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 221–230 of 486

Q221

A company needs to analyze large data sets for patterns without a predefined schema. What should they use?

  • A Google Cloud SQL
  • B Google BigQuery
  • C Google Cloud Spanner
  • D Google Cloud Datastore
Explanation Google BigQuery is designed for analytical queries on large datasets using a schema-less architecture.
Q222

You are configuring IAM roles for a service account that requires read access to Cloud Storage only. Which role should you assign?

  • A Storage Admin
  • B Storage Object Viewer
  • C Storage Object Creator
  • D Storage Viewer
Explanation The 'Storage Object Viewer' role allows read access to objects, whereas the others provide higher or incorrect access permissions.
Q223

Which service is best for real-time data processing?

  • A BigQuery
  • B Dataflow
  • C Cloud Storage
  • D Cloud Pub/Sub
Explanation Dataflow is designed for real-time data streaming, while BigQuery and Cloud Storage are for batch processing and storage, respectively.
Q224

A company needs to automate ML model training based on incoming streaming data. What should they use?

  • A Cloud Functions
  • B AI Platform Pipelines
  • C Cloud Run
  • D Dataflow
Explanation AI Platform Pipelines allows automation of machine learning workflows, ideal for model training.
Q225

What happens when you exceed the quotas for BigQuery?

  • A Tasks are queued until limits reset
  • B Queries are automatically optimized
  • C Excess queries return errors
  • D Service switches to free tier
Explanation Exceeding quotas will result in errors for additional queries, preventing processing.
Q226

Which Google Cloud service enables you to manage API requests?

  • A Cloud Functions
  • B Cloud Endpoints
  • C Cloud Run
  • D App Engine
Explanation Cloud Endpoints specifically provides API management capabilities, whereas the other services focus on compute and serverless functions.
Q227

A company needs to analyze streaming data in real-time. Which service should they use?

  • A BigQuery
  • B Dataflow
  • C Dataproc
  • D Pub/Sub
Explanation Dataflow is designed for real-time data processing, while the others are not primarily focused on streaming analytics.
Q228

What happens when you apply an IAM policy without specifying conditions?

  • A Policy is ignored
  • B Policy applies universally
  • C Policy is only for admins
  • D Policy cannot be saved
Explanation Without conditions, the IAM policy applies universally to all specified principals, with no restrictions.
Q229

A company needs to analyze streaming data in real-time. Which Google Cloud service is best suited for this task?

  • A Google Cloud Pub/Sub
  • B Google Cloud Datastore
  • C Google Cloud Functions
  • D Google BigQuery
Explanation Google Cloud Pub/Sub allows for real-time data ingestion, while the others serve different purposes.
Q230

What happens when you set the 'data retention policy' on a Cloud Storage bucket?

  • A Data will be backed up daily
  • B Data is deleted after specified time
  • C Data replication increases
  • D Data is encrypted automatically
Explanation Setting a data retention policy ensures data is automatically deleted after a specific period.