INDI IT SOLUTIONS Interview Questions and Answers

PEN PAPER round consisting of three coding and c/c++ output based questions.

Q1. OOPS concepts , javascript
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Q2. Projects related questions
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Q1. Behavioural questions
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Q2. Resume , internship related questions
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Q1. Total experience
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Q2. How will you update client on regular basis?
Ans. 
I will update clients through regular progress reports, meetings, emails, and phone calls.
• Provide regular progress reports detailing project status and milestones

• Schedule regular meetings to discuss project updates and address any concerns

• Send frequent emails with updates on project progress and next steps

• Communicate via phone calls to provide immediate updates or address urgent issues
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Q1. What is Ecommerce
Ans. 
Ecommerce is the buying and selling of goods and services over the internet.
• Ecommerce involves online transactions between businesses and consumers

• It includes online retail stores like Amazon and eBay

• Ecommerce platforms facilitate the buying and selling process

• Payment gateways ensure secure transactions
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Q2. Give advantage and disadvantage of E-commerce
Ans. 
Advantages and disadvantages of E-commerce
• Advantage: Increased reach and accessibility to a global market

• Advantage: Lower overhead costs compared to traditional brick-and-mortar stores

• Advantage: Ability to personalize marketing and target specific customer segments

• Disadvantage: Security concerns related to online transactions and data breaches

• Disadvantage: Lack of physical interaction with products before purchase

• Disad...read more
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Q3. What is H lookup and V lookup
Ans. 
H lookup and V lookup are functions in Excel used to search for a value in a table and return a corresponding value.
• H lookup stands for horizontal lookup and searches for a value in the first row of a table and returns a value in the same column.

• V lookup stands for vertical lookup and searches for a value in the first column of a table and returns a value in the same row.

• Both functions are commonly used in Excel for da...read more
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Q1. Questions on basic PixiJs stuff and stuff about OOP.
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Q2. What is the use of Loader?
Ans. 
Loader is used to load external assets such as images, sounds, and data into a game or application.
• Load images, sounds, and data from external sources into the game or application

• Improve loading times by preloading assets before they are needed

• Handle loading errors and provide feedback to the user

• Examples: loading character sprites, background music, level data
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Q3. What is the use of Interface in TypeScript?
Ans. 
Interfaces in TypeScript are used to define the structure of objects. They provide a way to enforce a certain shape on objects.
• Interfaces allow us to define the structure of an object by specifying the properties and their types.

• Interfaces can be used to enforce a certain shape on objects, ensuring that they have the required properties.

• Interfaces can also be used for type checking and to provide better documentation f...read more
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Q4. What is object pooling?
Ans. 
Object pooling is a design pattern where a set of objects are created and reused instead of creating new instances.
• Improves performance by reducing memory allocation and deallocation overhead

• Objects are kept in a pool and reused when needed

• Commonly used in game development for frequently created and destroyed objects
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Asked about previous projects and given a task to make a simple circle and change its color to a random color on click using pixiJS .

Q1. HR round was basic discussion on my prvs work and what I know about gammastack and stuff.
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Question based on dsa

Q1. General questions
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Setup a cluster and find the bottleneck of performance.

Q1. Ways to deal with latency in Cassandra
Ans. 
Ways to optimize latency in Cassandra
• Use appropriate data modeling to reduce the number of queries needed

• Optimize queries by using appropriate indexes and clustering keys

• Tune the Cassandra configuration settings for better performance

• Use caching mechanisms like Memcached or Redis to reduce latency

• Consider using partitioning strategies to distribute data evenly across nodes
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