Free Professional-Data-Engineer Exam Braindumps

- (Exam Topic 5)
Which action can a Cloud Dataproc Viewer perform?

1. A. Submit a job.
2. B. Create a cluster.
3. C. Delete a cluster.
4. D. List the jobs.

Correct Answer: D
A Cloud Dataproc Viewer is limited in its actions based on its role. A viewer can only list clusters, get cluster details, list jobs, get job details, list operations, and get operation details.
Reference: https://cloud.google.com/dataproc/docs/concepts/iam#iam_roles_and_cloud_dataproc_operations_summary

- (Exam Topic 6)
You are planning to migrate your current on-premises Apache Hadoop deployment to the cloud. You need to ensure that the deployment is as fault-tolerant and cost-effective as possible for long-running batch jobs. You want to use a managed service. What should you do?

1. A. Deploy a Cloud Dataproc cluste
2. B. Use a standard persistent disk and 50% preemptible worker
3. C. Store data in Cloud Storage, and change references in scripts from hdfs:// to gs://
4. D. Deploy a Cloud Dataproc cluste
5. E. Use an SSD persistent disk and 50% preemptible worker
6. F. Store data in Cloud Storage, and change references in scripts from hdfs:// to gs://
7. G. Install Hadoop and Spark on a 10-node Compute Engine instance group with standard instance
8. H. Install the Cloud Storage connector, and store the data in Cloud Storag
9. I. Change references in scripts from hdfs:// to gs://
10. J. Install Hadoop and Spark on a 10-node Compute Engine instance group with preemptible instances.Store data in HDF
11. K. Change references in scripts from hdfs:// to gs://

Correct Answer: A

- (Exam Topic 6)
You work for a global shipping company. You want to train a model on 40 TB of data to predict which ships in each geographic region are likely to cause delivery delays on any given day. The model will be based on multiple attributes collected from multiple sources. Telemetry data, including location in GeoJSON format, will be pulled from each ship and loaded every hour. You want to have a dashboard that shows how many and which ships are likely to cause delays within a region. You want to use a storage solution that has native functionality for prediction and geospatial processing. Which storage solution should you use?

1. A. BigQuery
2. B. Cloud Bigtable
3. C. Cloud Datastore
4. D. Cloud SQL for PostgreSQL

Correct Answer: A

- (Exam Topic 1)
You are deploying 10,000 new Internet of Things devices to collect temperature data in your warehouses globally. You need to process, store and analyze these very large datasets in real time. What should you do?

1. A. Send the data to Google Cloud Datastore and then export to BigQuery.
2. B. Send the data to Google Cloud Pub/Sub, stream Cloud Pub/Sub to Google Cloud Dataflow, and store the data in Google BigQuery.
3. C. Send the data to Cloud Storage and then spin up an Apache Hadoop cluster as needed in Google Cloud Dataproc whenever analysis is required.
4. D. Export logs in batch to Google Cloud Storage and then spin up a Google Cloud SQL instance, import the data from Cloud Storage, and run an analysis as needed.

Correct Answer: B

- (Exam Topic 6)
You operate a logistics company, and you want to improve event delivery reliability for vehicle-based sensors. You operate small data centers around the world to capture these events, but leased lines that provide connectivity from your event collection infrastructure to your event processing infrastructure are unreliable, with unpredictable latency. You want to address this issue in the most cost-effective way. What should you do?

1. A. Deploy small Kafka clusters in your data centers to buffer events.
2. B. Have the data acquisition devices publish data to Cloud Pub/Sub.
3. C. Establish a Cloud Interconnect between all remote data centers and Google.
4. D. Write a Cloud Dataflow pipeline that aggregates all data in session windows.

Correct Answer: A