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 421–430 of 498

Q421

Which service allows you to perform database queries using SQL-like syntax for NoSQL databases?

  • A BigQuery
  • B Cloud SQL
  • C Cloud Firestore
  • D Cloud Spanner
Explanation Cloud Firestore supports SQL-like queries for NoSQL data, unlike the others which have different querying mechanisms.
Q422

A company needs to analyze large datasets efficiently with serverless architecture. Which Google Cloud service should they use?

  • A Cloud Pub/Sub
  • B Cloud Dataflow
  • C Cloud Storage
  • D Cloud Run
Explanation Cloud Dataflow is specifically optimized for data processing in a serverless manner, unlike the others which serve different purposes.
Q423

You are configuring a Cloud Spanner instance expected to grow rapidly. What characteristic should you prioritize?

  • A Single region configuration
  • B Read-only replicas
  • C Horizontal scaling capabilities
  • D Integrated data backup
Explanation Horizontal scaling capabilities are essential for handling rapid data growth effectively, while the other options are not directly related to scaling.
Q424

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

  • A BigQuery
  • B Cloud Storage
  • C Cloud Pub/Sub
  • D Cloud Functions
Explanation BigQuery supports real-time analytics; others focus on storage or messaging.
Q425

A company needs to store large amounts of unstructured data for machine learning. Which storage option is ideal?

  • A Cloud SQL
  • B Firestore
  • C Cloud Storage
  • D Bigtable
Explanation Cloud Storage handles unstructured data well; the others focus on structured or limited use cases.
Q426

What happens when you oversize a Cloud SQL instance?

  • A Increased performance at no cost
  • B Higher costs without significant benefits
  • C Auto-scaling will address it
  • D Reduced availability risks
Explanation Oversizing leads to unnecessary expenses without proportional performance gains; auto-scaling does not apply here.
Q427

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

  • A BigQuery
  • B Cloud Storage
  • C Cloud SQL
  • D Cloud Pub/Sub
Explanation BigQuery is designed for real-time analytics, while Cloud Storage is for data storage, Cloud SQL is a relational database, and Cloud Pub/Sub handles messaging.
Q428

A company needs to ensure data compliance regulations. Which strategy should be prioritized?

  • A Data encryption in transit
  • B Backups every 24 hours
  • C Using Multi-Zone configurations
  • D Setting up logs for operations
Explanation Data encryption in transit protects sensitive information, whereas other options are important but do not directly address compliance needs.
Q429

You are configuring a Cloud Spanner instance. What impact does adding 4 nodes have on performance?

  • A Decreases throughput
  • B Increases availability only
  • C Increases both throughput and availability
  • D No effect on performance
Explanation Adding nodes increases both throughput and availability due to improved resource allocation, while other options do not accurately reflect the benefits.
Q430

Which service is used for data warehousing in GCP?

  • A BigQuery
  • B Cloud SQL
  • C Datastore
  • D Firestore
Explanation BigQuery is specifically designed for data warehousing; others are for transactional or NoSQL data.