Catalyst Business Solutions Interview Questions and Answers

Q1. What is WDR ?
Ans. 
WDR stands for Wide Dynamic Range. It is a feature in cameras that allows them to capture clear images in both bright and dark areas.
• WDR helps to balance the exposure in different parts of the image

• It is useful in scenarios where there are both bright and dark areas in the same frame

• WDR technology combines multiple images taken at different exposures to create a single well-exposed image
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Q2. What is BLC and HLC
Ans. 
BLC stands for Basic Life Cycle and HLC stands for High Level Cycle.
• BLC refers to the basic stages of a product or system's life cycle, including development, testing, and deployment.

• HLC refers to the higher-level phases of a product or system's life cycle, such as maintenance, updates, and retirement.

• Understanding both BLC and HLC is important for ensuring the successful management of a product or system.
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Q1. What is the Bitrate
Ans. 
Bitrate is the number of bits processed or transmitted per unit of time.
• Bitrate is commonly used in digital multimedia and telecommunications to measure data transfer rates.

• It is typically measured in bits per second (bps) or kilobits per second (kbps).

• Higher bitrate generally means better quality but also requires more bandwidth.

• For example, a video with a bitrate of 10 Mbps will have higher quality than the same vide
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Q2. What is resolution of 2 MP
Ans. 
2 MP resolution refers to a camera or display with 2 million pixels.
• 2 MP stands for 2 megapixels

• It means the camera or display has a resolution of 1600 x 1200 pixels

• Higher resolution results in clearer and more detailed images
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It was js coding and react native related questions.

Q1. It was technical skills of Android and iOS application related react native
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Q1. It was discussed about your career and judge our professional career.
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Basic Aptitude test and personality test, It's easy

Q1. Code to print diagonal elements in 2d array. Reverse a string without using other empty string.
Ans. 
Print diagonal elements in a 2D array and reverse a string without using an empty string.
• Iterate through the rows and columns of the 2D array and print the elements where the row index is equal to the column index.

• Iterate through the characters of the string from the last index to the first index and append each character to a new string.
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Q1. Questions related to experience
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Q2. What is modifier?
Ans. 
A modifier is a word, phrase, or clause that provides additional information about another word in a sentence.
• Modifiers can be adjectives, adverbs, or phrases that describe or give more information about nouns or verbs.

• Example: 'The quick brown fox' - 'quick' and 'brown' are modifiers describing the fox.

• Misplaced modifiers can cause confusion in a sentence.

• Example: 'I only ate pizza' - Does this mean the person only at
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Q3. Questions related to AMD software
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Q1. What is your salary expectation
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Q2. Why did you choose this position
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Q1. Tell us about your previous experience
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Writter, about the job

Sharing your portfolio and there will be questions from the portfolio

Q1. Redesign Netflix Platform
Ans. 
Redesigning Netflix platform to enhance user experience and improve usability.
• Simplify the navigation menu to make it more intuitive

• Improve search functionality to provide more accurate results

• Enhance personalization by recommending content based on user preferences

• Optimize video player for seamless streaming experience

• Introduce a dark mode option for better viewing in low-light environments
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Q2. What is an OTT and the features of OTT
Ans. 
OTT stands for Over-The-Top and refers to the delivery of video, audio, and other media content over the internet.
• OTT delivers content directly to users via the internet, bypassing traditional distribution channels.

• OTT platforms include streaming services like Netflix, Hulu, and Amazon Prime Video.

• Features of OTT include on-demand access, personalized recommendations, and multi-device compatibility.

• OTT allows users to ...read more
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General knowledge and logical mathematics.

Q1. 2 week training with review
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Q2. Based on your review task.
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DSA questioin on array and string

Q1. .net question were asked and project regarding question
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Q1. Clone a Todo Application UI using ReactJS, Sass
Ans. 
Clone a Todo Application UI using ReactJS, Sass
• Create a new ReactJS project using create-react-app

• Design the UI using Sass and implement it in ReactJS

• Use state and props to manage the todo list

• Add functionality to add, delete and mark tasks as complete

• Implement local storage to persist data

• Test the application thoroughly
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Q2. Explain the order of specifity in CSS classes, elements, ids, etc
Ans. 
Explanation of CSS specificity hierarchy
• Inline styles have the highest specificity

• IDs have higher specificity than classes and elements

• Multiple selectors with the same specificity are resolved by the order in which they appear in the stylesheet

• The universal selector (*) has the lowest specificity
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This round was more focused on the problem solving. 2 coding questions were asked. The round was for an hour

Q1. How does Server-Side Rendering work?
Ans. 
Server-Side Rendering (SSR) is the process of rendering web pages on the server and sending the HTML to the client.
• SSR improves website performance and SEO by reducing load times and providing search engines with fully rendered pages.

• React provides a library called ReactDOMServer that allows developers to render React components on the server.

• SSR requires a server-side framework or library, such as Next.js or Gatsby, t...read more
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