machine Learning Specialist is asked to provide word features for the downstream nearest neighbor model powering the widget. What should the Specialist do to meet these requirements?A . Create one-hot word encoding vectors.B...

April 4, 2025 No Comments READ MORE +

How should a Machine Learning Specialist address this issue for future documents?

A company is using Amazon Polly to translate plaintext documents to speech for automated company announcements However company acronyms are being mispronounced in the current documents. How should a Machine Learning Specialist address this issue for future documents?A . Convert current documents to SSML with pronunciation tagsB . Create an...

April 3, 2025 No Comments READ MORE +