Utkarsh Classes Senior Devops Engineer Interview Questions and Answers

Two Medium DSA problem to solve

Q1. Design scalable Streaming pipeline and
Ans. 
Design a scalable streaming pipeline for processing large volumes of data.
• Use a distributed streaming framework like Apache Kafka or Apache Flink for real-time data processing.

• Implement data partitioning and parallel processing to handle high data throughput.

• Utilize cloud services like AWS Kinesis or Google Cloud Pub/Sub for scalability and reliability.

• Include fault tolerance mechanisms like checkpointing and data repl...read more
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Q1. LLD round , write classes and its methods
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Q1. Salary and benefits discussion
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Q1. Difference between docker and Kubernetes
Ans. 
Docker is a containerization platform for packaging, distributing, and running applications, while Kubernetes is a container orchestration platform for automating deployment, scaling, and management of containerized applications.
• Docker is used for creating and managing containers, while Kubernetes is used for orchestrating multiple containers into a cluster.

• Docker provides a way to package applications and their depend...read more
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Q2. Difference between cloud and on-premise
Ans. 
Cloud refers to services and resources accessed over the internet, while on-premise refers to resources located within an organization's physical premises.
• Cloud services are accessed over the internet, allowing for scalability and flexibility.

• On-premise resources are physically located within an organization's premises, providing more control over security and data.

• Cloud services are typically pay-as-you-go, while on-p...read more
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Q1. About current company and their company infrastructure roles and responsibilities
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Q2. AWS and GCP discussed
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Q1. Kubernetes and CiCd and cloud
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Q1. 3 rounds last is hr
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Q1. Git Aws Jenkins terraform
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Q1. Salary ,reason for relieving
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Q1. Aws vpc related questions
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Q1. Related to Devops
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General Aptitude with Verbal, Maths and English

Personality test from and online website 16 personalities

Q1. Terraform Task and General Information
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Q1. What is S3? What are key-pairs? what are EBS volumes?
Ans. 
S3 is a scalable storage service provided by AWS. Key-pairs are used for secure access to instances. EBS volumes are block storage volumes for EC2 instances.
• S3 is a scalable storage service provided by AWS

• Key-pairs are used for secure access to instances

• EBS volumes are block storage volumes for EC2 instances
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Q1. Reverse proxy set up in nginx?
Ans. 
Reverse proxy in nginx allows routing client requests to appropriate backend servers.
• Reverse proxy configuration in nginx involves setting up server blocks for each backend server.

• Use the 'proxy_pass' directive to specify the backend server's address.

• Additional configurations like load balancing, caching, and SSL termination can be added to enhance performance and security.
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Q2. Caching mechanism in nginx?
Ans. 
Nginx uses a caching mechanism to store and serve frequently accessed content, improving performance.
• Nginx can cache responses from proxied servers or directly from disk

• Cache directives like proxy_cache_path and proxy_cache control caching behavior

• Cache keys can be customized to include variables like $uri or $args

• Cache expiration can be set using directives like proxy_cache_valid
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