18 Questions
What is the main purpose of nodes in a Kubernetes cluster?
Host containerized applications
Which Kubernetes component represents a single instance of a running process in the cluster?
Pod
What is the main function of Services in Kubernetes?
Enable communication between Pods
In Kubernetes, what is the purpose of labels and selectors?
Identify and group objects for operations
Which component in Kubernetes represents a collection of nodes running containerized applications?
Cluster
What is the smallest deployable unit in Kubernetes?
Pod
What is the purpose of environment variables set by Kubernetes for each active service in a Pod?
To allow Pods to easily locate and connect to services
What is the main purpose of labels in Kubernetes?
To organize and select subsets of objects
How do labels differ from environment variables in Kubernetes?
Labels are arbitrary key-value pairs for objects, while environment variables help Pods connect to services
Which of the following is a purpose of selectors in Kubernetes?
Efficient Resource Allocation
Can multiple objects in Kubernetes have the same label?
Yes, labels are not unique and multiple objects can have the same label(s)
How do selectors help in directing operations like deployments and updates in Kubernetes?
By ensuring operations are directed to the correct resources based on label criteria
What is the purpose of labels in Kubernetes?
For identification and organization of Kubernetes objects
Which component in a Kubernetes cluster ensures containers are running in a Pod on each node?
Kubelet
What is the purpose of ClusterIP in a Kubernetes cluster?
To allow communication between Pods and Services without exposing them externally
What is the function of a Selector in Kubernetes?
To select objects based on the labels they carry for resource management and organization
Which Kubernetes component serves as the command-line tool for communicating with the cluster?
Kubectl
How does a Kubernetes cluster provide a unified environment for deploying and managing applications?
By abstracting away the underlying infrastructure
Learn about how labels are used as key-value pairs to identify and organize Kubernetes objects, and how selectors help in efficient resource management. Explore key concepts like Kubectl for cluster communication and Kubelet for container supervision.
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