TCS AWS Developer Interview Questions and Answers

Q1. What are this aws
Ans. 
AWS (Amazon Web Services) is a cloud computing platform that offers a wide range of services for businesses and individuals.
• Provides services such as computing power, storage, databases, machine learning, and more

• Allows users to scale resources up or down based on demand

• Offers a pay-as-you-go pricing model

• Popular services include EC2 (Elastic Compute Cloud), S3 (Simple Storage Service), and RDS (Relational Database Ser
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Q2. What are the cloud providers
Ans. 
Cloud providers are companies that offer cloud computing services, allowing users to access and store data and applications on remote servers.
• Amazon Web Services (AWS)

• Microsoft Azure

• Google Cloud Platform

• IBM Cloud

• Oracle Cloud
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What are the tools on devops

Q1. Who was first used on aws
Ans. 
The first service used on AWS was Amazon Elastic Compute Cloud (EC2).
• Amazon EC2 was launched in 2006 as one of the first services offered by AWS.

• It allows users to rent virtual servers on which to run their own applications.

• EC2 provides scalable computing capacity in the cloud.

• Many other AWS services, such as S3 and RDS, rely on EC2 instances for their functionality.
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Q2. Netflix company
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Q1. What are the cloud computing models
Ans. 
Cloud computing models include SaaS, PaaS, and IaaS.
• Software as a Service (SaaS) - applications hosted on cloud and accessed via web browser (e.g. Gmail)

• Platform as a Service (PaaS) - platform and tools provided to develop, test, and deploy applications (e.g. AWS Elastic Beanstalk)

• Infrastructure as a Service (IaaS) - virtualized computing resources like servers, storage, and networking (e.g. AWS EC2)
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Q1. What is vpc and scerious
Ans. 
VPC stands for Virtual Private Cloud, a virtual network dedicated to an AWS account. SCERIOUS is not a recognized term in AWS.
• VPC is used to create isolated virtual networks within AWS

• It allows users to define their own IP address range, subnets, and route tables

• VPC provides control over network traffic, security, and connectivity options
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Q2. S3 name unique or nonuniqe
Ans. 
S3 bucket names are globally unique.
• S3 bucket names must be unique across all AWS accounts.

• Bucket names can contain lowercase letters, numbers, and hyphens.

• Bucket names cannot contain underscores, uppercase letters, or periods.

• Example of a valid bucket name: my-bucket-123

• Example of an invalid bucket name: My_Bucket
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Q3. Different between bound and unbound
Ans. 
Bound refers to a variable that is assigned to a specific value, while unbound refers to a variable that has not yet been assigned a value.
• Bound variables have a specific value assigned to them, while unbound variables do not.

• Bound variables are used in programming to store and manipulate data, while unbound variables are used to represent unknown values.

• Examples of bound variables include constants and variables that ...read more
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Q4. What are usecase of slave and master
Ans. 
Slaves and masters are used in distributed systems for load balancing and fault tolerance.
• In a distributed system, the master node controls and coordinates the work of the slave nodes.

• Slaves perform tasks assigned by the master and report back their results.

• Masters can be used for load balancing, where they distribute tasks evenly among slaves.

• Masters can also be used for fault tolerance, where they can detect when a s...read more
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Q5. About container which tools using container in aws devops
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Q6. Explain Aws and brefi
Ans. 
AWS is a cloud computing platform that provides a wide range of services for building and deploying applications.
• AWS offers services such as compute, storage, databases, and more

• It allows users to easily scale their applications and pay only for what they use

• Brefi is a serverless PHP runtime for AWS Lambda
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They gave some user story according to our coding skills.

Q1. Core python concepts basic and advance both.
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Q2. Questiins regarding AWS skills like IAM Role, S3, EC2, Redshift, Lambda, Kinesis, SES, SNS, SQS, CloudWatch, Glu.
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Q1. Duscussion for the salary package.
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Q1. Jenkins devops tools sonar nexus
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Q2. Aws cli questions python questions
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Q3. Kubernetes pod creation teplicatset events in kubernetes ingress controller
Ans. 
Kubernetes pod creation and replicaset events in Kubernetes Ingress controller.
• Pod creation involves defining a pod specification in a YAML file and using 'kubectl create' command to create the pod.

• Replicaset events can be monitored using 'kubectl describe replicaset' command to check for events related to the replicaset.

• Ingress controller manages external access to services in a Kubernetes cluster by routing traffic b...read more
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Q1. Jenkins job creation image in docker
Ans. 
Creating a Jenkins job using an image in Docker
• Create a Dockerfile with necessary configurations for Jenkins job

• Build a Docker image using the Dockerfile

• Run a Jenkins container using the Docker image

• Configure Jenkins job to use the Docker image as the build environment
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Q2. Pod creation servers creation docker login
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Q3. Hakkakbankaklananbakakanannala
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It wa easy , there were 20 mcq and 2 coding question .

Q1. In the first round of interview it was all techical based question . Topics like OOPs , Data structures were covered.
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Q1. This round was a technical+managerial round. I was given senarious ans situations and asked for solutions for them.
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Q1. This was the last round , and was purely HR based.
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My best past is the core java and oops concepts also

Any one topic I can accept it.

Q1. Tell me about yourself
Ans. 
I am an experienced SQL Developer with a strong background in database management and query optimization.
• Over 5 years of experience in SQL development

• Proficient in writing complex SQL queries and stored procedures

• Expertise in database performance tuning and optimization

• Familiarity with various database management systems such as Oracle, MySQL, and SQL Server

• Strong problem-solving and analytical skills

• Ability to work ef
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Q1. What is your strength
Ans. 
My strength is my ability to write efficient and optimized SQL queries.
• Proficient in writing complex SQL queries

• Optimizing queries for better performance

• Strong understanding of database design principles

• Experience with query tuning and indexing

• Ability to analyze and optimize query execution plans
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