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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...
Which reconstruction approach should the Specialist use to preserve the integrity of the dataset?
An online reseller has a large, multi-column dataset with one column missing 30% of its data A Machine Learning Specialist believes that certain columns in the dataset could be used to reconstruct the missing data. Which reconstruction approach should the Specialist use to preserve the integrity of the dataset?A ....
When using the hyperparameter optimization feature, which of the following guidelines should be followed to improve optimization?
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 byA . Amazon SageMaker to search the largest number of combinations possibleB . Specify...
What option can the Specialist use to determine whether it is overestimating or underestimating the target value?
A Machine Learning Specialist trained a regression model, but the first iteration needs optimizing. The Specialist needs to understand whether the model is more frequently overestimating or underestimating the target. What option can the Specialist use to determine whether it is overestimating or underestimating the target value?A . Root Mean...
Which services should the Specialist use?
A Machine Learning Specialist working for an online fashion company wants to build a data ingestion solution for the company's Amazon S3-based data lake. The Specialist wants to create a set of ingestion mechanisms that will enable future capabilities comprised of: • Real-time analytics • Interactive analytics of historical data...
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...
Which solution requires the LEAST coding effort?
A company is running a machine learning prediction service that generates 100 TB of predictions every day A Machine Learning Specialist must generate a visualization of the daily precision-recall curve from the predictions, and forward a read-only version to the Business team. Which solution requires the LEAST coding effort?A ....
For the given confusion matrix, what is the recall and precision of the model?
For the given confusion matrix, what is the recall and precision of the model? A . Recall = 0.92 Precision = 0.84B . Recall = 0.84 Precision = 0.8C . Recall = 0.92 Precision = 0.8D . Recall = 0.8 Precision = 0.92View AnswerAnswer: C Explanation: Recall and precision are...
Which solution should the agency consider?
An office security agency conducted a successful pilot using 100 cameras installed at key locations within the main office. Images from the cameras were uploaded to Amazon S3 and tagged using Amazon Rekognition, and the results were stored in Amazon ES. The agency is now looking to expand the pilot...
What should the Specialist do to initialize the model to re-train it with the custom data?
A Machine Learning Specialist is training a model to identify the make and model of vehicles in images The Specialist wants to use transfer learning and an existing model trained on images of general objects The Specialist collated a large custom dataset of pictures containing different vehicle makes and models....
