Google Cloud

Google Cloud Certified – Professional Data Engineer

PR000258
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Become a certified Professional Data Engineer with exam code PR000258 to validate your data engineering skills in Google Cloud.

486 questions 0 views Free
Start Mock Test Timed · Full-length · Scored

Questions 421–430 of 486

Q421

Which service provides managed NoSQL databases in Google Cloud?

  • A Cloud Firestore
  • B Cloud Spanner
  • C BigQuery
  • D Cloud SQL
Explanation Cloud Firestore is specifically designed for NoSQL solutions, while the others offer different types of databases.
Q422

A company needs to analyze data streams in real-time. Which Google Cloud service should they utilize?

  • A Google Cloud Pub/Sub
  • B BigQuery
  • C Cloud Storage
  • D Dataflow
Explanation Google Cloud Pub/Sub is ideal for managing real-time data streams, whereas the others are better suited for batch processing or storage.
Q423

You are configuring a data pipeline with Cloud Dataflow; what happens if you set a low parallelism level?

  • A Faster data processing
  • B Increased costs
  • C Longer processing times
  • D Data loss becomes likely
Explanation Setting a low parallelism level leads to longer processing times because fewer resources are used to handle tasks simultaneously.
Q424

Which service allows for building and running machine learning models at scale?

  • A AI Platform
  • B Cloud Functions
  • C Cloud Run
  • D BigQuery
Explanation AI Platform is specifically designed for machine learning modeling, while the others serve different functions.
Q425

A company needs to store large volumes of data and wants a cost-effective solution for infrequent access. Which storage option should they choose?

  • A Cloud Storage Standard
  • B Cloud Storage Nearline
  • C Cloud SQL
  • D Persistent Disk
Explanation Cloud Storage Nearline is optimized for infrequent data access, unlike the others.
Q426

What happens when you set the retention policy on a BigQuery table to delete data older than 30 days?

  • A Data is permanently deleted after 30 days
  • B Data is archived for recovery
  • C Data can still be queried
  • D Retention policies don’t apply to views
Explanation Data older than the retention period is permanently deleted, whereas the other options are misleading.
Q427

Which Google Cloud service is best for data warehousing?

  • A BigQuery
  • B Cloud Storage
  • C Cloud Pub/Sub
  • D Cloud Spanner
Explanation BigQuery is designed for large-scale data warehousing, while others serve different purposes.
Q428

A company needs to process streaming data with low latency. Which service should they use?

  • A Cloud Functions
  • B Cloud Run
  • C Dataflow
  • D Cloud Data Fusion
Explanation Dataflow is optimized for processing real-time streaming data, unlike the other options.
Q429

You are configuring IAM roles for a data engineer. What happens if you remove a user’s Owner role?

  • A User loses access to all resources.
  • B User keeps access based on other roles.
  • C User receives a notification.
  • D User can still change IAM roles.
Explanation The user retains access based on any other granted roles, not just Owner.
Q430

Which service allows you to run Apache Spark jobs on Google Cloud?

  • A Cloud Dataflow
  • B Cloud Dataproc
  • C Cloud Functions
  • D Cloud Run
Explanation Cloud Dataproc is designed specifically for running Apache Spark and Hadoop jobs, while others serve different purposes.