Google Google Certifications PROFESSIONAL-MACHINE-LEARNING-ENGINEER Questions & Answers

• Question 201:

  You are developing a process for training and running your custom model in production. You need to be able to show lineage for your model and predictions. What should you do?

  A. 1. Create a Vertex AI managed dataset.

  2.

  Use a Vertex AI training pipeline to train your model.

  3.

  Generate batch predictions in Vertex AI.

  B. 1. Use a Vertex AI Pipelines custom training job component to tram your model.

  2. Generate predictions by using a Vertex AI Pipelines model batch predict component.

  C. 1. Upload your dataset to BigQuery.

  2.

  Use a Vertex AI custom training job to train your model.

  3.

  Generate predictions by using Vertex Al SDK custom prediction routines.

  D. 1. Use Vertex AI Experiments to train your model.

  2.

  Register your model in Vertex AI Model Registry.

  3.

  Generate batch predictions in Vertex AI.

  Correct Answer: D

• Question 202:

  You work for a hotel and have a dataset that contains customers’ written comments scanned from paper-based customer feedback forms, which are stored as PDF files. Every form has the same layout. You need to quickly predict an overall satisfaction score from the customer comments on each form. How should you accomplish this task?

  A. Use the Vision API to parse the text from each PDF file. Use the Natural Language API analyzeSentiment feature to infer overall satisfaction scores.

  B. Use the Vision API to parse the text from each PDF file. Use the Natural Language API analyzeEntitySentiment feature to infer overall satisfaction scores.

  C. Uptrain a Document AI custom extractor to parse the text in the comments section of each PDF file. Use the Natural Language API analyzeSentiment feature to infer overall satisfaction scores.

  D. Uptrain a Document AI custom extractor to parse the text in the comments section of each PDF file. Use the Natural Language API analyzeEntitySentiment feature to infer overall satisfaction scores.

  Correct Answer: C

• Question 203:

  You work for a startup that has multiple data science workloads. Your compute infrastructure is currently on-premises, and the data science workloads are native to PySpark. Your team plans to migrate their data science workloads to Google Cloud. You need to build a proof of concept to migrate one data science job to Google Cloud. You want to propose a migration process that requires minimal cost and effort. What should you do first?

  A. Create a n2-standard-4 VM instance and install Java, Scala, and Apache Spark dependencies on it.

  B. Create a Google Kubernetes Engine cluster with a basic node pool configuration, install Java, Scala, and Apache Spark dependencies on it.

  C. Create a Standard (1 master, 3 workers) Dataproc cluster, and run a Vertex AI Workbench notebook instance on it.

  D. Create a Vertex AI Workbench notebook with instance type n2-standard-4.

  Correct Answer: C

• Question 204:

  You work for a bank. You have been asked to develop an ML model that will support loan application decisions. You need to determine which Vertex AI services to include in the workflow. You want to track the model's training parameters and the metrics per training epoch. You plan to compare the performance of each version of the model to determine the best model based on your chosen metrics. Which Vertex AI services should you use?

  A. Vertex ML Metadata, Vertex AI Feature Store, and Vertex AI Vizier

  B. Vertex AI Pipelines, Vertex AI Experiments, and Vertex AI Vizier

  C. Vertex ML Metadata, Vertex AI Experiments, and Vertex AI TensorBoard

  D. Vertex AI Pipelines, Vertex AI Feature Store, and Vertex AI TensorBoard

  Correct Answer: C

• Question 205:

  You work for an auto insurance company. You are preparing a proof-of-concept ML application that uses images of damaged vehicles to infer damaged parts. Your team has assembled a set of annotated images from damage claim documents in the company's database. The annotations associated with each image consist of a bounding box for each identified damaged part and the part name. You have been given a sufficient budget to train models on Google Cloud. You need to quickly create an initial model. What should you do?

  A. Download a pre-trained object detection model from TensorFlow Hub. Fine-tune the model in Vertex AI Workbench by using the annotated image data.

  B. Train an object detection model in AutoML by using the annotated image data.

  C. Create a pipeline in Vertex AI Pipelines and configure the AutoMLTrainingJobRunOp component to train a custom object detection model by using the annotated image data.

  D. Train an object detection model in Vertex AI custom training by using the annotated image data.

  Correct Answer: B

• Question 206:

  You are analyzing customer data for a healthcare organization that is stored in Cloud Storage. The data contains personally identifiable information (PII). You need to perform data exploration and preprocessing while ensuring the security and privacy of sensitive fields. What should you do?

  A. Use the Cloud Data Loss Prevention (DLP) API to de-identify the PII before performing data exploration and preprocessing.

  B. Use customer-managed encryption keys (CMEK) to encrypt the PII data at rest, and decrypt the PII data during data exploration and preprocessing.

  C. Use a VM inside a VPC Service Controls security perimeter to perform data exploration and preprocessing.

  D. Use Google-managed encryption keys to encrypt the PII data at rest, and decrypt the PII data during data exploration and preprocessing.

  Correct Answer: A

• Question 207:

  You are building a predictive maintenance model to preemptively detect part defects in bridges. You plan to use high definition images of the bridges as model inputs. You need to explain the output of the model to the relevant stakeholders so they can take appropriate action. How should you build the model?

  A. Use scikit-learn to build a tree-based model, and use SHAP values to explain the model output.

  B. Use scikit-learn to build a tree-based model, and use partial dependence plots (PDP) to explain the model output.

  C. Use TensorFlow to create a deep learning-based model, and use Integrated Gradients to explain the model output.

  D. Use TensorFlow to create a deep learning-based model, and use the sampled Shapley method to explain the model output.

  Correct Answer: C

• Question 208:

  You work for a hospital that wants to optimize how it schedules operations. You need to create a model that uses the relationship between the number of surgeries scheduled and beds used. You want to predict how many beds will be needed for patients each day in advance based on the scheduled surgeries. You have one year of data for the hospital organized in 365 rows.

  The data includes the following variables for each day:

  1.

  Number of scheduled surgeries

  2.

  Number of beds occupied

  3.

  Date

  You want to maximize the speed of model development and testing. What should you do?

  A. Create a BigQuery table. Use BigQuery ML to build a regression model, with number of beds as the target variable, and number of scheduled surgeries and date features (such as day of week) as the predictors.

  B. Create a BigQuery table. Use BigQuery ML to build an ARIMA model, with number of beds as the target variable, and date as the time variable.

  C. Create a Vertex AI tabular dataset. Train an AutoML regression model, with number of beds as the target variable, and number of scheduled minor surgeries and date features (such as day of the week) as the predictors.

  D. Create a Vertex AI tabular dataset. Train a Vertex AI AutoML Forecasting model, with number of beds as the target variable, number of scheduled surgeries as a covariate and date as the time variable.

  Correct Answer: D

• Question 209:

  You recently developed a wide and deep model in TensorFlow. You generated training datasets using a SQL script that preprocessed raw data in BigQuery by performing instance-level transformations of the data. You need to create a training pipeline to retrain the model on a weekly basis. The trained model will be used to generate daily recommendations. You want to minimize model development and training time. How should you develop the training pipeline?

  A. Use the Kubeflow Pipelines SDK to implement the pipeline. Use the BigQueryJobOp component to run the preprocessing script and the CustomTrainingJobOp component to launch a Vertex AI training job.

  B. Use the Kubeflow Pipelines SDK to implement the pipeline. Use the DataflowPythonJobOp component to preprocess the data and the CustomTrainingJobOp component to launch a Vertex AI training job.

  C. Use the TensorFlow Extended SDK to implement the pipeline Use the ExampleGen component with the BigQuery executor to ingest the data the Transform component to preprocess the data, and the Trainer component to launch a Vertex AI training job.

  D. Use the TensorFlow Extended SDK to implement the pipeline Implement the preprocessing steps as part of the input_fn of the model. Use the ExampleGen component with the BigQuery executor to ingest the data and the Trainer component to launch a Vertex AI training job.

  Correct Answer: A

• Question 210:

  You are training a custom language model for your company using a large dataset. You plan to use the Reduction Server strategy on Vertex AI. You need to configure the worker pools of the distributed training job. What should you do?

  A. Configure the machines of the first two worker pools to have GPUs, and to use a container image where your training code runs. Configure the third worker pool to have GPUs, and use the reductionserver container image.

  B. Configure the machines of the first two worker pools to have GPUs and to use a container image where your training code runs. Configure the third worker pool to use the reductionserver container image without accelerators, and choose a machine type that prioritizes bandwidth.

  C. Configure the machines of the first two worker pools to have TPUs and to use a container image where your training code runs. Configure the third worker pool without accelerators, and use the reductionserver container image without accelerators, and choose a machine type that prioritizes bandwidth.

  D. Configure the machines of the first two pools to have TPUs, and to use a container image where your training code runs. Configure the third pool to have TPUs, and use the reductionserver container image.

  Correct Answer: B