Nano Nino Interview Questions and Answers

Q1. How we can promote website in google?
Ans. 
Promote a website on Google by utilizing SEO strategies, Google Ads, creating quality content, and building backlinks.
• Optimize website for SEO with relevant keywords and meta tags

• Run Google Ads campaigns targeting relevant keywords and audiences

• Create high-quality content that is valuable to users and encourages engagement

• Build backlinks from reputable websites to improve website authority
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Q2. What is Search Engine Optimization?
Ans. 
SEO is the practice of optimizing websites to improve their visibility and ranking on search engine results pages.
• SEO involves keyword research to identify popular search terms

• Optimizing website content and structure to improve search engine rankings

• Building backlinks from reputable websites to increase credibility

• Monitoring and analyzing website traffic and performance using tools like Google Analytics
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Q3. What is Social Media Optimization?
Ans. 
SMO is the process of optimizing social media platforms to increase brand visibility and engagement.
• Creating engaging content to attract followers

• Using hashtags and keywords to improve discoverability

• Interacting with followers through comments and messages

• Analyzing data to track performance and make improvements
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Q1. How we can Improve our ranking in Google?
Ans. 
Improving Google ranking involves optimizing website content, building quality backlinks, and focusing on user experience.
• Optimize website content with relevant keywords and meta tags

• Build quality backlinks from reputable websites

• Focus on improving user experience with fast loading times and mobile optimization
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Hacker Rack Test with medium to high difficulty

Q1. Explain your current project
Ans. 
I am currently working on developing a mobile application for tracking fitness goals and progress.
• Developing a mobile app using React Native

• Implementing features such as goal setting, progress tracking, and workout logging

• Integrating with wearable devices like Fitbit for data synchronization
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Q2. Questions about kakfa, ES and Java 8
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Q1. Similar questions on your current project and questions around kafka
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Basic Coding Java and algorithm questions

Q1. Create basic react app with dummy data fetched from JSON API
Ans. 
Create a basic React app with dummy data fetched from a JSON API.
• Set up a new React project using create-react-app

• Create a component to fetch data from a JSON API using fetch or axios

• Display the fetched data in the component
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Q2. Array methods and Flatten array
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Q3. Event loop
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Q4. HTML and Javascript basics
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Normal Aptitude and Basics of the Computer Core Questions

Q1. Tell about Yourself
Ans. 
I am a software developer with 5 years of experience in developing web applications using Java, Spring Boot, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring Boot, and Angular

• Strong problem-solving skills

• Experience working in Agile development environment

• Passionate about learning new technologies
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Q2. Write the code abt the right binary tree?
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Q1. Normal Hr Questions
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Q1. Concept of Hoisting in Javascript
Ans. 
Hoisting is a JavaScript behavior where variable and function declarations are moved to the top of their containing scope during compilation.
• Variable declarations are hoisted to the top of their scope, but not their initializations.

• Function declarations are fully hoisted, including their definitions.

• Hoisting can lead to unexpected behavior if not understood properly.
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Q2. What is arrow function
Ans. 
Arrow functions are a concise way to write functions in JavaScript.
• Arrow functions are anonymous functions defined using the '=>' syntax.

• They have a shorter syntax compared to traditional function expressions.

• Arrow functions do not have their own 'this' keyword, instead they inherit it from the parent scope.
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Q3. Polyfill of Promise
Ans. 
Polyfill of Promise is a code that adds Promise functionality to browsers that do not support it natively.
• Polyfill is a piece of code that provides the technology that you expect the browser to provide natively.

• Polyfill for Promise adds Promise functionality to browsers that do not support it, allowing developers to use Promises in their code.

• Examples of Promise polyfills include 'es6-promise' and 'promise-polyfill'.
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Q1. Implementation of carousel
Ans. 
Implementing a carousel for displaying multiple images or content in a rotating manner.
• Use a library like Slick or Owl Carousel for easy implementation

• Ensure images/content are responsive for different screen sizes

• Add navigation arrows or dots for user interaction

• Consider adding autoplay feature with customizable speed

• Optimize performance by lazy loading images
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Q1. SQL Questions - Constraints- how to optimize long SQL query without changing the output
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Q1. Knowledge about API, ERP, SAP, DBMS, RDBMS, Joins, Normalisation, Codd Rules, Relational Algebra. May ask based on two given tables.
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Q2. JSON, XML, OAuth, REST API, SOAP, GraphQL, HTTP Methods
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Q3. HR questions, basic background, knowledge about B2B, B2C, e-commerce,
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Q1. Details on project, API, procedures of API, knowledge on e-commerce, business aspects of your own projects, Core DBMS, RDBMS, Difference between SQL and NoSQL
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Q2. May give 2 tables and check whether they are normalised or not. If not what should be done. Join them using left join or right join.
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Q3. API, Types of Auth tokens (OAuth, Google Auth, JWT)
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Q4. Procedures of ERP
Ans. 
Procedures of ERP involve defining business processes, configuring the system, testing, training, and ongoing support.
• Define business processes to align with ERP system capabilities

• Configure the ERP system based on defined processes

• Test the system to ensure functionality and data accuracy

• Provide training to users on how to use the ERP system effectively

• Offer ongoing support for system maintenance and troubleshooting
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Q1. Question based on CV
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1 hour - NodeJS Based

Q1. High Level System Design
Ans. 
High level system design involves creating an overall architecture for a software system.
• Identify the main components of the system

• Define the interactions between the components

• Consider scalability, reliability, and performance

• Use diagrams to visualize the design

• Example: Designing a social media platform with user profiles, posts, and messaging functionality
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Q1. Low Level System Design
Ans. 
Low level system design involves designing the internal components of a software system.
• Focus on the architecture of the system at a detailed level

• Consider how different components interact with each other

• Optimize for performance and efficiency

• Think about scalability and maintainability

• Examples: designing a database schema, creating algorithms for data processing
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Q1. Culture Fit Round - Strength, Challenges etc
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