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
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Questions 71–80 of 486
A company needs real-time processing of streaming data. Which service should they use?
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A
Cloud Functions
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B
Cloud Dataflow
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C
Cloud Bigtable
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D
Firestore
Explanation
Cloud Dataflow specializes in real-time streaming data processing; others are less suited for this.
You are configuring BigQuery access controls. What happens if a user has 'BigQuery Data Viewer' on a dataset?
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A
Can modify dataset schema
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B
Can run queries on data
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C
Can delete dataset
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D
Cannot access the data
Explanation
'BigQuery Data Viewer' allows executing queries but not modifying the dataset.
Which service is best for analyzing real-time streaming data?
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A
Cloud Pub/Sub
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B
BigQuery
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C
Cloud Functions
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D
Cloud Storage
Explanation
Cloud Pub/Sub is designed for real-time processing, while others focus on storage or batch analysis.
A company needs to ensure its machine learning model is resilient to concept drift. What should they implement?
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A
Batch Retraining
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B
AI Optimization
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C
Continuous Monitoring
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D
Static Validation
Explanation
Continuous monitoring allows for timely adaptations to changing data patterns, making it more resilient.
You are configuring IAM roles for a project. What happens if a role is assigned a policy with 'Deny' precedence?
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A
All permissions are granted
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B
Access is restricted
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C
Policies are ignored
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D
Permissions are inherited
Explanation
'Deny' policies take precedence and restrict access regardless of other permissions.
Which service is best for data processing in real-time?
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A
Apache Beam
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B
Cloud Storage
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C
BigQuery
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D
Cloud Functions
Explanation
Apache Beam is designed for real-time data processing, while other options serve different purposes.
A company needs to securely manage user access to resources. Which Google Cloud service should they use?
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A
Cloud IAM
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B
Cloud Pub/Sub
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C
Cloud Functions
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D
Cloud Spanner
Explanation
Cloud IAM allows for fine-grained access control, while other options do not focus on user management.
What happens when you increase the number of nodes in a Cloud Dataproc cluster?
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A
Job execution time decreases
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B
Data is automatically rebalanced
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C
Costs will inevitably increase
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D
Cluster becomes highly available
Explanation
Increasing nodes generally leads to higher costs, regardless of performance improvements, while other options are not guaranteed outcomes.
Which service provides a managed Spark and Hadoop environment?
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A
Google Dataproc
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B
Google BigQuery
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C
Google Cloud Functions
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D
Google Cloud Storage
Explanation
Google Dataproc is specifically designed for managed Spark and Hadoop environments, while the others serve different purposes.
A company needs to stream data from IoT devices in real-time. Which Google Cloud service should they use?
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A
Google Pub/Sub
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B
Google Cloud Storage
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C
BigQuery
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D
Cloud Functions
Explanation
Google Pub/Sub is designed for real-time messaging and telemetry data, unlike the others which focus on storage or analytics.