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 331–340 of 498

Q331

Which service is primarily used for data warehousing on Google Cloud?

  • A BigQuery
  • B Cloud SQL
  • C Datastore
  • D Firestore
Explanation BigQuery is optimized for data warehousing, while the others serve different database needs.
Q332

A company needs to analyze large datasets without managing infrastructure. Which Google Cloud service should they choose?

  • A Compute Engine
  • B App Engine
  • C BigQuery
  • D Cloud Spanner
Explanation BigQuery is a serverless data analytics platform ideal for large datasets, while others require infrastructure management.
Q333

What happens when you set a Cloud Firestore document to 'false' in its 'Allow' rules?

  • A Document can still be accessed
  • B Access is denied completely
  • C Only admins can access it
  • D Document becomes read-only
Explanation Setting to 'false' denies all access; the other options misrepresent Firestore's security rules.
Q334

Which Google Cloud service is best for managing NoSQL databases?

  • A Cloud Firestore
  • B Cloud SQL
  • C Cloud Storage
  • D Cloud Spanner
Explanation Cloud Firestore is optimized for NoSQL applications, while other options target different storage types like SQL or object storage.
Q335

A company needs to analyze large datasets stored in Google BigQuery. What is the best approach to handle large and complex queries?

  • A Use standard SQL queries
  • B Limit query output parameters
  • C Leverage partitioned tables
  • D Run queries sequentially
Explanation Partitioned tables help improve query performance by limiting the amount of data scanned.
Q336

What happens when you exceed a Google Cloud SQL instance's connection limit?

  • A New connections are immediately blocked
  • B Existing connections are dropped
  • C The instance automatically scales up
  • D You are notified by email
Explanation Exceeding the connection limit blocks new connections, ensuring stability without dropping existing ones.
Q337

Which service is best for managing relational databases?

  • A Cloud SQL
  • B Cloud Storage
  • C BigQuery
  • D Datastore
Explanation Cloud SQL is designed for relational databases, while others serve different purposes.
Q338

A company needs to deploy a NoSQL database for high scalability. Which service should they choose?

  • A FireStore
  • B Cloud Spanner
  • C Cloud Bigtable
  • D Cloud SQL
Explanation Cloud Bigtable is designed for high scalability NoSQL workloads, unlike others.
Q339

What happens when a Cloud Firestore document exceeds 1MB in size?

  • A Document deletion is triggered
  • B An error is thrown
  • C Data is automatically compressed
  • D Data is silently truncated
Explanation Firestore enforces a 1MB size limit, throwing an error if exceeded.
Q340

Which service is best for real-time data streaming?

  • A Google Pub/Sub
  • B Cloud Storage
  • C Cloud SQL
  • D BigQuery
Explanation Google Pub/Sub is designed for real-time messaging, making it the ideal choice for streaming data, while the others are not optimized for this purpose.