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Rediff.com Software Engineer Interview Questions and Answers
Rediff.com Software Engineer Interview Experiences
1 interview found
Anonymous
(2 Questions)
- Q1. Explain event bubbling in js
- Ans.
Event bubbling is the process where an event triggered on a child element is propagated up through its parent elements.
Events in JavaScript propagate through the DOM tree from the target element to the root element.
When an event occurs on a child element, it will also trigger the same event on its parent elements.
Event bubbling allows for event delegation, where a single event handler is attached to a parent element to
- Q2. Difference between DELETE * and TRUNCATE in MySQL
- Ans.
DELETE * removes all rows in a table while TRUNCATE removes all rows and resets auto-increment values.
DELETE * is a DML command and TRUNCATE is a DDL command
DELETE * is slower as it logs individual row deletions while TRUNCATE is faster as it deallocates data pages
DELETE * can have WHERE clause for selective deletion while TRUNCATE cannot
TRUNCATE resets auto-increment values while DELETE * does not
Skills evaluated in this interview
Interview questions from similar companies
Interview Questionnaire
2 Questions
- Q1. Design Facebook
- Ans.
Designing Facebook involves creating a social networking platform with features like user profiles, news feed, messaging, and more.
Create a user registration and login system
Develop a news feed algorithm to display relevant content
Implement a messaging system for users to communicate
Design a user profile page with customizable options
Incorporate features like groups, events, and pages
Ensure scalability and security of
- Q2. Reverse the linked list
- Ans.
Reverse a linked list
Iterative approach using three pointers
Recursive approach with base case and recursive call
In-place reversal using stack
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Referral and was interviewed before Apr 2023. There were 3 interview rounds.
(2 Questions)
- Q1. 2 question on Data structure and algorithms (easy-medium and medium level questions)
- Q2. Related to array and matrix
(2 Questions)
- Q1. This also contained discussion on last company project and some basic question regarding different tech stack used. Then asked 2 questions on Data structure and algorithms (both medium level questions)
- Q2. Related to stack and linked list
(2 Questions)
- Q1. This was the Hiring Manager round. He asked different questions related to general programming like - Rest, Http, Websockets, TCP. Asked some questions from past company projects. Then asked one easy-mediu...
- Q2. Programming and Math related topics
Interview Preparation Tips
- Data Structures
- Algorithms
- Programming
- Operating Systems
Selected
(1 Question)
- Q1. 2 DSA leetcode (1 medium , 1 hard)
(1 Question)
- Q1. Same round 1 2 DSA leetcode questions (1 hard , 1 medium)
(1 Question)
- Q1. It was the hiring manager round, it started with the LRU cache algorithm and went deep in the system design
Selected
I applied via LinkedIn and was interviewed before May 2023. There were 3 interview rounds.
1 questions of leetcode medium level + project discussion
1 puzzle solving round
(2 Questions)
- Q1. Questions about the project
- Q2. Describe your strength and weakness
Interview Preparation Tips
Akash Das
Selected
I applied via Referral and was interviewed in Apr 2024. There were 5 interview rounds.
2 dsa questions of easy/medium
(1 Question)
- Q1. Asked two dsa questions of leetcodeeasy/medium
(1 Question)
- Q1. Asked two dsa questions of leetcode easy/medium
(1 Question)
- Q1. Asked one dsa question on tree and discussion on resume and dbms os
(1 Question)
- Q1. Salary Discussion
I applied via Campus Placement and was interviewed in Apr 2024. There were 4 interview rounds.
Round 1 was coding test.
(2 Questions)
- Q1. Round 2 was Technical
- Q2. Questions on TreeTraversal
(1 Question)
- Q1. Round 3 was Technical round
(1 Question)
- Q1. This was the final round
Interview Preparation Tips
Some database questions,some java questions .
(3 Questions)
- Q1. What is the difference between javascript and jQuery.
- Ans.
JavaScript is a programming language used for web development, while jQuery is a library built with JavaScript to simplify HTML document traversal and manipulation.
JavaScript is a programming language, while jQuery is a library written in JavaScript.
JavaScript can be used for a wide range of tasks, while jQuery is mainly used for DOM manipulation and event handling.
JavaScript is a core technology for web development, w...
- Q2. Define different types of join
- Ans.
Different types of joins are used in SQL to combine rows from two or more tables based on a related column between them.
Inner Join: Returns rows when there is at least one match in both tables.
Left Join (or Left Outer Join): Returns all rows from the left table and the matched rows from the right table.
Right Join (or Right Outer Join): Returns all rows from the right table and the matched rows from the left table.
Full ...
- Q3. Define multithreading concept and exception handling.
- Ans.
Multithreading allows multiple threads to run concurrently, while exception handling deals with errors in a program.
Multithreading involves running multiple threads simultaneously to improve performance and responsiveness.
Threads share the same memory space but have their own program counter and registers.
Exception handling is a mechanism to handle errors or exceptional situations in a program.
It helps prevent the prog...
Skills evaluated in this interview
Selected
I appeared for an interview before Mar 2022.
(1 Question)
- Q1. By when can u join, hr told me they shared my resume with multiple managers and waiting for it to be shortlisted
(2 Questions)
- Q1. Acid, SQL vs nosql, react based, asynchronous working of js, event loop, etc. How will u design a matrimony site such that search query will contain multiple preferences - age, height, income, etc (say 100...
- Q2. How to implement any one of acid property.
- Ans.
To implement ACID property, use transactions to ensure atomicity, consistency, isolation, and durability of data.
Use transactions to group related database operations together.
Ensure that all operations within a transaction are completed successfully or none of them are.
Maintain consistency by enforcing data integrity constraints.
Isolate transactions to prevent interference from other transactions.
Ensure durability by ...
(3 Questions)
- Q1. Js output questions. A recursion based coding problem. (Easy-medium)
- Q2. Was asked to develop an ui but i told the interviewer I'm more into backend so she asked me some backend questions after this. Didn't have to solve the ui task.
- Q3. I answered almost all questions.
Interview Preparation Tips
Even if u have internship experience, your interview is going to be tech stack/CS fundamentals based rather than DSA. If no experience, expect DSA problems.
(1 Question)
- Q1. Basic questions on what you have mentioned in resume , design patterns , reactjs questions , explain your project
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