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Tecnologia da Informação (TI)
standard

Questões de KCNA

Pratique com as questões oficiais e inéditas do exame KCNA.

1
medium
Containerization
Com explicação

What native runtime is Open Container Initiative (OCI) compliant?

2
medium
Networking
Com explicação

What function does kube-proxy provide to a cluster?

3
medium
Kubernetes Cluster Architecture
Com explicação

Which of these events will cause the kube-scheduler to assign a Pod to a node?

4
medium
Storage Management
Com explicação

Which resource do you use to attach a volume in a Pod?

5
medium
Container Orchestration
Com explicação

Which key-value store is used to persist Kubernetes cluster data?

6
medium
Container Orchestration
Com explicação

What Linux namespace is shared by default by containers running within a Kubernetes Pod?

7
medium
Containerization
Com explicação

What is a Dockerfile?

8
medium
Kubernetes
Com explicação

What does the "nodeSelector" within a PodSpec use to place Pods on the target nodes?

9
medium
Kubernetes Workload Management
Com explicação

What do Deployments and StatefulSets have in common?

10
medium
Cloud Computing
Com explicação

What is the practice of bringing financial accountability to the variable spend model of cloud resources?

11
medium
Containerization
Com explicação

What is a best practice to minimize the container image size?

12
medium
Kubernetes Administration
Com explicação

How long should a stable API element in Kubernetes be supported (at minimum) after deprecation?

13
medium
Service Configuration
Com explicação

Which tools enable Kubernetes HorizontalPodAutoscalers to use custom, application-generated metrics to trigger scaling events?

14
medium
Monitoring and Logging
Com explicação

Which of the following is a valid PromQL query?

15
medium
System Administration
Com explicação

Which of the following best describes horizontally scaling an application deployment?

16
medium
Service Configuration
Com explicação

How many different Kubernetes service types can you define?

17
medium
Kubernetes
Com explicação

What is the difference between a Deployment and a ReplicaSet?

18
medium
Container Orchestration
Com explicação

The Container Runtime Interface (CRI) defines the protocol for the communication between:

19
medium
Kubernetes Security
Com explicação

Which authorization-mode allows granular control over the operations that different entities can perform on different objects in a Kubernetes cluster?

20
medium
Kubernetes Package Management
Com explicação

Which of the following is a correct definition of a Helm chart?