kubectl and Controlled Deployment

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What is one of the main features of Kubernetes related to container management?

Manages user authentication within containers
Provides graphical user interface tools for containers
Automates deployment, scaling, and operations of application containers (correct)
Automates the creation of virtual machines

Which feature of Kubernetes is responsible for assigning DNS names or IP addresses to containers and balancing loads?

Secret and Configuration Management
Service Discovery and Load Balancing (correct)
Automated Rollouts and Rollbacks
Storage Orchestration

In Kubernetes, what does 'Automated Rollouts and Rollbacks' refer to?

Safely storing and managing sensitive information
Managing the deployment process to ensure only healthy containers are deployed (correct)
Automatically restarting failing containers for application reliability
Optimizing resource allocation based on container requirements

Which of the following is a common use case for Kubernetes related to managing and scaling microservices efficiently?

Microservices Architecture (B) Signup and view all the answers

What type of applications can Kubernetes help build and deploy in public, private, or hybrid clouds?

Cloud-native Applications (C) Signup and view all the answers

Which Kubernetes feature optimizes resource allocation to containers based on their requirements?

Automatic Bin Packing (C) Signup and view all the answers

What is a Cluster in Kubernetes?

A collection of Nodes that run containerized applications (D) Signup and view all the answers

What is the main function of Nodes in a Kubernetes cluster?

To run containerized applications (D) Signup and view all the answers

What is a Pod in Kubernetes?

The smallest deployable unit that can be created, scheduled, and managed in Kubernetes (A) Signup and view all the answers

What is the purpose of Services in Kubernetes?

To provide access to external sources (D) Signup and view all the answers

What is used to deploy applications in Kubernetes?

.yml file (C) Signup and view all the answers

How can you scale a deployment in Kubernetes?

By modifying the deployment file to increase the number of replicas (C) Signup and view all the answers

What tool is used to deploy an application in Kubernetes?

kubectl (B) Signup and view all the answers

Which controller decides where to place Pods in a Kubernetes cluster based on the current load and resources of the nodes?

Deployment controller (A) Signup and view all the answers

What command is used to create a deployment from a YAML file in Kubernetes?

kubectl create -f deployment_file.yaml (A) Signup and view all the answers

Which file type is used to define Pod specifications in Kubernetes?

.yaml (D) Signup and view all the answers

What is the preferred command for updating resources that may need changes over time in Kubernetes?

kubectl apply (B) Signup and view all the answers

Which Kubernetes resource can be listed using the command 'kubectl get deployments'?

Deployments (A) Signup and view all the answers