GCP Google Cloud Platform (GCP) Skills 3

Question 1

A developer needs to process messages asynchronously between microservices on GCP. Which service is the best fit?

Accepted Answer

Pub/Sub

Answer

Cloud Pub/Sub is GCP's managed messaging service for asynchronous event-driven communication between services at any scale.

Question 2

What is a 'Shared VPC' in GCP?

Accepted Answer

A VPC hosted in a host project that other service projects can use

Answer

Shared VPC lets a host project own the VPC network while multiple service projects attach to it and deploy resources into its subnets.

Question 3

Which BigQuery feature allows you to query data stored in Cloud Storage without loading it into BigQuery first?

Accepted Answer

External Tables

Answer

BigQuery External Tables (also called federated tables) allow querying data files in Cloud Storage, Google Drive, or Bigtable directly without ingestion.

Question 4

What is the purpose of a GCP 'Service Account'?

Accepted Answer

An identity used by applications and services to authenticate to GCP APIs

Answer

A Service Account is a special identity assigned to applications, VMs, or services so they can authenticate and call GCP APIs without using personal credentials.

Question 5

When would you choose Cloud Spanner over Cloud SQL?

Accepted Answer

When you need global horizontal scaling with strong consistency and high availability

Answer

Cloud Spanner provides globally distributed, strongly consistent relational storage that scales horizontally — use it when Cloud SQL's vertical scaling limits are insufficient.

GCP Test Practice Test

GCP Test Practice Test

GCP Google Cloud Platform (GCP) Skills 3