Module 3 Managing Applications with Kubernetes Flashcards
What will occur in the Horizontal Pod Autoscaler if utilization is higher than specified?
More pods will be created
More pods will be created if the Horizontal Pod Autoscaler detects higher-than-expected utilization.
What happens if worker nodes are under-utilized?
The cluster Autoscaler scales down worker nodes one at a time
The cluster Autoscaler scales down worker nodes one at a time if they are being under-utilized.
In Kubernetes, what component is responsible for scaling out?
Horizontal Pod Autoscaler
The Horizontal Pod Autoscaler is responsible for scaling out in Kubernetes.
Fill in the blank
ConfigMaps and secrets are used to store __________ and __________ respectively.
configurations and credentials
ConfigMaps and secrets are used to store configurations and credentials.
Fill in the blank
Rolling updates provide a way to publish changes to applications without noticeable interruptions and a way to _________ changes so the application can revert to a stable state in the event of errors.
Roll back
Rolling updates give us a way to publish changes to applications without noticeable interruptions and a way to roll back any changes so the application can revert to a stable state in the event of errors.
What does the Horizontal Pod Autoscaler monitor?
CPU utilization
The Horizontal Pod Autoscaler monitors CPU utilization.
Fill in the blank
ReplicaSets enable users to scale applications by running duplicate __________.
pods
ReplicaSets enable users to scale applications by running duplicate pods.
What occurs if the Cluster Autoscaler detects pending pods?
The Autoscaler scales up more worker nodes
The Autoscaler scales up more worker nodes if pending pods are detected.
What can be used to create ConfigMaps?
A file with key-value pairs
A file with key-value pairs can be used to create ConfigMaps
What Kubernetes objects is used to store and manage sensitive information?
Secrets
Secrets are used to store and manage sensitive information in Kubernetes.
