cloudEQ Devops Engineer Interview Questions, Process, and Tips

Questions about networking and dsa

Q1. Basic DSA and networking
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Q1. What is differnece between load balancer and autoscaling group, what is iam role and iam user
Ans. 
Load balancer distributes incoming network traffic across multiple servers, while autoscaling group automatically adjusts the number of instances based on traffic.
• Load balancer distributes traffic evenly across multiple servers to improve performance and reliability

• Autoscaling group automatically adjusts the number of instances based on traffic demand

• IAM role defines a set of permissions for AWS resources, while IAM us...read more
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Q2. What is the difference betwean iam role and iam user
Ans. 
IAM role is used to grant permissions to AWS services, while IAM user is used to grant permissions to individuals.
• IAM role is used to delegate access to AWS services, such as EC2 instances or Lambda functions

• IAM user is used to grant permissions to individuals who need to interact with AWS resources

• IAM roles do not have long-term credentials like IAM users, instead they are assumed by trusted entities

• IAM users have the...read more
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Q3. What is aws config
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AWS Config is a service that provides a detailed inventory of AWS resources and configuration settings.
• AWS Config continuously monitors and records configurations of AWS resources.

• It helps assess, audit, and evaluate the configurations for compliance.

• AWS Config can be used to track changes to resources over time.

• It provides a history of resource configuration changes for troubleshooting and security analysis.
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Q4. What is tf state file
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Tf state file is a JSON file that stores the current state of your infrastructure managed by Terraform.
• Contains information about resources, their attributes, and dependencies

• Used by Terraform to keep track of the infrastructure state

• Should be stored securely and not shared publicly
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Q5. Explain the concept of manifest files in k8
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Manifest files in k8 are configuration files used to define the desired state of resources in a Kubernetes cluster.
• Manifest files are written in YAML or JSON format.

• They define the resources like pods, services, deployments, etc., that should be created in the cluster.

• Manifest files can be applied using kubectl apply command.

• They help in maintaining the desired state of the cluster and managing configurations.

• Example: ...read more
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