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What is Certified Kubernetes Application Developer (CKAD)?

Jan 09, 20234 mins readAmit Masih
What is Certified Kubernetes Application Developer (CKAD)?

Kubernetes is an open-source container orchestration tool that has revolutionized how software infrastructures are built and managed.

It enables system administrators to achieve scalability and stability on a new level. With the increasing demand for Kubernetes, now is the perfect time to learn this technology and boost your career prospects.

What is CKAD?

The Kubernetes CKAD certification prepares individuals to design, build, and deploy cloud-native applications specifically for Kubernetes. Developed by the Linux Foundation and the Cloud Native Computing Foundation (CNCF), this certification aims to create a team of skilled professionals to work within the Kubernetes ecosystem. As a CKAD professional, you will gain expertise in using Kubernetes core components to create, configure, and manage scalable applications, as well as knowledge in working with container images, implementing cloud-native application concepts and architecture, and validating Kubernetes resource definitions.

This certification benefits Kubernetes engineers, cloud engineers, and IT professionals involved in the design, building, and configuration of cloud-native applications with Kubernetes. The CKAD online exam tests your knowledge across various domains such as application design and build; deployment, observability, and maintenance; environment, configuration, and security; and services and networking. It is a performance-based exam where you must solve problems using the command line.

Why are Kubernetes skills so important?

As more and more companies adopt containerized deployments for their software applications, application developers need to understand how to work with these containers thoroughly. As a result, the way they build applications must evolve to include creating container images and designing them for containerized environments.

What does passing CKAD certify?

Those who pass the CKAD exam have demonstrated the skills to design, build, configure, and deploy applications on Kubernetes. Additionally, they have shown the ability to monitor deployed applications to ensure they are functioning correctly and troubleshoot any issues that may arise.

What's on the Kubernetes CKAD exam?

The Kubernetes CKAD exam is divided into several categories, which are as follows:

Application Design and Build:

This category assesses candidates' abilities in deploying applications as pods (the smallest unit of resource in Kubernetes), performing updates and rollbacks, and creating jobs or cronjobs.

Application Deployment:

Candidates will be evaluated on their ability to create deployments, set the number of replicas, perform image changes and rollbacks, and properly tag resources using labels, annotations, and selectors.

Application Observability and Maintenance:

This category tests candidates' ability to query and fetch logs for each container, identify different statuses, and configure pods' readiness and liveness.

Application Environment, Configuration, and Security:

Candidates will be evaluated on their ability to configure different resources for use by pods, such as config maps, secrets, and environment variables.

Services and Networking:

This category assesses candidates' ability to configure services that can be referenced as a connection to pods, configure ingress for routing, and set network policies for additional security.

Who can take the Kubernetes CKAD certification exam?

The CKAD exam is a Kubernetes certification intended for both experienced Kubernetes developers and those just starting their Kubernetes learning journey. For experienced Kubernetes developers, the CKAD is a valuable opportunity to review their knowledge, gain additional proof of mastery, and fulfill promotion requirements at some companies.

For beginners, the CKAD provides a clear goal to work towards and a way to demonstrate their understanding of Kubernetes. After completing the CKAD exam, individuals can better understand where they stand in their learning journey and identify areas for improvement. In conclusion, the CKAD is geared towards Kubernetes engineers, cloud engineers, and other IT professionals responsible for or looking to learn how to build, deploy, and configure cloud-native applications with Kubernetes. It effectively showcases your proficiency in Kubernetes to employers, potential employers, and members of the Kubernetes ecosystem.

Is the CKAD exam hard to pass?

Despite its popularity and powerful course, Kubernetes is challenging to learn. You may have seen memes on social media platforms such as Twitter or Reddit highlighting the difficulties in learning Kubernetes. While it's true that Kubernetes and the CKAD exam can be challenging, with the right resources and sufficient time, any developer can acquire the necessary knowledge to master Kubernetes and pass the CKAD exam.

The final words

Obtaining a Kubernetes certification can greatly benefit your career, which is why more and more people have signed up to take the CKAD exam in recent years.

If you're interested in taking the CKAD certification exam and seeking a trustworthy proxy exam center, CBTProxy can assist you. To learn more about the process, click on the chat button below and one of our consultants will contact you and provide guidance.

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