Top 30 GCP Interview Questions and Answers

May 10th, 2024

Encapsulate the hiring managers with your skills and knowledge by memorizing these top 30 GCP interview questions.

GCP Interview Questions

Cloud computing services have become increasingly more important for organizations, especially for growing ones. While AWS and Microsoft Azure are the leading names here, GCP is just around the block too. Google Cloud Platform (GCP) is a major player today, which has led to an increase in demand for professionals with these skills.

Those looking to build a successful career in the field of cloud computing with GCP must be prepared for the demanding interviews. It includes perfecting GCP interview questions, having the right technical skills and polishing one's people skills. This blog covers the top 30 GCP interview questions and answers for all levels and related profiles.

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Google Cloud Interview Questions for Beginners

These Google Cloud interview questions for beginners are best for those with no prior working experience in the field. These are some basic questions that are asked from those who are just starting fresh.

Question 1. Explain the different levels of Google Cloud.

The Google Cloud Platform consists of four levels or tiers. These are-

  • Infrastructure as a Service (IaaS)- The basic components of the cloud computing environment are described here.
  • Platform as a Service (PaaS)- It's the second tier which offers app development tools and the underlying infrastructure.
  • Software as a Service (SaaS)- The third tier users the access to the cloud services that are offered by the provider.
  • Business Process Outsourcing (BPO)- Even though it's not a technical solution, it's talked about as the fourth layer. It has an important part to play in outsourcing business operations.

Question 2. Explain the function played by a ‘bucket' in Google Cloud Storage.

In Google Cloud Storage, a bucket refers to a straightforward container that is often utilized to hold information. To store any data in Cloud Storage, it should be primarily organized into a bucket. Any number of buckets can be added or deleted to a system.

Question 3. How do organizations save money with cloud computing?

Cloud computing eliminates the need for organizations to have various professionals on their team. There's a pool of resources that can be utilized on a need-to-use basis on a pay-as-you-use scheme. This all leads to saved money and resources.

Question 4. What is VPC or Virtual Private Cloud?

A Virtual Private Cloud aids Google Kubernetes Engine (GKE) clusters, GCP virtual machine instances (VMs), etc., to connect with other VPCs. It gives users a wide space to regulate global and regional workload connectivity.

Question 5. What is Google App Engine?

Google App Engine is a PaaS offering that provides scalability to humongous enterprises and web app developers. It enables developers in building, scaling and deploying a highly managed platform as per their specific requirements.

Question 6. Explain serverless computing.

Serverless computing has become a possibility with cloud service providers. These providers maintain a server in the Cloud, while dynamically allocating resources to their customers. All the underlying hardware is maintained by the providers, allowing users to only focus on their tasks.

GCP Interview Questions for Experts

Here are a few GCP interview questions for experts. Even as someone with experience, it's integral to prepare well for the interview since a lot of different things can be asked.

Question 7. What is meant by ‘Object Versioning'?

Object versioning is the aspect that allows the recovery of unintentionally destroyed or overwritten data. To ensure this safety, versioning incurs extra storage expenses. Setting the object versioning on in a GCP bucket means that when an object is replaced or removed, its unique version is created.

Question 8. What is meant by ‘Projects'?

Projects, in reference to Google Cloud, refers to containers for all resources as well as their management. These are independent domains and do not share these resources with each other.

Question 9. What is understood by Google Kubernetes Engine (GKE)?

GKE, which is the acronym for Google Kubernetes Engine, is a GCP-managed platform. It facilitates users to deploy, scale and manage containerized apps via Kubernetes, which is an open-source container orchestration system.

There are various steps involved in deploying a containerized app on it. This including -

  • Creating a Kubernetes cluster.
  • Building a container image & storing it in a container registry.
  • Creating a Kubernetes deployment file.
  • Applying this file to a Kubernetes cluster.
  • Exposing this deployment to the internet.

Question 10. How is a database managed and scaled on GCP via Cloud SQL?

A database is managed and scaled on GCP via Cloud SQL by -

  • Make a Cloud SQL instance having the needed specifications. This includes DB engine, memory, storage size, etc.
  • Configure the DB & users. 
  • Use a client tool to connect to the instance.
  • Monitor the DB usage & performance.
  • Optimize the settings as essential.
  • Regularly backup the DB & set automated backups to enable disaster recovery.

Question 11. How can the GCP resources be secured with IAM (identity & access management)?

Follow these steps to secure GCP resources with IAM -

  • Create a project & enable IAM.
  • Assign IAM roles via APIs or Google Cloud console.
  • Implement IAM conditions.
  • Monitor & audit its usage.

Question 12. Explain eucalyptus.

Eucalyptus is a computing architecture used for connecting the app to the valuable systems. Cloud computing farms are constructed with this open-source platform. Many hybrid solutions are offered to the users apart from private and public cloud choices.

You May Also Like- Google Cloud Platform Tutorial

GCP Data Engineer Interview Questions

Here are some GCP data engineer interview questions to get a job with this profile.

Question 13. Explain Cloud Dataproc?

Cloud Dataproc refers to a completely managed service in Google Cloud Platform. It's used to run Apache Hadoop and Apache Spark clusters. Big data workloads are processed in cost-efficient and scalable ways.

Question 14. What role is played by Cloud Storage in GCP?

GCP offers an object storage service called Cloud Storage. It's highly available, durable and scalable for objects of all sizes. Thus, it's used efficiently for storing files, serving static content & backups.

Question 15. How is high fault tolerance and availability ensured in GCP?

Various different multi-regional and regional options are provided to deploy services throughout different regions and zones. High fault tolerance and availability are ensured via auto-scaling, managed instance groups and load balancing.

Question 16. How is data transferred securely between GCP?

Google Cloud Platform promotes secure transfer of data over encrypted connections via protocols such as SSL/TLS and HTTPS. Dedicated Interconnect and Cloud VPN are also available for private network connections.

Question 17. Is there any utilization attached to Cloud Composer in the Google Cloud Platform?

The Cloud Composer in the Google Cloud Platform is utilized to manage dependencies and orchestrate workflows between tasks. This enables the users to create, monitor and schedule complex ETL workflows and data pipelines.

Question 18. How is data encryption handled by GCP?

Data encryption is handled by GCP both in transit and at rest. Some central management services such as KMS (Cloud Key Management Services) are offered to manage Cloud HSM and encryption keys for hardware security modules.

GCP Architect Interview Questions

Wish to become a GCP architect? Well then, this is just the place to be at because here are the top GCP architect interview questions.

Question 19. How is on-premises computing different from a private cloud?

The difference between on-premises computing and a private cloud is evident from their names.

On-premises computing refers to the setting wherein all the resources needed for computing are located on the site itself. These are available, accessed and used at the same place.

In contrast, private cloud is where the resources are all on an offshore location. These are only used by the user on a need-to-have basis.

Question 20. Explain zones and regions in reference to GCP.

A zone is GCP refers to a deployment area and falls under the classification of regions. A region, on the contrary, refers to super-classes of zones. Every region has multiple zones, at least two, and usually three or four in number.

At present, GCP has 27 regions across North and South America, Asia, Australia and Europe.

Google Cloud Platform

Question 21. What are the resource hierarchy levels in GCP?

The categories in the resource hierarchy system are divided into five categories. These levels are -

  • Domain
  • Organization
  • Folders
  • Projects
  • Resources

Hence, anyone with access to the parent entity also gets access to the one below it. There is, however, no vice-versa situation here. Resource hierarchy binds the resource lifecycle to its immediate parent.

GCP Hierarchy Levels

Question 22. Name some services that are offered by GCP.

The Google Cloud Platform comprises many elements and services to aid its users in different aspects. These categories include -

  • Computing & Hosting
  • databases/ Storage
  • Big Data
  • Networking
  • Other services (like management tools, IoT, Cloud AI, etc.)
GCP Services

Question 23. Explain the billing of resources on this platform.

Billing on this platform happens in line with the project that's associated with one particular resource. Each resource is specific to a region or a zone but is then accessible from anywhere.

Question 24. Name some ways to interact with Google Cloud Platform.

Some of the key ways to interact with GCP include-

  • Cloud SDK
  • Cloud Shell
  • Google Cloud Console
  • Third-Party Tools
  • Cloud APIs

GCP DevOps Interview Questions

As a DevOps professional particularly in GCP, it's different to pinpoint which questions can be asked during an interview. However, to make things easier, these few GCP DevOps interview questions have been outlined here.

Question 25. How is IaC (infrastructure as code) handled in the Google Cloud Platform?

Infrastructure as Code can be handled in GCP through the utilization of various different technologies and tools. Some of these are -

  • Google Cloud SDK- Google Cloud SDK offers various command-line libraries and tools to manage GCP resources.
  • Terraform- It's an open-source tool that enables creation, management and manipulation of IaC. It also aids in managing and deploying resources on the GCP.
  • Kubernetes- This powerful container orchestration tool is used to manage IaC and containers. It further aids in efficiently defining, managing and deploying the resources.
  • Cloud Deployment Manager- This GCP service is great for defining, managing and deploying cloud resources by utilizing the YAML templates.

Question 26. How to skillfully approach logging and monitoring in the Google Cloud Platform environment?

Skillfully approaching logging and monitoring in the GCP environment can be done by following these below-mentioned steps-

  • Precisely defining the requirements.
  • Picking the appropriate tools.
  • Configuring the logging & monitoring tools.
  • Integrating the GCP tools with the existing systems.
  • Implementing logging for critical services.
  • Regularly monitoring & reviewing the logs.
  • Refining & updating this process as and when needed.

Question 27. What are the common job roles a GCP DevOps Engineer fulfills?

Some common job roles and responsibilities fulfilled by a GCP DevOps Engineer includes -

  • Ensuring that the development processes are working efficiently.
  • Ensuring there is balance between the service dependability and the delivery pace.
  • Having knowledge of developing software delivery pipelines.
  • Know how to install & monitor services.

Question 28. Explain SLI (Service-Level Indicator).

Service-Level Indicator is utilized for calculating the service availability percentage. It's done during the process of determination as to whether the system has been working within SLO (Service-Level Objective).

Question 29. How can a learning culture be implemented?

To implement a truly learning culture, these steps can be taken -

  • A training budget should be created.
  • Ensure the team is equipped with all resources needed to engage in informal learning.
  • Failing should not be a taboo.
  • A smart space and great opportunities should be available for sharing information.
  • Resources should be available for continued education.

Question 30. What are the kinds of Cloud Audit Logs?

Cloud Audit Logs types to know about are-

  • Policy Denied Audit Logs
  • Data Access Audit Logs
  • Admin Activity Audit Logs
  • System Event Audit Logs

Final World For GCP Interview Questions

These top 30 GCP interview questions are for anyone who wishes to enjoy a future in the amazing cloud provider. With various roles and responsibilities attached to this field, one could never go wrong with the possibilities and growth. Take an overview of these questions and keep learning further to ensure the hiring managers are compelled to select you.

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