Credentia Enterprises Flutter Developer Interview Questions, Process, and Tips

Q1. Bloc state management
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Q2. Api calling in flutter
Ans. 
Api calling in Flutter involves making HTTP requests to fetch data from a server.
• Use packages like http or dio to make API calls in Flutter

• Handle asynchronous operations using Future and async/await

• Parse JSON data using json.decode() method

• Implement error handling for network requests
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Q1. Flutter and dart related
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Company ask me logical question

Q1. About your self
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Q2. Your Current CTC
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Q1. What is Flutter
Ans. 
Flutter is a UI toolkit from Google for building natively compiled applications for mobile, web, and desktop from a single codebase.
• Developed by Google

• Uses Dart programming language

• Allows for building cross-platform applications with a single codebase

• Hot reload feature for quick development iterations
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Q2. Why select Flutter
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Company give me one UI and give 3 API and I make that UI and Retrieve API data

Q1. Create a. cI/CD Pipe line
Ans. 
Set up a CI/CD pipeline for automated software delivery
• Choose a CI/CD tool like Jenkins, GitLab CI, or CircleCI

• Create a repository for your code on a version control system like GitHub

• Set up a build stage to compile the code and run tests

• Add a deployment stage to deploy the code to a testing environment

• Configure automated testing and quality checks in the pipeline

• Integrate with tools like Docker for containerization an
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Q2. How to integrate end -end testing in CI/CD pipeline
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End-to-end testing can be integrated into CI/CD pipelines by automating test scripts and running them after each code change.
• Automate end-to-end test scripts using tools like Selenium or Cypress

• Integrate the automated tests into the CI/CD pipeline to run after each code change

• Use tools like Jenkins or GitLab CI to trigger the end-to-end tests

• Monitor test results and failures to ensure code quality and reliability
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Q1. Domian credit card knowledge
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Q2. Standards for payment gateways
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Standards for payment gateways ensure secure transactions and data protection.
• Payment Card Industry Data Security Standard (PCI DSS) compliance is essential for all payment gateways.

• Encryption protocols like SSL/TLS should be used to protect sensitive information.

• Tokenization can help prevent fraud by replacing card details with a unique token.

• Two-factor authentication adds an extra layer of security for transactions.

• R...read more
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Q1. NA.............
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Q2. NA.............
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Q1. NA.............
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Q2. NA.............
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Q2. NA.............
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Q1. What is trigger
Ans. 
A trigger is a special kind of stored procedure that automatically executes when an event occurs in the database management system.
• Triggers can be used to enforce business rules, maintain referential integrity, or audit changes to data.

• Examples of triggers include automatically updating a timestamp when a record is modified, preventing deletion of a record based on certain conditions, or sending an email notification w
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Q2. What is dbms and explain all kinds of normalization in oracle
Ans. 
DBMS stands for Database Management System. Normalization in Oracle is the process of organizing data in a database efficiently.
• DBMS is a software that manages databases, allowing users to store, retrieve, and manipulate data.

• Normalization in Oracle involves organizing data into tables and columns to reduce redundancy and improve data integrity.

• There are different levels of normalization, such as First Normal Form (1NF...read more
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Q1. What is your day to day job as DevOps Engineer?
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Q2. How did you create cicd pipelines?
Ans. 
I created CI/CD pipelines using Jenkins and GitLab CI for automated testing and deployment.
• Utilized Jenkins to create pipelines for building, testing, and deploying code

• Integrated GitLab CI for automated testing and deployment processes

• Used Docker containers for consistent environments across different stages

• Implemented version control to track changes and rollback if needed
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Q1. Explain about cloud infra you setup for application deployment
Ans. 
I have set up a scalable cloud infrastructure using AWS for application deployment.
• Utilized AWS services such as EC2, S3, RDS, and Elastic Beanstalk for hosting and managing the application

• Implemented auto-scaling and load balancing to ensure high availability and performance

• Configured security groups, IAM roles, and VPC settings to secure the infrastructure

• Used CloudFormation templates for infrastructure as code to au
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Q2. How did you use terraform to build the infrastructure?
Ans. 
I used Terraform to automate the provisioning and management of infrastructure resources.
• I defined infrastructure as code using Terraform configuration files

• I used Terraform commands to create, update, and destroy infrastructure resources

• I leveraged Terraform modules to reuse and share infrastructure configurations

• I integrated Terraform with version control systems for collaboration and versioning

• I utilized Terraform p...read more
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Basic situational based question

Q1. Basic experience
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Q2. Roles and responsibilities
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Q3. Asked my past projects
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Q4. Asked behavioral questions
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Q5. Asked my salary expectations
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