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Kubernetes Online Test

The Kubernetes Online Test uses scenario-based MCQs to evaluate candidates on their knowledge of Kubernetes architecture, setup, deployment, networking, and troubleshooting. Additionally, the test evaluates the candidate's knowledge of Kubernetes resource objects, Kubernetes API, Kubernetes security and authentication, and Kubernetes upgrades.

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Screen candidates with a 25 mins test

Test duration:  ~ 25 mins
Difficulty level:  Moderate
Availability:  Available as custom test
Questions:
  • 10 Kubernetes MCQs
Covered skills:
Kubernetes Architecture
Containerization
Pods
Deployments
Services
Volumes
Networking in Kubernetes
Scaling and Load Balancing
Security in Kubernetes
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Use the Kubernetes Test to shortlist qualified candidates

The Kubernetes Online Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • Understanding the architecture and components of Kubernetes
  • Demonstrating knowledge of containerization and its benefits in Kubernetes
  • Creating and managing pods in Kubernetes
  • Deploying applications using Kubernetes deployments
  • Configuring and managing services in Kubernetes
  • Working with volumes for persistent storage in Kubernetes
  • Understanding networking concepts in Kubernetes
  • Implementing scaling and load balancing in Kubernetes
  • Configuring and enforcing security measures in Kubernetes
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Screen candidates with the highest quality questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 15,000+ questions. The actual questions on this Kubernetes Online Test will be non-googleable.

🧐 Question

Medium

ConfigMap and Secrets Interaction
Resource Management
Security
Solve
In a Kubernetes cluster, you are working on configuring a new deployment that should be able to access specific environment variables through both ConfigMap and Secrets resources. The deployment YAML is structured as follows:
 image
You have applied the above YAML successfully without any errors. Now, you are about to configure a service to expose the deployment. Before doing that, you want to confirm the security and setup implications.

Based on the above configuration, which of the following statements are true?
1. The DATABASE_PASSWORD will be mounted as an environment variable in plain text.
2. The ConfigMap data can be updated and the changes will be reflected automatically in the running pods without any need for a redeployment.
3. If a potential attacker gains access to the cluster, they would be able to retrieve the DATABASE_PASSWORD in plain text from the secrets resource as it is defined in stringData.
4. The APP_ENV and DATABASE_URL values are securely stored and cannot be accessed by non-admin users.
5. If a new container in the same pod is created, it would automatically have the DATABASE_PASSWORD environment variable configured.

Medium

Ingress from namespace
Network
Network Policies
Solve
You are tasked with deploying a Kubernetes network policy. Here are the specifications:

- Name of the policy: adaface-namespace
- Policy to be deployed in ‘chatbot’ namespace
- The policy should allow ALL traffic only from ‘tester’ namespace
- Policy should not allow communication between pods in the same namespace
- Traffic only from ‘tester’ namespace is allowed on all ports
Which of the following configuration files is BEST suited to create required dependencies and deploy the network policy?
 image

Medium

Pod Affinity and Resource Quota Compliance
Pod Scheduling
Resource Management
Solve
You are working on a Kubernetes project where you need to ensure that certain pods get scheduled on nodes based on the presence of other pods and to limit the amount of resources that can be consumed in a namespace. You have been given the following YAML file which contains a combination of a pod definition and a resource quota:
 image
With the application of the above YAML configuration, assess the validity of the statements and choose the correct option that lists all the true statements.
1. The critical-pod will only be scheduled on nodes where at least one pod with a label security=high is already running.
2. The critical-pod is adhering to the resource quotas defined in the compute-quota.
3. The compute-quota restricts the namespace to only allow a total of 1 CPU and 1Gi memory in requests and 2 CPUs and 2Gi memory in limits across all pods.
4. If a node has multiple pods labeled with security=high, the critical-pod can potentially be scheduled on that node, given other scheduling constraints are met.
5. The critical-pod exceeds the defined memory request quota as per the compute-quota.

Easy

Resource limits
Pods
Containers
Solve
How would you deploy a Kubernetes pod with the following specifications:

- Name of pod: adaface
- Resource limits: 1 CPU and 512Mi memory
- Image: haproxy
A: kubectl run adaface --image=haproxy --limits='cpu=1,memory=512Mi'
B: kubectl run adaface --image=haproxy --requests='cpu=1,memory=512Mi'
 image
🧐 Question🔧 Skill

Medium

ConfigMap and Secrets Interaction
Resource Management
Security

2 mins

Kubernetes
Solve

Medium

Ingress from namespace
Network
Network Policies

3 mins

Kubernetes
Solve

Medium

Pod Affinity and Resource Quota Compliance
Pod Scheduling
Resource Management

2 mins

Kubernetes
Solve

Easy

Resource limits
Pods
Containers

3 mins

Kubernetes
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
ConfigMap and Secrets Interaction
Resource Management
Security
Kubernetes
Medium2 mins
Solve
Ingress from namespace
Network
Network Policies
Kubernetes
Medium3 mins
Solve
Pod Affinity and Resource Quota Compliance
Pod Scheduling
Resource Management
Kubernetes
Medium2 mins
Solve
Resource limits
Pods
Containers
Kubernetes
Easy3 mins
Solve

Test candidates on core Kubernetes Hiring Test topics

Kubernetes Architecture: This skill provides an understanding of the overall structure and components of the Kubernetes system, such as the master node, worker nodes, and control plane. It is essential to measure this skill in the test to ensure that candidates have a solid foundation in the fundamental architecture of Kubernetes.

Containerization: This skill involves packaging applications and their dependencies into self-contained units called containers. It is crucial to measure this skill to assess a candidate's ability to effectively utilize containerization technology, which is a key component of Kubernetes applications.

Pods: Pods are the smallest deployable units in Kubernetes, consisting of one or more containers. Measuring this skill helps evaluate a candidate's understanding of how to manage and orchestrate containers within a pod, ensuring proper communication and resource sharing.

Deployments: This skill focuses on managing the rollout and scaling of application changes in Kubernetes. It is important to measure this skill to assess a candidate's proficiency in ensuring the availability and reliability of applications during the deployment process.

Services: Services in Kubernetes enable communication and load balancing between pods. Measuring this skill helps evaluate a candidate's knowledge of configuring and managing services to ensure efficient network communication and high availability of applications.

Volumes: Volumes provide persistent storage for containers in Kubernetes. Measuring this skill helps assess a candidate's ability to handle data persistence and manage storage resources effectively within a Kubernetes environment.

Networking in Kubernetes: Understanding networking concepts in Kubernetes is crucial for managing communication between pods and services. This skill should be measured to evaluate a candidate's knowledge of networking models, routing, and traffic management within a Kubernetes cluster.

Scaling and Load Balancing: This skill involves the ability to scale applications in a Kubernetes cluster to handle increased workload and ensure optimal resource utilization. Measuring this skill helps assess a candidate's proficiency in managing application scalability and load balancing.

Security in Kubernetes: This skill focuses on implementing security measures and best practices within a Kubernetes environment. Measuring this skill helps evaluate a candidate's understanding of securing containerized applications, network communication, and access control in Kubernetes.

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Have questions about the Kubernetes Hiring Test?

What roles can I use the Kubernetes Test for?

Here are few roles for which we recommend this test:

  • Kubernetes Administrator
  • DevOps Engineer
  • Cloud Engineer
  • Site Reliability Engineer
  • Software Engineer
Can I combine the Kubernetes Online Test with Ado.Net Test?

Yes, recruiters can request a custom test that includes both Kubernetes and Ado.Net skills. For more details on how we assess Ado.Net, please visit Ado.Net Test.

How to use the Kubernetes Online Test in my hiring process?

Use this test as a pre-screening tool at the beginning of your recruitment process. Add a link to the test in your job posts or directly invite candidates by email. Adaface helps you find the most skilled candidates faster.

What are the main DevOps tests?
Do you have any anti-cheating or proctoring features in place?

We have the following anti-cheating features in place:

  • Non-googleable questions
  • IP proctoring
  • Screen proctoring
  • Web proctoring
  • Webcam proctoring
  • Plagiarism detection
  • Secure browser
  • Copy paste protection

Read more about the proctoring features.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

Can I get a free trial?

Yes, you can sign up for free and preview this test.

What is Kubernetes Online Test?

The Kubernetes Online Test evaluates a candidate's knowledge and proficiency in Kubernetes. This test is commonly used by recruiters to assess the skills of potential hires for roles involving container orchestration and microservices architecture.

What skills are assessed in the Kubernetes Online Test?

The test assesses Kubernetes Architecture, Containerization, Pods, Deployments, Services, Volumes, Networking in Kubernetes, Scaling and Load Balancing, and Security in Kubernetes. For senior roles, it also evaluates advanced concepts like resource optimization, RBAC, monitoring, and disaster recovery.

Can I test Docker and Kubernetes together in a single test?

Yes, you can test both Docker and Kubernetes together. This combination is recommended for roles requiring strong containerization skills. Check out the Docker Test for details on Docker assessment.

Can I combine multiple skills into one custom assessment?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

What is the cost of using this test?

You can check out our pricing plans.

I just moved to a paid plan. How can I request a custom assessment?

Here is a quick guide on how to request a custom assessment on Adaface.

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