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I applied via Naukri.com and was interviewed in Sep 2022. There were 3 interview rounds.
Basic coding maths aptitude java python communication skills test
Java coding c plus python SQL oracle dbmsos
I applied via Walk-in and was interviewed before Jun 2022. There were 3 interview rounds.
Coding test of your skills and how well can you cope up with a problem given.
LAC stands for Location Area Code, a unique identifier for a group of cells in a mobile network.
LAC helps in identifying the location of a mobile device within a cellular network.
It is used for handover procedures when a device moves between different cells.
In a network with 3 nodes, each node would have a unique LAC assigned to it.
Reverse the order of strings in an array
Use the reverse() method to reverse the array
Example: ['apple', 'banana', 'cherry'] -> ['cherry', 'banana', 'apple']
I applied via Referral and was interviewed before Oct 2023. There were 3 interview rounds.
Use a hash set to find duplicates in an array of strings.
Create a hash set to store unique elements.
Iterate through the array and check if the element is already in the hash set.
If it is, then it is a duplicate. If not, add it to the hash set.
Find the single duplicate element in an array of strings with length n-1.
Iterate through the array and use a HashSet to keep track of elements seen so far.
If an element is already in the HashSet, that is the duplicate element.
Return the duplicate element once found.
Create a student support system
Design an order and payments system for an EdTech company
Allow users to browse and select courses
Implement a shopping cart for users to add courses
Integrate payment gateways for secure transactions
Provide order confirmation and receipt to users
Allow users to track their order status
I applied via Referral and was interviewed in Jul 2024. There were 3 interview rounds.
SQL- 1 departments with no users
2 dept_id and their respective no. of users
DSA1: Most frequent no. in an array
DSA2: Zero Sum subarray exists
I applied via Naukri.com and was interviewed before Oct 2022. There were 4 interview rounds.
Implement login with Google SSO, show emails in a single place
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
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(); });
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
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
I applied via Naukri.com and was interviewed in Jul 2022. There were 3 interview rounds.
It was on hacker rank
It was a aptitude test taken by me of the new and all the response and the of new
I applied via LinkedIn and was interviewed in Sep 2023. There were 3 interview rounds.
Medium level coding question
I applied via Company Website and was interviewed in Aug 2021. There was 1 interview round.
I can promote Coding Ninjas courses by organizing coding events, sharing course details on social media, and collaborating with college clubs.
Organize coding events in college and invite Coding Ninjas as a sponsor or guest speaker
Share course details on social media platforms like Facebook, LinkedIn, and Twitter
Collaborate with college clubs like coding clubs, tech clubs, and entrepreneurship clubs to promote the cours...
A general apti round
Data analysis assignment
I applied via Company Website and was interviewed in Jan 2022. There was 1 interview round.
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