Kubernetes Interview Questions and Answers
Question - 31 : - What are the tools that are used for container monitoring?
Answer - 31 : -
Tools that are used for container monitoring are:
- Heapster
- cAdvisor
- Prometheus
- InfluxDB
- Grafana
Question - 32 : - List components of Kubernetes
Answer - 32 : -
There are three components of Kubernetes, they are:
- Addons
- Node components
- Master Components
Question - 33 : - Define headless service
Answer - 33 : -
Headless service is defined as a service that uses IP address, but instead of load balancing, it returns of associated pods.
Question - 34 : - What are the important components of node status?
Answer - 34 : -
The important component of node status are:
- Condition
- Capacity
- Info
- Address
Question - 35 : - What is minikube?
Answer - 35 : -
Minikube is a software that helps the user to run Kubernetes. It runs on the single nodes that are inside VM on your computer. This tool is also used by programmers who are developing an application using Kubernetes.
Question - 36 : - Mention the uses of GKE
Answer - 36 : -
The uses of the GKE (Google Kubernetes Engine) are:
- It can be used to create docker container clusters
- Resize application controllers
- Update and then upgrade the clusters of container
- Debug cluster of the container.
- GKE can be used to creates a replication controller, jobs, services, container pods, or load balancer.
Question - 37 : - Explain the types of Kubernetes pods
Answer - 37 : -
There are two types of pods in Kubernetes:
- Single Container Pod: It can be created with the run command.
- Multicontainer pods: It can be created using the “create” command in Kubernetes.
Question - 38 : - Why uses Kube-apiserver?
Answer - 38 : -
Kube-apiserver is an API server of Kubernetes that is used to configure and validate API objects, which include services, controllers, etc. It provides the frontend to the cluster’s shared region using which components interact with each other.
Question - 39 : - List out some important Kubectl commands:
Answer - 39 : -
The important Kubectl commands are:
- kubectl annotate
- kubectl cluster-info
- kubectl attach
- kubectl apply
- kubectl config
- kubectl autoscale
- kubectl config current-context
- kubectl config set.
Question - 40 : - Explain Replica set
Answer - 40 : -
A Replica set is used to keep replica pods stable. It enables us to specify the available number of identical pods. This can be considered a replacement for the replication .controller.