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Apponix Technologies
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Apponix Technologies Interview Questions, Process, and Tips
Top Apponix Technologies Interview Questions and Answers
- Q1. Whats is propdrillingasked in React Js Frontend Developer interview
- Q2. What is state managementasked in React Js Frontend Developer interview
- Q3. What is virtual domasked in React Js Frontend Developer interview
Apponix Technologies Interview Experiences
3 interviews found
Selected
I applied via Monster and was interviewed in Oct 2022. There were 3 interview rounds.
Testing your java script skiils
(6 Questions)
- Q1. Asked some question about react
- Q2. What is virtual dom
- Ans.
Virtual DOM is a lightweight copy of the actual DOM that helps in efficient rendering of web pages.
Virtual DOM is a concept used in ReactJS to improve performance.
It is a lightweight copy of the actual DOM.
Any changes made to the virtual DOM are first reflected in the virtual DOM and then in the actual DOM.
This helps in reducing the number of updates required to the actual DOM, thus improving performance.
ReactJS uses a...
- Q3. Whats is props ?
- Ans.
Props is a shorthand for properties in React that allows passing data from parent to child components.
Props are read-only and cannot be modified by the child component.
Props can be any data type, including functions and objects.
Props can be passed down multiple levels of components.
Props can have default values set using defaultProps.
Props can be validated using propTypes to ensure correct data types are passed.
Example
- Q4. What is states ?
- Ans.
States are objects in React that hold component data and can be updated using setState() method.
States are used to manage component data that can change over time.
They are defined in the constructor of a component.
They can only be updated using the setState() method.
Updating a state triggers a re-render of the component.
States should not be modified directly, use setState() instead.
- Q5. Whats is propdrilling
- Ans.
Prop drilling is the process of passing props through multiple levels of components to reach a deeply nested component.
It can lead to code redundancy and make it difficult to maintain.
Context API and Redux can be used to avoid prop drilling.
Example: Passing props from a parent component to a child component, then to another child component, and so on.
Example: Passing a prop from App.js to a deeply nested component like...
- Q6. What is state management
- Ans.
State management is the process of managing and updating the data that determines a component's behavior and rendering.
State is an object that holds data that can change over time
State management involves updating state based on user interactions or other events
State can be passed down to child components as props
Popular state management libraries for React include Redux and MobX
Interview Preparation Tips
- React
- Javascript
Skills evaluated in this interview
React Js Frontend Developer Interview Questions asked at other Companies
Selected
I applied via Referral and was interviewed before Dec 2023. There were 3 interview rounds.
Filling position for a Banking Client
(2 Questions)
- Q1. Past Experience
- Q2. Work Timings
About my Personal, Educational & Family Background
Interview Preparation Tips
Get Prepared
Read Bhagavadgita daily to improve your EQ
Ram R
(1 Question)
- Q1. Discuss about Company
Interview Preparation Tips
Easy to Learn
Digital Marketing Executive Interview Questions asked at other Companies
Jobs at Apponix Technologies
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Interview Questionnaire
9 Questions
- Q1. What is event bubbling?
- Ans.
Event bubbling is the propagation of an event from the innermost child element to the outermost parent element.
Events triggered on a child element will also trigger on its parent elements
The event travels up the DOM tree until it reaches the document object
Can be stopped using event.stopPropagation()
Can be useful for event delegation
- Q2. Difference between .on(‘click’,function() and .click(function())
- Ans.
The .on('click',function() is a more flexible method than .click(function())
The .on() method can handle multiple events and selectors
The .click() method can only handle one event and one selector
The .on() method can also handle dynamically added elements
The .click() method cannot handle dynamically added elements
- Q3. Write a function to check if two strings are anagram or not
- Ans.
Function to check if two strings are anagram or not
Create two character arrays from the strings
Sort the arrays
Compare the sorted arrays
- Q4. Given an array of integers which can be in one of four order – i.Increasing 2.Decreasing 3.decreasing then increasing 4.increasing then decreasing .Write a function to find the type of array
- Ans.
Function to determine the order of integers in an array.
Check first and last element to determine if increasing or decreasing
Check for inflection point to determine if order changes
Return order type as string
- Q5. How can you improve the performance of a site.(Only frontend)
- Ans.
Optimize images, minify code, reduce HTTP requests, use caching, and lazy loading.
Optimize images using compression and appropriate file formats
Minify code to reduce file size and improve load times
Reduce HTTP requests by combining files and using sprites
Use caching to store frequently accessed data locally
Implement lazy loading to defer loading of non-critical resources
- Q6. Design database schema for a movie site.Where user can watch the movie,genre of movie,give ratings and recommended movies to user.Also Write an algorithm to show recommended movies to user
- Ans.
Design a database schema for a movie site with user ratings and recommendations.
Create tables for movies, users, ratings, and recommendations
Use foreign keys to link tables
Include columns for movie genre and user watch history
Algorithm for recommendations can use user watch history and ratings to suggest similar movies
- Q7. By tossing a coin we can get either head or tail, i have a function toss() which return head or tail with equal probability
- Q8. You have to write a function for dice which will return number from 1-6 with equal probability. constraints : you can not use random function, you can use only toss function
- Ans.
Function to simulate dice roll with equal probability without using random function
Use a toss function that returns either 0 or 1 with equal probability
Call the toss function 3 times and convert the result to a binary number
If the binary number is greater than 0 and less than or equal to 6, return it
If the binary number is greater than 6, repeat the process
- Q9. Write a query to fetch duplicate email from table?
- Ans.
Query to fetch duplicate email from table
Use GROUP BY and HAVING clause to filter out duplicates
SELECT email, COUNT(*) FROM table_name GROUP BY email HAVING COUNT(*) > 1;
This will return all the duplicate emails in the table
Interview Preparation Tips
College Name: na
Motivation: Practo is the market leader in digital healthcare management with millions of consumers using our products to find doctors, book appointments and manage their healthcare efficiently. Practo Ray is the platform of choice for the vast majority of doctors and clinics deploying cloud based clinic management solution.I recently got an offer from Practo, here is my interview experience:
Skills evaluated in this interview
BEKKAM VENKATA ADITYA
I applied via Campus Placement
Interview Questionnaire
4 Questions
- Q1. General questions. Where are you from, tell about yourself etc..,
- Q2. Asked me about the projects which i have mentioned in my resume
- Q3. Some algorithmic questions including data structures. Time complexity, space complexity etc.,
- Q4. How would you design a snake game present in basic nokia mobiles. Just the data structure part and some functions which are used as the game goes on
Interview Preparation Tips
Experience: A bit difficult but sensible way to get started with the selection procedure. Questions purely attack the algorithmic and stastitic aspects.
Tips: Get yourself ready with conceptual clartity regarding algorithms and stastics . Don't be ambitious to attempt all the questions, completely solving one problem would be more than enough for getting through this level.
Duration: 120 minutes
Total Questions: 3
Round: Technical Interview
Experience: Believe me. You never feel inferior, it's really interactive and very friendly. Interviewer gave me a few chances and hints whenever i've gone wrong. Overall interview experience was awesome.
Tips: If you're up to this round, they believe you have the potential. So don't panic if you are unable to answer their questions. Just tell them which aspects which you are comfortable with and they will proceed correspondingly, Just be honest whatsoever.
Skill Tips: Prefer having some revision about the above skills before undergoing the selection process.
Skills: Math Puzzles, Algorithmic Approach To Problem Solving, Data Structures
Duration: 2months
College Name: IIT Madras
Funny Moments: Receiving the offer letter from HR official who visited our campus :)
Pratik Chaudhari
I applied via Referral
Interview Preparation Tips
Experience: Sent resume to an HR through Linkedin and got the call for interview
Round: Technical Interview
Experience: Had 3 rounds of technical interviews with Product Owner, Product Manager and VP Product. Most of the questions were related to maths, statistics and a few on machine learning. Even though I did not have much background on these, I was asked to give my inputs and try to find a solution. We discussed recommendation engines for Quora, Linkedin and e-commerce websites. Then they asked me how can we remove the bias that comes in the practo ratings of the doctors due to feedback from various channels. How can we identify if the customer is booking an appointment by looking at reviews or ratings? How can we identify spam reviews before publishing them? How can we build a product which can help users write a better quality review? Most of the questions were related to data science and how we can improve the products using data. The data analyst role for which I was being interviewed, was a first of its kind role in Practo. The JD was to basically work with the product team and help them in improving products, building new features etc. using data science/ data analytics.
Skills: Product Sense, Attitude, Data Science, Data Analysis, Basics Of Machine Learning
College Name: IIT Madras
Motivation: being the leader of the healthcare industry, high growth startup, opportunity to solve interesting problems using data
Agam Mahajan
Interview Preparation Tips
Experience: There was Pool Campus Placement of 4 Colleges together(NIT Jalandhar,NIT Hamirpur ,Candigarh University and CGC Landran ) at Chandigarh University.Written test was taken on Hacker Rank. There were 5 Coding Questions of Linklist , Dynamic Programming,Priority Queues etc .
You didn't have to do All the questions (3 can get you to the next round).
One thing that need to be beware of is that on Hacker Rank Your Draft is Saved every second(or so). So don't copy from the internet and just paste there(they will get to know).
Tips: Make sure you practice lot of Algorithms.
Duration: 120 minutes
Total Questions: 5
Round: Problem Statement
Experience: Only 8 Students were selected for this round
20 mins were given for it
and afterwards each student had personal discussion(10 mins) with them to explain their schema .
3-4 Questions were also asked related to your schema and how to perform a particular query
Tips: You should Be Through with DBMS
Make sure there is no redundant table and Primary keys are marked
Round: Technical Interview
Experience: 2 were selected for the Interview
Firstly they make you very Comfortable and ask how were the previous Rounds.
Then they asked about the two questions of First Round and my approach
Then couple of questions on The design that was made Earlier.
Then there were questions on How Internet Works ,gcc,Linux,git,sql.
Then the Interviewer asked if I have any question
I asked about (as the work on doctor's app) how they know the credibility of a doctor which is enlisted in their app.
Interviewer was really Impressed by the question and told me all about it with all details.
Both were selected
Tips: Be cool in the Interview
Think Loudly and Interact with them well.
If they want you to ask any question ,it should not be related to technical stuff ,it should be related to the company
College Name: NIT JALANDHAR
I applied via Referral
Interview Questionnaire
5 Questions
- Q1. I was asked to optimize the last program mentioned above
- Q2. I was asked in detail about my internship experience and projects
- Q3. I was asked why I did not contribute to any open source projects
- Q4. I was asked to explain the code of my android app from my dropbox account
- Q5. The usual HR questions followed after that
Interview Preparation Tips
College Name: NA
I applied via Walk-in and was interviewed before Jul 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Egerly they asked questions about your inner confidence of tha job seekers
Interview Preparation Tips
Senior Associate Interview Questions & Answers
Contizant Technologies
Anonymous
posted on 28 Oct 2022
I applied via Recruitment Consulltant and was interviewed before Oct 2021. There were 3 interview rounds.
(3 Questions)
- Q1. Normal introduction was asked
- Q2. Description of the previous role
- Q3. Roles and responsibilities
Not applicable , this was final round
Interview Preparation Tips
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