先試後買

A. To distribute traffic between different application versions as part of a deployment strategy.

B. To move and reschedule application instances across nodes in the cluster for efficiency.

C. To distribute requests evenly across instances of an application to improve availability and reliability.

D. To automatically measure and compare request performance across instances of an application.

A. To track performance metrics and report health status for nodes and Pods.

B. To allocate and manage persistent volumes required by stateful applications.

C. To coordinate rolling updates of Pods when deploying new application versions.

D. To automatically scale the number of Pod replicas based on resource utilization.

A. CRI-0

B. containerd

C. systemd

D. dockershim

A. helm uninstall mysql-1234

B. helm reject mysql-1234

C. helm erase mysql-1234

D. helm remove mysql-1234

A. 5

B. 4

C. 2

D. 3

A. kubectl delete node-2

B. kubectl drain node-2

C. kubectl cordon node-2

D. kubectl pause deployment

A. kubelet

B. etcd

C. kube-proxy

D. kube-controller-manager

A. The Horizontal Pod Autoscaler controller adds more CPU or memory to the pods when the load is above the configured threshold, and reduces CPU or memory when the load is below.

B. The Horizontal Pod Autoscaler controller adds more pods when the load is above the configured threshold, but does not reduce the number of pods when the load is below.

C. The Horizontal Pod Autoscaler controller adds more pods when the load is above the configured threshold, and reduces the number of pods when the load is below.

D. The Horizontal Pod Autoscaler controller adds more pods to the specified DaemonSet when the load is above the configured threshold, and reduces the number of pods when the load is below.

A. The software may contain bugs. Enabling a feature may expose bugs.

B. The version will remain available for all future releases within a Kubernetes major version.

C. The software is well tested. Enabling a feature is considered safe.

D. The API may change in incompatible ways in a later software release without notice.

A. SELECT * from http_requests_total WHERE job=apiserver

B. http_requests_total WHERE (job="apiserver")

C. http_requests_total(job="apiserver")

D. SELECT * from http_requests_total

A. Rook

B. Kubernetes

C. Helm

D. Container Storage Interface (CSI)

A. The lack of services provided by the most common public clouds

B. The operational costs of maintaining the data center of the company.

C. The lack of different container images available in public image repositories.

D. The cost optimization is complex to maintain across different public cloud environments.