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WITS Innovation Lab
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I was interviewed in Jan 2025.
Experienced SDET Lead with a passion for automation testing and improving software quality.
Over 8 years of experience in software testing and test automation
Strong expertise in leading testing teams and implementing best practices
Proficient in various testing tools and technologies such as Selenium, JUnit, and TestNG
Proven track record of successfully delivering high-quality software products
Passionate about continuous...
CSE focuses on computer science and engineering principles, while IT focuses on the practical application of technology in business settings.
CSE involves the study of algorithms, data structures, and computer architecture.
IT involves the implementation and management of technology systems in organizations.
CSE professionals typically work on developing new technologies, while IT professionals focus on using existing tec
Promises are objects representing the eventual completion or failure of an asynchronous operation.
Promises are used to handle asynchronous operations in JavaScript.
They can be in one of three states: pending, fulfilled, or rejected.
Promises can be chained together using .then() method.
They help in avoiding callback hell and writing cleaner asynchronous code.
Change key value in nested object key is provided
Prototype is an object that is associated with every functions and objects by default in JavaScript.
Prototype is used to add new properties or methods to existing objects or functions.
It allows objects to inherit properties and methods from other objects.
Changing the prototype of an object affects all instances of that object.
Middleware is software that acts as a bridge between different applications or components, allowing them to communicate and interact with each other.
Middleware is used to handle tasks such as authentication, logging, error handling, and more in web applications.
It can modify incoming requests, outgoing responses, or both.
Examples of middleware in Node.js include Express.js middleware like body-parser and morgan.
WITS Innovation Lab interview questions for popular designations
I have successfully identified and pursued new business opportunities, resulting in significant revenue growth.
Identified potential clients through market research and networking
Developed and maintained relationships with key stakeholders
Negotiated contracts and closed deals to meet sales targets
Implemented strategies to increase market share and expand client base
I applied via LinkedIn and was interviewed before Nov 2023. There were 2 interview rounds.
Closures are functions that have access to their own scope, as well as the scope in which they were defined.
Closures can access variables from their outer function even after the outer function has finished executing.
Closures can be used to create private variables in JavaScript.
Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFunction() { console.log(outerVar); }; }
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I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.
Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
OOPs stands for Object-Oriented Programming System
Java is a class-based OOPs language
Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs
Objects have state and behavior
Java supports interfaces, which allow for multiple inheritance
Example: A car can be represented as an object wit...
Java solves machine dependency by using bytecode and virtual machine.
Java code is compiled into bytecode which is platform-independent
The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific
JVM translates bytecode into machine code for the specific platform
This allows Java code to run on any platform with a JVM installed
Example: A Java program compiled on Windows can run on Linux or Mac as
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