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CA-One Tech Cloud Interview Questions and Answers
CA-One Tech Cloud Interview Experiences
8 interviews found
(5 Questions)
- Q1. Technical questions on react
- Q2. Explain about react redux
- Ans.
React Redux is a state management library for React applications.
React Redux helps manage the state of a React application in a predictable way.
It allows components to access and update the application state without directly manipulating it.
Redux stores the application state in a single immutable object called the store.
Actions are dispatched to update the state in the store, and reducers specify how the state should c...
- Q3. Write a code on stopwatch
- Ans.
A simple code snippet for a stopwatch in Reactjs
Create state variables for minutes, seconds, and milliseconds
Use setInterval to update the time every 10 milliseconds
Display the time in a formatted way on the UI
- Q4. Sample api integration in react
- Ans.
API integration in React involves fetching data from an external API and displaying it in the application.
Use fetch or axios to make API calls in React
Store API response data in state using useState hook
Render the data in the component's JSX
- Q5. State, memoization, callbacks, promises, props drilling
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Skills evaluated in this interview
Reactjs Developer Interview Questions asked at other Companies
I was having a coding test related to oops concept.
Java Developer Interview Questions asked at other Companies
I applied via Naukri.com and was interviewed in Apr 2023. There were 3 interview rounds.
Data structures and algos
(2 Questions)
- Q1. Real time scenarios from resume
- Q2. System design and architecture
Software Engineer Interview Questions asked at other Companies
I applied via Company Website and was interviewed in Jun 2023. There were 3 interview rounds.
Coding decoding Grammer mental ability fond the number etc
(3 Questions)
- Q1. About self my strength n weakness
- Q2. Why u join to this company
- Q3. How expected salary for annual
Data Analyst Interview Questions asked at other Companies
CA-One Tech Cloud interview questions for popular designations
I applied via Naukri.com and was interviewed in Aug 2022. There was 1 interview round.
(3 Questions)
- Q1. Basic Java questions, project related questions, Selenium based questions like actions class, findElements vs findElement, how to write xpath to locate an element etc
- Q2. Java question about string, java objects, arrays,. Basic sql queries,
- Q3. 2nd round was HR round
Interview Preparation Tips
- Core Java
- Selenium
- Collections
If you don't know the answer, think about it for 5-8 seconds and say You don't know that.
Sdet Automation Test Engineer Interview Questions asked at other Companies
Madhurya Kumar
(2 Questions)
- Q1. Simple core java questions
- Q2. Data structure and internal implementations
(1 Question)
- Q1. Data structure and internal implementations
Interview Preparation Tips
Software Engineer Interview Questions asked at other Companies
Jobs at CA-One Tech Cloud
Selected
I applied via Naukri.com and was interviewed before Feb 2023. There were 3 interview rounds.
Normal not soo tough
Logical question based on pattern and string
(1 Question)
- Q1. Based on data structure, Java and aql query
Interview Preparation Tips
Java Developer Interview Questions asked at other Companies
Interview Questionnaire
1 Question
- Q1. Cloud computing
Interview Preparation Tips
Cloud Support Engineer Interview Questions asked at other Companies
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Data Analyst Interview Questions & Answers
Nineleaps Technology Solutions
Anonymous
posted on 17 Dec 2024
I applied via Instahyre and was interviewed in Nov 2024. There was 1 interview round.
(4 Questions)
- Q1. Coalesce, SQL Order of Execution
- Q2. Given a table with fields(id, name, salary, managerId) find out the managers who have atleast 5 reportees under him/her.
- Ans.
Use SQL query to count number of reportees for each manager and filter out those with atleast 5 reportees.
Write a SQL query to count number of reportees for each manager using GROUP BY clause
Add HAVING clause to filter out managers with atleast 5 reportees
Example: SELECT managerId, COUNT(id) AS num_reportees FROM table_name GROUP BY managerId HAVING num_reportees >= 5
- Q3. How to manage large datasets in python
- Ans.
Use libraries like pandas and dask to efficiently manage large datasets in Python.
Use pandas library for data manipulation and analysis.
Use dask library for parallel computing and out-of-core processing.
Optimize memory usage by loading data in chunks or using data types efficiently.
Consider using cloud services like AWS S3 or Google BigQuery for storing and processing large datasets.
- Q4. Name few of the commonly used python libraries used by DA
- Ans.
Some commonly used Python libraries for Data Analysts are Pandas, NumPy, Matplotlib, and Scikit-learn.
Pandas - used for data manipulation and analysis
NumPy - used for numerical computing and working with arrays
Matplotlib - used for data visualization
Scikit-learn - used for machine learning and data mining
Interview Preparation Tips
- SQL
- Python
Selected
I applied via Company Website and was interviewed in Dec 2024. There were 2 interview rounds.
(3 Questions)
- Q1. What is the concept of a session in PHP?
- Ans.
A session in PHP is a way to store information (variables) to be used across multiple pages.
Sessions are used to store user data on the server for later use
Sessions are identified by a unique session ID, usually stored in a cookie
Session data is stored on the server side, making it more secure than using cookies alone
- Q2. What is the difference between variables and constants in PHP?
- Ans.
Variables can be changed during the execution of a script, while constants cannot be changed once they are defined.
Variables can be reassigned with new values, while constants cannot be changed once defined
Constants are defined using the define() function, while variables are assigned using the $ symbol
Constants are case-sensitive by default, while variables are case-insensitive
- Q3. What will be the output of the code below and why?
- Ans.
The code will output 'Hello World!' because the variable $x is set to true.
The code will check if $x is true, which it is, so it will output 'Hello World!'
The if statement will only execute if the condition is true, in this case $x is true.
What are the differences between echo and print in PHP?
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