Accenture DevOps Manager Interview Questions and Answers

Q1. Ci cd pipeline and variables?
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Q2. Blue green and canary deployment kubernetes
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Q3. Security in Terraform
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Security in Terraform involves managing sensitive data, implementing access controls, and using secure communication channels.
• Use Terraform's sensitive data handling features like sensitive variables and sensitive outputs to protect sensitive information.

• Implement access controls using Terraform's built-in features like IAM policies, resource-level permissions, and secure storage backends.

• Use secure communication chann...read more
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Q4. Helm chart and how to use it?
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Helm is a package manager for Kubernetes that simplifies the deployment and management of applications.
• Helm charts are packages of pre-configured Kubernetes resources that can be easily deployed using Helm.

• Helm charts are written in YAML and can include templates for Kubernetes manifests.

• Helm allows for easy versioning, sharing, and management of Kubernetes applications.

• To use Helm, you need to install the Helm client ...read more
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Q5. Branching strategies
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Q1. Explain the Role and Functionality of the Control Plane Components in Kubernetes.
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Control plane components in Kubernetes manage the cluster and make decisions about the state of the cluster.
• Control Manager: Ensures that the desired state of the cluster matches the actual state.

• Scheduler: Assigns workloads to nodes based on resource availability and constraints.

• API Server: Acts as the front-end for the Kubernetes control plane and is the primary interface for users and other components.

• etcd: Consiste...read more
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Q2. How Would You Implement Zero-Downtime Deployments in Kubernetes?
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Implementing zero-downtime deployments in Kubernetes involves using rolling updates and readiness probes.
• Use rolling updates to gradually replace old pods with new ones

• Configure readiness probes to ensure new pods are ready before routing traffic to them

• Utilize tools like Helm for managing releases and versioning
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Q1. How Can You Ensure High Availability of the etcd Cluster Used by Kubernetes?
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To ensure high availability of the etcd cluster used by Kubernetes, you can implement redundancy, monitoring, and disaster recovery strategies.
• Implement a multi-node etcd cluster to ensure redundancy and fault tolerance.

• Utilize monitoring tools like Prometheus and Grafana to track the health and performance of the etcd cluster.

• Set up regular backups and implement disaster recovery plans to quickly recover from failures...read more
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Q2. How Would You Approach Capacity Planning for a Kubernetes Cluster?
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Capacity planning for a Kubernetes cluster involves analyzing resource usage, predicting future needs, and scaling infrastructure accordingly.
• Monitor resource usage of pods and nodes using tools like Prometheus and Grafana

• Analyze historical data to identify trends and patterns in resource consumption

• Estimate future resource requirements based on application growth and workload changes

• Scale the cluster by adding or remo...read more
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Q1. S3 storwge class
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Q2. Day to day activities in current role
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Q3. Amazon vpc advantages vpc peering
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Q4. Jenkins pipeline building
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Q5. Terraform validate command
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Q1. Write a Dockerfile for any of the applications
Ans. 
A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.
• Start with a base image (e.g. FROM ubuntu:latest)

• Install dependencies and set up environment (e.g. RUN apt-get update && apt-get install -y python3)

• Copy application code into the image (e.g. COPY . /app)

• Set the default command to run when the container starts (e.g. CMD ["python3", "app.py"])

• Build th...read more
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Q2. Program which is related to file parsing
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Q1. Can you explain in detail about clusters creation and how you handled practical bugs?
Ans. 
Clusters creation involves setting up multiple servers to work together, while handling practical bugs requires troubleshooting and fixing issues in the cluster.
• Clusters creation involves setting up multiple servers to work together to distribute workload and increase reliability.

• Tools like Kubernetes or Docker Swarm can be used to create and manage clusters efficiently.

• Practical bugs in clusters can include network is...read more
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Q2. How much do you experience in Ansible
Ans. 
I have 3 years of experience working with Ansible in automating infrastructure and configuration management.
• Implemented Ansible playbooks to automate deployment of applications across multiple servers

• Utilized Ansible roles to standardize configurations and ensure consistency

• Integrated Ansible with CI/CD pipelines for continuous deployment

• Troubleshooted and resolved issues related to Ansible scripts and configurations
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Q1. How to call APIs in Python
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To call APIs in Python, you can use libraries like requests or urllib.
• Use the requests library to make HTTP requests to APIs

• Send GET, POST, PUT, DELETE requests using requests library

• Parse JSON responses using the json module
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Q2. How to write script to configure Veracode with ADO
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To configure Veracode with ADO, you can write a script that automates the process of setting up the integration.
• Use Veracode API to authenticate and interact with Veracode services

• Create a script that retrieves Veracode API credentials from ADO secure variables

• Automate the process of configuring Veracode settings in ADO pipelines
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Q1. What is devops explain tools in devops
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DevOps is a software development methodology that combines software development with IT operations to shorten the systems development life cycle.
• DevOps is a combination of Development (Dev) and Operations (Ops)

• It focuses on collaboration, automation, and integration between developers and IT operations

• Tools in DevOps include Jenkins, Docker, Ansible, Git, Kubernetes, etc.
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Q2. How to create s3 bucket and explain
Ans. 
To create an S3 bucket, you can use the AWS Management Console, AWS CLI, or AWS SDKs.
• Use the AWS Management Console to create an S3 bucket by navigating to the S3 service, clicking on 'Create bucket', and following the prompts.

• Use the AWS CLI command 'aws s3api create-bucket' to create an S3 bucket from the command line.

• Use AWS SDKs such as boto3 for Python or AWS SDK for Java to programmatically create an S3 bucket.
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Q3. What is ec2 instance
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An EC2 instance is a virtual server in Amazon Web Services (AWS) Elastic Compute Cloud (EC2) service.
• Virtual server in AWS EC2 service

• Can be easily scaled up or down based on demand

• Can run various operating systems and applications

• Example: t2.micro, m5.large
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30 Minutes Round- Easy to moderate level

Q1. Day to day activities?
Ans. 
Day to day activities involve managing Azure DevOps pipelines, monitoring builds, resolving issues, collaborating with teams.
• Managing Azure DevOps pipelines for continuous integration and deployment

• Monitoring builds and deployments for any issues or failures

• Resolving any issues that arise during the development process

• Collaborating with development teams to ensure smooth workflow and communication

• Implementing best prac...read more
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Q2. Quetsions on various devops tools
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