PrepBytes Intern Interview Questions and Answers

Q1. Project discussion
Add your answer
Q2. Technical Project discussion
Add your answer

Write the video script for a topic provided by the upgrad team and create a ppt for an video script.

Q1. What is the Linked list?
Ans. 
A linked list is a linear data structure where elements are stored in nodes with each node pointing to the next node in the sequence.
• Consists of nodes connected by pointers

• Can be singly linked or doubly linked

• Allows for dynamic size and efficient insertion/deletion
Answered by AI
Add your answer

Implement login with Google SSO, show emails in a single place

Q1. How to implement JWT
Ans. 
JWT can be implemented by generating a token with user information and a secret key, then verifying the token using the same secret key.
• Generate a JWT token with user information and a secret key

• Include necessary claims like expiration time, issuer, etc.

• Verify the JWT token using the same secret key

• Handle token expiration and refresh if needed
Answered by AI
Add your answer
Q2. Please read about it on the internet, do take care of public and private key use
Add your answer
Q3. Middleware in express, how to create one?
Ans. 
Middleware in Express is a function that has access to the request and response objects.
• Create a middleware function using app.use() method in Express.

• Middleware functions have access to the request object (req), the response object (res), and the next middleware function in the application's request-response cycle.

• Example: app.use((req, res, next) => { console.log('This is a middleware function'); next(); });
Answered by AI
Add your answer
Q4. Read about it on the internet
Add your answer

Q1. Discussed about guards in Angular
Add your answer
Q2. Read about it on the internet
Add your answer
Q3. How does lazy loading work in Angular
Ans. 
Lazy loading in Angular delays loading of modules until they are needed
• Lazy loading helps improve performance by only loading modules when they are required

• It is achieved by using the loadChildren property in the route configuration

• Lazy loaded modules are loaded asynchronously when the user navigates to the corresponding route
Answered by AI
Add your answer
Q4. Read about lazy loading in Angular
Add your answer
Q5. How to enable SSR in Angular
Ans. 
Server-side rendering (SSR) in Angular can be enabled by using Angular Universal.
• Install Angular Universal using Angular CLI

• Create a new Angular Universal project

• Update app.module.ts to include server-side rendering

• Build and run the Angular Universal project
Answered by AI
Add your answer
Q6. Read about Angular Universal for this
Add your answer

It was on hacker rank

It was a aptitude test taken by me of the new and all the response and the of new

Q1. Question on anagram whether we can form with given strings
Add your answer
Q2. Play random song from list without repetition
Ans. 
Use Fisher-Yates shuffle algorithm to play songs randomly without repetition.
• Create an array of songs

• Use Fisher-Yates shuffle algorithm to shuffle the array

• Play the first song in the shuffled array

• Remove the first song from the array

• Repeat steps 3-4 until all songs have been played
Answered by AI
Add your answer
Q3. Reverse the linked list
Ans. 
Reverse a linked list
• Iterate through the linked list and change the direction of the pointers

• Keep track of the previous, current, and next nodes

• Set the head of the linked list to the last node after reversing
Answered by AI
Add your answer
Q4. Range sum with the queries
Add your answer
Q5. Hashing on 2d matrix counting max 1
Ans. 
Hashing algorithm to count maximum number of 1s in a 2D matrix.
• Create a hash table to store the count of 1s in each row.

• Traverse through each row and update the count in the hash table.

• Find the row with the maximum count of 1s in the hash table.

• Return the count of 1s in that row.
Answered by AI
Add your answer
Q6. React interviews hooks
Add your answer

Just basic maths and it was good and I think everyone can do it!!

Q1. What’s your salary expectations?
Add your answer
Q2. What made you leave your tenuous job
Add your answer