Cricbuzz Devops Engineer Interview Questions and Answers

Q1. What is devops?
Ans. 
DevOps is a software development methodology that combines software development (Dev) with IT operations (Ops) to improve collaboration and efficiency.
• DevOps focuses on automating and streamlining the software development process.

• It emphasizes communication and collaboration between development and operations teams.

• DevOps aims to shorten the development lifecycle and provide continuous delivery of high-quality software...read more
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Q2. How to handle devops operations?
Ans. 
Devops operations involve managing the development and deployment of software applications.
• Automate repetitive tasks to improve efficiency

• Use version control systems like Git for tracking changes

• Implement continuous integration and continuous deployment pipelines

• Monitor system performance and troubleshoot issues proactively
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Q1. What is the difference between devops and sre?
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DevOps focuses on collaboration between development and operations teams, while SRE focuses on reliability and scalability of systems.
• DevOps is a cultural and organizational practice that emphasizes collaboration and communication between development and operations teams.

• SRE (Site Reliability Engineering) is a specific role within an organization that focuses on ensuring the reliability, scalability, and performance of...read more
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Q2. How is the devops important?
Ans. 
DevOps is important for streamlining software development and deployment processes.
• DevOps helps in automating manual tasks, increasing efficiency and reducing errors.

• It promotes collaboration between development and operations teams, leading to faster delivery of software.

• DevOps enables continuous integration and continuous delivery (CI/CD) pipelines, ensuring rapid and reliable software releases.

• It improves overall so...read more
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Q1. What is Persistent volume
Ans. 
Persistent volume is a storage volume that exists beyond the life cycle of a container.
• Persistent volumes are used to store data that needs to persist even if the container is deleted or recreated.

• They are decoupled from the container and can be attached to different containers.

• Examples include network-attached storage (NAS), cloud storage, and local storage.

• Persistent volumes are managed by the storage administrator r
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Q2. Volumein kubernetes which can be attached and deattached
Ans. 
PersistentVolumes (PVs) in Kubernetes can be attached and detached.
• PersistentVolumes (PVs) can be attached to pods using PersistentVolumeClaims (PVCs).

• PVs can be detached from pods when no longer needed.

• Examples of PV types include NFS, iSCSI, and AWS EBS.
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Q1. Question on cloud and kubernetes
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Q1. Nothing much just basic hr question
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Q1. What is vault & how it is integrated with your AWS
Ans. 
Vault is a tool for managing secrets and protecting sensitive data.
• Vault securely stores and manages sensitive information such as API keys, passwords, and certificates.

• It provides a centralized place for managing access control and encryption of data.

• Vault can be integrated with AWS to securely store and retrieve AWS credentials and other sensitive information.

• Integration with AWS allows for automated provisioning and...read more
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Q1. What is your Strength?
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Q1. How many clusters are there in your project?
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Q2. What are the objects in kubernetes service?
Ans. 
Objects in Kubernetes service include pods, services, endpoints, and namespaces.
• Pods: Basic unit of deployment in Kubernetes, consisting of one or more containers.

• Services: Abstraction that defines a logical set of pods and a policy by which to access them.

• Endpoints: Dynamically updated list of IP addresses and ports for pods backing a service.

• Namespaces: Virtual clusters within a Kubernetes cluster, used to divide clu
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Q1. DevOps Concepts, Focused on CICD
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Q1. How can we connection between 2 EC2 instance
Ans. 
You can connect between 2 EC2 instances by using their private IP addresses or public DNS names.
• Use private IP addresses for communication within the same VPC

• Use public DNS names for communication across different VPCs or over the internet
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Q2. How do you connections between public subnet and private subnet.
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Connections between public and private subnets are established using a NAT gateway or a NAT instance.
• Use a NAT gateway to allow instances in a private subnet to initiate outbound traffic to the internet while preventing inbound traffic from reaching those instances.

• Alternatively, use a NAT instance with a security group that only allows inbound traffic from instances in the public subnet.

• Ensure that the route tables fo...read more
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DSA questions leetcode easy level

Q1. Why we Hire you?
Ans. 
I have a strong background in DevOps tools and practices, with a proven track record of successfully implementing automation and improving efficiency.
• Extensive experience with CI/CD pipelines, configuration management, and infrastructure as code

• Strong knowledge of cloud platforms such as AWS, Azure, and GCP

• Ability to collaborate effectively with cross-functional teams to drive continuous improvement

• Proven ability to tr...read more
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Q2. What's your expectations
Ans. 
I expect a challenging role with opportunities for growth and learning in a collaborative team environment.
• Opportunities for professional development

• Collaborative team environment

• Challenging projects

• Clear communication and expectations
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