KCNA Practice Questions

A.  

The kube-proxy balances network requests to Pods.

B.  

The kube-proxy maintains network rules on nodes.

C.  

The kube-proxy ensures the cluster connectivity with the internet.

D.  

The kube-proxy maintains the DNS rules of the cluster.

A.  

apt

B.  

helm

C.  

service

D.  

brew

A.  

The continuous integration and testing of code changes from multiple sources manually.

B.  

The continuous integration and testing of code changes from multiple sources via automation.

C.  

The continuous integration of changes from one environment to another.

D.  

The continuous integration of new tools to support developers in a project.

A.  

Adding/removing applications to meet demand.

B.  

Adding/removing node instances to the cluster to meet demand.

C.  

Adding/removing resources to applications to meet demand.

D.  

Adding/removing application instances of the same application to meet demand.

A.  

kubectl exec --

B.  

docker exec

C.  

kubectl run --

D.  

kubectl attach -i

A.  

It’s a type of workload that ensures a specific set of nodes run a copy of a Pod.

B.  

It’s a type of workload responsible for maintaining a stable set of replica Pods running in any node.

C.  

It’s a type of workload that needs to be run periodically on a given schedule.

D.  

It’s a type of workload that provides guarantees about ordering, uniqueness, and identity of a set of Pods.

A.  

To automatically scale workloads based on CPU and memory utilization.

B.  

To provide clearer role separation between infrastructure providers and application developers.

C.  

To configure routing rules through annotations directly on Ingress resources.

D.  

To expose an application externally by creating only a Service resource.

A.  

kubelet manages the container runtime and ensures that all Pods scheduled to the node are running as expected.

B.  

kubelet configures networking rules on each node to handle traffic routing for Services in the cluster.

C.  

kubelet monitors cluster-wide resource usage and assigns Pods to the most suitable nodes for execution.

D.  

kubelet acts as the primary API component that stores and manages cluster state information.

A.  

Cloud Controller Manager

B.  

Load Balancer Manager

C.  

Cloud Architecture Manager

D.  

Cloud Load Balancer Manager

A.  

Open source projects succeed when contributors focus on code quality without the overhead of community engagement.

B.  

Maintainers of open source projects act independently to make technical decisions without requiring input from contributors.

C.  

Community stewardship emphasizes guiding project growth but does not necessarily include sustainability considerations.

D.  

Community events and working groups foster collaboration by bringing people together to share knowledge and build connections.