Google Cloud

Google Cloud Certified – Professional Cloud Database Engineer

PR000256

Become a certified Professional Cloud Database Engineer with exam code PR000256 to validate your database skills in Google Cloud.

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

Questions 481–490 of 498

Q481

Which service provides scalable NoSQL databases on Google Cloud?

  • A Firestore
  • B Cloud SQL
  • C Cloud Storage
  • D BigQuery
Explanation Firestore is designed for NoSQL, while others serve different purposes.
Q482

A company needs to analyze massive datasets quickly. Which Google Cloud service should they use?

  • A Cloud Spanner
  • B BigQuery
  • C Datastore
  • D Cloud Firestore
Explanation BigQuery is optimized for fast SQL queries on large datasets.
Q483

What happens when you disable billing for a Google Cloud project?

  • A All resources will immediately stop.
  • B Usage discounts are applied.
  • C No new resources can be created.
  • D Billing accounts are deleted.
Explanation Disabling billing prevents creation of new resources, but running ones may continue until limits are reached.
Q484

Which service is used for NoSQL document storage?

  • A Cloud Firestore
  • B Cloud SQL
  • C Cloud Spanner
  • D BigQuery
Explanation Cloud Firestore is specifically designed for NoSQL document storage; Cloud SQL and Cloud Spanner are SQL services while BigQuery is for analytics.
Q485

A company needs to process large volumes of streaming data. Which Google Cloud service should they use?

  • A Cloud Pub/Sub
  • B Cloud Functions
  • C Cloud Storage
  • D BigQuery
Explanation Cloud Pub/Sub is designed for ingesting and processing streaming data; the other options serve different use cases.
Q486

You are configuring a Cloud SQL instance. What happens if you set the maintenance window to a time when no traffic is expected?

  • A No updates will occur.
  • B Instance will be unavailable during updates.
  • C Updates will happen with no downtime.
  • D Only backups will be taken.
Explanation Setting a maintenance window during low traffic means updates could cause temporary unavailability; options A and C misrepresent this, while D is incorrect about backups.
Q487

Which Google Cloud service is best for real-time analytics on streaming data?

  • A Cloud Pub/Sub
  • B BigQuery
  • C Cloud Firestore
  • D Cloud Spanner
Explanation Cloud Pub/Sub allows real-time message processing, while other options are better for batch processing or storage.
Q488

You are configuring Cloud SQL for a production product. To handle failover, which option should you enable?

  • A Read replicas
  • B High availability
  • C Backup schedule
  • D Data encryption
Explanation High availability configures automatic failover, while other options do not specifically address failover.
Q489

What happens when you exceed your Cloud Firestore daily quota?

  • A Slow performance but continues functioning
  • B Requests may receive errors
  • C Service automatically scales
  • D Data is automatically deleted
Explanation Exceeding the quota results in errors, while other options do not accurately reflect quota behavior.
Q490

Which service is best for real-time analytics on streaming data?

  • A Google Cloud Pub/Sub
  • B BigQuery
  • C Cloud Dataflow
  • D Cloud Storage
Explanation Cloud Dataflow processes streaming data in real-time, while the others are not optimized for that use case.