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Technology Associates Interview Questions and Answers
Technology Associates Interview Experiences
1 interview found
Selected
I applied via Referral and was interviewed before Apr 2023. There was 1 interview round.
(3 Questions)
- Q1. Tell me about yourself
- Q2. Why should we hire you
- Q3. How you can fit in with the team
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IT Helpdesk Coordinator Interview Questions asked at other Companies
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I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(16 Questions)
- Q1. What are custom hooks in React, and what are their use cases? Additionally, can you provide an example of a custom hook that performs an API call and utilizes the retrieved data?
- Ans.
Custom hooks in React are reusable functions that allow you to extract component logic into separate functions for better code organization and reusability.
Custom hooks are created using the 'use' prefix and can be used to share logic between components.
Use cases for custom hooks include fetching data from an API, handling form state, managing local storage, and more.
Example of a custom hook for API call: const useFetc...
- Q2. What is the difference between useMemo and useCallback in React?
- Ans.
useMemo is used to memoize a value, while useCallback is used to memoize a function.
useMemo is used to memoize a value and recompute it only when its dependencies change.
useCallback is used to memoize a callback function and prevent unnecessary re-renders.
Example: useMemo can be used to memoize the result of a complex computation, while useCallback can be used to memoize an event handler function.
- Q3. What is the difference between class-based components and functional components in React?
- Ans.
Class-based components use ES6 classes and have lifecycle methods, while functional components are simpler and use functions.
Class-based components use ES6 classes to create components, while functional components are created using functions.
Class-based components have lifecycle methods like componentDidMount and componentDidUpdate, while functional components do not.
Functional components are simpler and more lightweig...
- Q4. How can you implement the lifecycle of a React component in a functional component?
- Ans.
Implementing the lifecycle of a React component in a functional component
Use the useEffect hook to replicate lifecycle methods like componentDidMount, componentDidUpdate, and componentWillUnmount
Pass an empty array as the second argument to useEffect to mimic componentDidMount
Pass a variable or state as the second argument to useEffect to mimic componentDidUpdate
Return a cleanup function inside useEffect to mimic compo
- Q5. What are the various state management techniques available in React?
- Ans.
Various state management techniques in React include Context API, Redux, and local state.
Context API: React's built-in solution for passing data through the component tree without having to pass props down manually at every level.
Redux: A popular state management library for React applications, allowing for a centralized store to manage application state.
Local state: Managing state within individual components using us
- Q6. What is the architecture of Redux, and what purposes do middlewares serve within it?
- Ans.
Redux is a predictable state container for JavaScript apps. Middlewares are functions that intercept actions before they reach the reducer.
Redux follows a unidirectional data flow architecture.
Middlewares in Redux are functions that can intercept, modify, or dispatch actions.
Common use cases for middlewares include logging, asynchronous API calls, and handling side effects.
Examples of popular Redux middlewares are Redu...
- Q7. What is hoisting in JavaScript?
- Ans.
Hoisting in JavaScript is the behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase.
Variable declarations are hoisted to the top of their scope, but not their initializations.
Function declarations are fully hoisted, meaning they can be called before they are declared.
Hoisting can lead to unexpected behavior if not understood properly.
- Q8. What is event bubbling in JavaScript?
- Ans.
Event bubbling is the propagation of events from the target element up through its ancestors in the DOM tree.
Events triggered on a child element will 'bubble up' and trigger on parent elements.
Event listeners can be attached to parent elements to handle events from multiple child elements.
Stopping event propagation can be done using event.stopPropagation() or event.stopImmediatePropagation().
- Q9. What are block scope and function scope in JavaScript?
- Ans.
Block scope and function scope are two types of scopes in JavaScript that determine the visibility and accessibility of variables.
Block scope refers to the visibility of variables within a block of code enclosed by curly braces. Variables declared with 'let' and 'const' have block scope.
Function scope refers to the visibility of variables within a function. Variables declared with 'var' have function scope.
Variables de...
- Q10. Have you had experience working with semantic tags in HTML?
- Ans.
Yes, I have experience working with semantic tags in HTML.
Used semantic tags like <header>, <nav>, <main>, <section>, <article>, <aside>, <footer> for better structure and SEO.
Understand the importance of using semantic tags for accessibility and search engine optimization.
Semantic tags help in organizing content and making it more readable for developers and browsers.
- Q11. What are the various methods for creating an object in JavaScript?
- Ans.
Various methods for creating an object in JavaScript include object literals, constructor functions, ES6 classes, and Object.create() method.
Object literals: var obj = { key: value };
Constructor functions: function ObjectName() { this.key = value; } var obj = new ObjectName();
ES6 classes: class ClassName { constructor() { this.key = value; } } var obj = new ClassName();
Object.create() method: var obj = Object.create(pr
- Q12. What are the differences between shallow copy and deep copy in JavaScript?
- Ans.
Shallow copy only copies the references of nested objects, while deep copy creates new copies of nested objects.
Shallow copy creates a new object but does not create copies of nested objects, only copies their references.
Deep copy creates a new object and also creates new copies of all nested objects.
Shallow copy can be achieved using Object.assign() or spread operator, while deep copy can be achieved using JSON.parse(
- Q13. What will be the output of the following JavaScript code fragment: `const a; function test() { console.log(a); }; test();`?
- Ans.
The code will throw an error because 'a' is declared but not initialized.
The code will result in a ReferenceError because 'a' is declared but not assigned a value.
Variables declared with 'const' must be initialized at the time of declaration.
Initializing 'a' with a value before calling test() will prevent the error.
- Q14. How can you use CSS to arrange elements in a row and column layout?
- Ans.
CSS can be used to arrange elements in a row and column layout using flexbox or grid layout properties.
Use display: flex; for a row layout and display: flex; flex-direction: column; for a column layout
Use justify-content and align-items properties to align items in the main axis and cross axis respectively
For grid layout, use display: grid; and grid-template-columns or grid-template-rows to define the layout
- Q15. Have you utilized CSS preprocessors, and if so, which ones?
- Ans.
Yes, I have utilized CSS preprocessors such as SASS and LESS.
I have experience using SASS to streamline my CSS workflow by utilizing variables, mixins, and nesting.
I have also worked with LESS to improve code organization and maintainability through features like variables and functions.
- Q16. If I have assigned different colors to an ID and a class and applied both to the same element, which color will be applied based on CSS specificity precedence?
- Ans.
The color applied will be based on the specificity of the selector, with ID having higher specificity than class.
ID has higher specificity than class in CSS
Color applied will be based on the selector with higher specificity
Example: If ID selector has color red and class selector has color blue, the color applied will be red
Interview Preparation Tips
- Javascript
- React.Js
- HTML
- CSS
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed in Nov 2024. There were 4 interview rounds.
(1 Question)
- Q1. Basic question on the tool I use in previous company and ask question on the components of it.
(1 Question)
- Q1. More on what is my role and managerial round.
(1 Question)
- Q1. 2 hour long interview with a panel of 4. Possibly every single question that can be asked and repeatedly same things. They tried understanding the process and functions elaborately way too much which was ...
(1 Question)
- Q1. Everything was already asked. But they need to drench and waste time of the candidate and themselves so they set up another round of technical to ask the same questions again and again.
Interview Preparation Tips
RISHABH Pal
Selected
I applied via Naukri.com and was interviewed in Nov 2024. There were 2 interview rounds.
The Aptitude Test session accesses mathematical and logical reasoning abilities
(6 Questions)
- Q1. What is Vlookup
- Ans.
Vlookup is a function in Excel used to search for a value in a table and return a corresponding value from another column.
Vlookup stands for 'Vertical Lookup'
It is commonly used in Excel to search for a value in the leftmost column of a table and return a value in the same row from a specified column
Syntax: =VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup])
Example: =VLOOKUP(A2, B2:D10, 3, FALSE) - searc...
- Q2. Some IF else Question in Excel
- Q3. What does your day in your previous organization look like?
- Ans.
My day in my previous organization involved analyzing large datasets, creating reports, and presenting findings to stakeholders.
Reviewing and cleaning large datasets to ensure accuracy
Creating visualizations and reports to communicate insights
Collaborating with team members to identify trends and patterns
Presenting findings to stakeholders in meetings or presentations
- Q4. Could you share the technical skills you possess?
- Ans.
I possess strong technical skills in data analysis, including proficiency in programming languages, statistical analysis, and data visualization tools.
Proficient in programming languages such as Python, R, SQL
Skilled in statistical analysis and data modeling techniques
Experience with data visualization tools like Tableau, Power BI
Knowledge of machine learning algorithms and techniques
- Q5. Can you explain what a Pivot Table is?
- Ans.
A Pivot Table is a data summarization tool used in spreadsheet programs to analyze, summarize, and present data in a tabular format.
Pivot tables allow users to reorganize and summarize selected columns and rows of data to obtain desired insights.
Users can easily group and filter data, perform calculations, and create visualizations using pivot tables.
Pivot tables are commonly used in Excel and other spreadsheet program...
- Q6. Find the Highest-paid employee in each department along with their salary and department name.
- Ans.
To find the highest-paid employee in each department, we need to group employees by department and then select the employee with the highest salary in each group.
Group employees by department
Find the employee with the highest salary in each group
Retrieve the employee's name, salary, and department name
Interview Preparation Tips
- SQL
- Excel
- Problem Solving
- PowerBI
- SQL Queries
Be prepared to discuss past challenges and how did you overcome.
I applied via Approached by Company and was interviewed in Nov 2024. There were 2 interview rounds.
(3 Questions)
- Q1. How do you assess if a user story is complete or not. Have you heard about INVEST.
- Q2. Are you aware of RACI matrix.
- Q3. If there are multiple stakeholders and one of the stakeholder is old school and against the new requirement, how do you handle such stakeholder.
(3 Questions)
- Q1. What is the difference between requirement gathering and requirement elicitation.
- Q2. What are the 3Cs of a user story.
- Q3. Traceability matrix
Interview Preparation Tips
- Stakeholder Management
- Requirement Gathering
- user story
Junior Software Programmer Interview Questions & Answers
Teleperformance
Anonymous
posted on 18 Dec 2024
Selected
I applied via Company Website and was interviewed in Nov 2024. There were 3 interview rounds.
The group discussion is the we work with team and the team (Group). The discussion is the company group had the meeting an they think what they do on next and etc....
(5 Questions)
- Q1. What is the meaning of Teleperformance?
- Ans.
Teleperformance is a global outsourcing company specializing in customer experience management.
Global outsourcing company
Specializes in customer experience management
Provides services such as customer support, technical support, sales, etc.
- Q2. What motivated you to select this job?
- Ans.
Passion for problem-solving and interest in software development drove me to choose this job.
Passion for problem-solving
Interest in software development
Opportunity to learn and grow in the field
- Q3. Are you interested to do work
- Ans.
Yes, I am very interested in doing work as a Junior Software Programmer.
I am passionate about coding and problem-solving
I enjoy learning new technologies and improving my skills
I have completed relevant courses or certifications in software development
- Q4. Did you work Before in Teleperformance
- Ans.
No, I have not worked at Teleperformance before.
I have not worked at Teleperformance in the past.
My previous work experience does not include Teleperformance.
I am a new candidate for this position and have not worked at Teleperformance.
- Q5. Are you Happy with thus job
- Ans.
Yes, I am happy with this job because I enjoy coding and problem-solving.
I enjoy coding and problem-solving
I appreciate the opportunities for growth and learning in this role
I have a positive relationship with my team and enjoy collaborating on projects
Interview Preparation Tips
Selected
I applied via Walk-in and was interviewed in Nov 2024. There was 1 interview round.
(9 Questions)
- Q1. Myself and experience in english
- Q2. Selected for the peocess
- Q3. Last drawn salary why you are not another process
- Q4. Why you left last job
- Q5. Rate ur english 1 to 10 numbers
- Q6. Introduce yourself as a employee
- Q7. Season topic talk for two minutes
- Q8. How is good english
- Q9. Your favourite place on this topic
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed in Oct 2024. There were 4 interview rounds.
Assessment via link MCQ
(2 Questions)
- Q1. Microservices theory, Kafka
- Q2. Singoloton design pattern, concurrent package, core java, collection questions, Java 8 related problem solving stream api questions
(2 Questions)
- Q1. Same like round 1, little bit managerial
- Q2. Producer consumer multithreading, Java 8 , core java, project
(2 Questions)
- Q1. Behavioral questions
- Q2. Situation based questions
Interview Preparation Tips
Big Data Engineer Interview Questions & Answers
Virtusa Consulting Services
Anonymous
posted on 14 Dec 2024
I was interviewed in Nov 2024.
(7 Questions)
- Q1. Command to check disk utilisation and health in Hadoop
- Ans.
Use 'hdfs diskbalancer' command to check disk utilisation and health in Hadoop
Run 'hdfs diskbalancer -report' to get a report on disk utilisation
Use 'hdfs diskbalancer -plan <path>' to generate a plan for balancing disk usage
Check the Hadoop logs for any disk health issues
- Q2. Spark Architecture & the significance of each member of spark Architecture
- Ans.
Spark Architecture consists of Driver, Cluster Manager, and Executors. Driver manages the execution of Spark jobs.
Driver: Manages the execution of Spark jobs, converts user code into tasks, and coordinates with Cluster Manager.
Cluster Manager: Manages resources across the cluster and allocates resources to Spark applications.
Executors: Execute tasks assigned by the Driver and store data in memory or disk for further pr...
- Q3. Partitioning and bucketing
- Q4. Spark optimization techniques
- Ans.
Optimization techniques in Spark improve performance and efficiency of data processing.
Partitioning data to distribute workload evenly
Caching frequently accessed data in memory
Using broadcast variables for small lookup tables
Avoiding shuffling operations whenever possible
Tuning memory settings and garbage collection parameters
- Q5. Second highest salary
- Ans.
I am unable to provide this information as it is confidential.
Confidential information about salaries in previous organizations should not be disclosed.
It is important to respect the privacy and confidentiality of past employers.
Discussing specific salary details may not be appropriate in a professional setting.
- Q6. Pivot table creation in SQL from not pivot one
- Ans.
To create a pivot table in SQL from a non-pivot table, you can use the CASE statement with aggregate functions.
Use the CASE statement to categorize data into columns
Apply aggregate functions like SUM, COUNT, AVG, etc. to calculate values for each category
Group the data by the columns you want to pivot on
- Q7. How to create triggers
- Ans.
Creating triggers in a database involves defining the trigger, specifying the event that will activate it, and writing the code to be executed.
Define the trigger using the CREATE TRIGGER statement
Specify the event that will activate the trigger (e.g. INSERT, UPDATE, DELETE)
Write the code or actions to be executed when the trigger is activated
Test the trigger to ensure it functions as intended
Interview Preparation Tips
They are focusing on concept basically
Skills evaluated in this interview
Selected
(2 Questions)
- Q1. Explain projects worked on and benefits
- Q2. What is agile , SDLC, user stories
- Ans.
Agile is a project management methodology focused on iterative development, SDLC is the software development life cycle, and user stories are short descriptions of a feature told from the perspective of the end user.
Agile is a project management approach that emphasizes flexibility, collaboration, and customer feedback.
SDLC is the process of planning, creating, testing, and deploying software applications.
User stories ...
(2 Questions)
- Q1. How will to create a new market in vietnam for LC/BG
- Ans.
To create a new market in Vietnam for LC/BG, we can start by conducting market research, building relationships with local businesses and government agencies, and offering tailored financial solutions.
Conduct market research to understand the needs and preferences of Vietnamese businesses
Build relationships with local banks, businesses, and government agencies to establish credibility and trust
Offer tailored financial ...
- Q2. What is acceptance criteria
- Ans.
Acceptance criteria are conditions that a product must satisfy to be accepted by a user, customer, or stakeholder.
Acceptance criteria are typically defined during the planning phase of a project.
They are used to determine whether a product or feature is complete and functioning as expected.
Acceptance criteria are often written in a specific format, such as 'Given X, when Y, then Z.'
They help ensure that the product mee...
Skills evaluated in this interview
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