Tanzu Interview Questions and Answers for experienced

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100 Tanzu Interview Questions and Answers

  1. What is Tanzu?

    • Answer: Tanzu is VMware's platform for modernizing applications and building cloud-native applications. It encompasses a suite of products and services for building, running, and managing applications on Kubernetes, across various environments including public, private, and hybrid clouds.

  2. Explain the difference between Tanzu Application Service (TAS) and Tanzu Kubernetes Grid (TKG).

    • Answer: TAS is a Platform-as-a-Service (PaaS) offering that simplifies application deployment and management on Kubernetes, abstracting away many of the underlying Kubernetes complexities. TKG, on the other hand, is a Kubernetes distribution that allows you to deploy and manage Kubernetes clusters across various infrastructure providers, giving you more control and customization. TAS is built *on top of* Kubernetes (usually TKG), while TKG provides the Kubernetes infrastructure itself.

  3. What are the key components of Tanzu Mission Control?

    • Answer: Tanzu Mission Control provides centralized management and observability for multiple Tanzu Kubernetes clusters. Key components include the Management Cluster, the Cluster Management Plane, and various tooling for governance, monitoring, and lifecycle management of the Kubernetes clusters.

  4. How does Tanzu address security concerns in a Kubernetes environment?

    • Answer: Tanzu incorporates several security features including role-based access control (RBAC), network policies, integrated security scanning, and compliance tooling to enhance the security posture of Kubernetes clusters and deployed applications. It also integrates with various security information and event management (SIEM) systems.

  5. Describe the process of deploying an application to Tanzu Application Service.

    • Answer: Deployment typically involves pushing the application code (e.g., using `cf push` or a similar CLI tool) to TAS. TAS then handles building the application, creating necessary containers, deploying them to the Kubernetes cluster, and managing scaling and routing. This simplifies the deployment process compared to directly managing Kubernetes resources.

  6. What are some common use cases for Tanzu Kubernetes Grid?

    • Answer: TKG is suitable for various use cases, including deploying and managing Kubernetes clusters on-premises, in a private cloud, or on a public cloud. It's ideal for organizations needing greater control and customization over their Kubernetes environment than a managed PaaS like TAS provides. Common uses include running mission-critical applications, building hybrid cloud strategies, and establishing consistent Kubernetes operations across different environments.

  7. Explain the concept of "supply chain security" in the context of Tanzu.

    • Answer: Supply chain security in Tanzu refers to securing the entire lifecycle of software development and deployment, from code development and build processes to container image creation and deployment to Kubernetes. It involves secure development practices, image scanning, vulnerability management, and securing the CI/CD pipeline to prevent malicious code or vulnerabilities from entering the production environment.

  8. How does Tanzu support multi-tenancy?

    • Answer: Tanzu supports multi-tenancy through various mechanisms depending on the specific component. In TKG, namespaces and RBAC are fundamental for isolating different tenants. TAS also provides mechanisms to isolate applications and resources for different teams or organizations. Tanzu Mission Control helps manage and monitor these isolated environments.

  9. What are some common challenges in adopting Tanzu, and how can they be addressed?

    • Answer: Challenges include the learning curve associated with Kubernetes and cloud-native technologies, the need for skilled personnel, and integration with existing infrastructure and processes. These can be addressed through training programs, phased adoption strategies, and leveraging Tanzu's built-in tooling and automation capabilities.

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