Perforce Software Reactjs Developer Interview Questions and Answers

There were 15 mcq questions from JS, React,HTML and CSS

Q1. Basic React and Javascript questions
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MCQ based Questions were asked

Q1. Do you follow CI/CD process?
Ans. 
Yes, I follow CI/CD process to automate testing and deployment.
• I use tools like Jenkins, GitLab CI, or CircleCI to automate the build, test, and deployment process.

• I write unit tests and integration tests to ensure code quality before deployment.

• I regularly push code changes to version control and trigger automated builds and tests.

• I use continuous integration to merge code changes frequently and detect issues early in
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Q2. What is CI/CD Process
Ans. 
CI/CD process is a software development practice that involves continuous integration, continuous delivery, and continuous deployment.
• Continuous Integration (CI) involves automatically building and testing code changes frequently.

• Continuous Delivery (CD) ensures that code changes are always in a deployable state.

• Continuous Deployment (CD) automatically deploys code changes to production environments.

• CI/CD helps in redu...read more
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Got a link on mail to give online clearance test. 25 questions on react, Js and html-css

Q1. Build a login page
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Just MCQ questions related to React, Javascript, HTML, CSS

Q1. 1. Coding question in JS: Capitalize last letter of each word in a string. 2. React JS: Fetch data from some given API and store data in tabular form
Ans. 
Capitalize last letter of each word in a string and fetch data from API to display in tabular form using React JS.
• Split the string into an array of words

• Iterate through each word and capitalize the last letter

• Join the words back together to form the modified string

• Use React JS to fetch data from API and display in a tabular form
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Q1. How to check a number is power of 2
Ans. 
To check if a number is a power of 2, we can use bitwise operations.
• A power of 2 has only one bit set to 1, so we can use the bitwise AND operator to check if the number is a power of 2.

• If n is a power of 2, then n & (n-1) will be 0.

• For example, 8 (1000 in binary) is a power of 2, and 8 & 7 (0111 in binary) is 0.
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Q2. Sort a stack without using another data structure
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Sort a stack without using another data structure
• Use recursion to pop the top element and insert it at the bottom of the remaining stack

• Repeat until the stack is sorted in ascending order

• Time complexity: O(n^2), space complexity: O(n) due to recursion
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Q3. Check weather array have continuous increasing than decreasing value
Ans. 
Check if array has continuous increasing and decreasing values
• Loop through the array and check if each element is greater than the previous one

• Once you find the maximum element, check if the remaining elements are in decreasing order

• If yes, return true else false
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Q1. Design a cricinfo (LLD)
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Design a cricinfo (LLD)
• Identify the entities: players, teams, matches, scorecards, tournaments, etc.

• Define the relationships between entities

• Create a database schema to store the data

• Implement APIs to fetch and update data

• Design a UI to display the information

• Consider scalability and performance

• Ensure data security and privacy
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Q1. Share details of your previous job.
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Q2. Why should we hire you?
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Q3. What are your strengths and weaknesses?
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Q1. AWS architecture in your current project
Ans. 
Our project utilizes AWS architecture for scalability and reliability.
• We use EC2 instances for hosting our application servers.

• S3 buckets are used for storing and serving static assets.

• We leverage RDS for managing our relational database.

• Lambda functions are used for serverless computing tasks.

• CloudFront is utilized for content delivery network (CDN) to improve performance.

• We use CloudWatch for monitoring and logging.

• A...read more
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Q1. Memory management cpp
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Q2. Solid principles
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4 question asked medium and hard

1 question asked and oops concept

Q1. Normal question
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