Viacom18 Media Interview Questions, Process, and Tips

Q1. Merge 2 sorted Arrays
Ans. 
Merging two sorted arrays into a single sorted array
• Create a new array to store the merged result

• Use two pointers to iterate through both arrays and compare elements

• Add the smaller element to the new array and move the pointer for that array
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Q2. Write polyfill for getElementById
Ans. 
Polyfill for getElementById function in JavaScript
• Create a function named getElementById

• Check if the function already exists, if not, create it

• Use document.querySelector to select the element by ID

• Return the selected element
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Q3. What are the new features in React 18 ? Optimisation techinques in React ? Concurrency in React ?
Ans. 
React 18 introduces new features like automatic batching, start transition, and streaming server renderer. It also focuses on performance optimizations and concurrent rendering.
• New features in React 18 include automatic batching, start transition, and streaming server renderer.

• Optimization techniques in React 18 involve concurrent rendering, improved scheduling, and reduced re-renders.

• Concurrency in React 18 allows for...read more
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Q1. HLD round to develop Autocomplete feature End to End with API contracts and architecture.
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Q2. Remove duplicate characters from a sentence
Ans. 
Remove duplicate characters from a sentence
• Create an empty array to store unique characters

• Iterate through each character in the sentence

• Check if the character is already in the array, if not add it
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Basic normal average questions to be prepared

Q1. Define oops and the four pillars in detail
Ans. 
OOPs stands for Object-Oriented Programming. The four pillars are Inheritance, Encapsulation, Abstraction, and Polymorphism.
• Object-Oriented Programming (OOP) is a programming paradigm based on the concept of objects, which can contain data in the form of fields (attributes or properties) and code in the form of procedures (methods or functions).

• The four pillars of OOP are Inheritance, Encapsulation, Abstraction, and Po...read more
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Q2. Write code to reverse a dtring
Ans. 
Code to reverse a string in JavaScript
• Use the split() method to convert the string into an array of characters

• Use the reverse() method to reverse the array

• Use the join() method to convert the reversed array back into a string
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Q1. Selenium xpath and basic questions
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Q2. Java code to fine distinct characters from string
Ans. 
Use a HashSet to find distinct characters in a string.
• Create a HashSet to store unique characters.

• Iterate through the string and add each character to the HashSet.

• Convert the HashSet to an array of strings to get distinct characters.
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Q1. Automation framework development
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Q2. Question on apptoch to automation
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Q1. Automation underlying architecture
Ans. 
Automation underlying architecture refers to the framework and structure of automated testing processes.
• Automation architecture includes tools, frameworks, and technologies used for test automation.

• Common automation architectures include keyword-driven, data-driven, and hybrid frameworks.

• The architecture should support scalability, maintainability, and reusability of automated tests.

• Examples of automation tools for und...read more
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Q2. Scenarion and past exp based questions
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Q1. Questions from Resume and projects
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Q2. A coding question where high rank and low rank officers were given in an array in which number 1-8 represents high rank officers and apart from that there was a single integer which represents low rank off...read more
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