LearningMate Solutions Senior Business Analyst Interview Questions and Answers for Experienced

2.5 Hours 2 Coding que and sql query and topin tech platform

Q1. Based on boolean matrix
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Q2. Find k closest node of given given node in a BST.
Ans. 
Find k closest nodes to a given node in a BST.
• Perform an inorder traversal of the BST to get a sorted list of nodes.

• Use a priority queue to keep track of the k closest nodes based on their absolute difference with the target node.

• Populate the priority queue with the first k nodes from the inorder traversal.

• For each subsequent node, calculate its absolute difference with the target node and compare it with the top eleme...read more
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Two Medium DSA problem to solve

Q1. Design scalable Streaming pipeline and
Ans. 
Design a scalable streaming pipeline for processing large volumes of data.
• Use a distributed streaming framework like Apache Kafka or Apache Flink for real-time data processing.

• Implement data partitioning and parallel processing to handle high data throughput.

• Utilize cloud services like AWS Kinesis or Google Cloud Pub/Sub for scalability and reliability.

• Include fault tolerance mechanisms like checkpointing and data repl...read more
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Q1. LLD round , write classes and its methods
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Q1. Salary and benefits discussion
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Q1. Why you want to join ?
Ans. 
I am excited about the opportunity to work on challenging projects and contribute to a talented team.
• Passionate about software development and problem-solving

• Interested in working on cutting-edge technologies

• Excited about collaborating with a talented team to create innovative solutions
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Linkedlist, tree, logical

Got 2 medium level DSA questions in the coding test

Q1. Computer fundamentals
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Q2. System Design Questions
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They give a standard application to develop in mvvm or clean architecture, don't forget to write unit tests

Q1. Mostly discuss on the implementation of the project you've done in round one
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Q2. Flutter is addon
Ans. 
Flutter is a UI toolkit for building natively compiled applications for mobile, web, and desktop from a single codebase.
• Flutter is an open-source framework developed by Google.

• It uses the Dart programming language.

• Flutter allows for hot reload, which enables developers to see changes instantly.

• It provides a rich set of pre-built widgets for building user interfaces.

• Flutter can be used to create apps for iOS, Android, w
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Q3. Explain about compose way of thinking.
Ans. 
Compose way of thinking involves breaking down complex problems into smaller, manageable parts and then combining them to create a solution.
• Break down a problem into smaller components

• Solve each component individually

• Combine the solutions to create a complete solution

• Example: Using functions to break down a complex task into smaller functions and then combining them to achieve the desired outcome
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Q4. Difference between presenter and viewmodel
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Q5. Explain about lifecycle of view
Ans. 
Lifecycle of view refers to the stages a view goes through from creation to destruction in an application.
• Creation: View is initialized and loaded into memory.

• Layout: View is positioned and sized on the screen.

• Display: View is rendered and displayed to the user.

• Interaction: User interacts with the view through input events.

• Destruction: View is removed from memory when no longer needed.
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Q1. Explian oops concepts
Ans. 
Object-oriented programming concepts that focus on classes and objects for better code organization and reusability.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability of a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation det...read more
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Q2. Types of waits in selenium
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Types of waits in Selenium include implicit, explicit, and fluent waits.
• Implicit wait: Waits for a certain amount of time before throwing a NoSuchElementException.

• Explicit wait: Waits for a certain condition to occur before proceeding further in the code.

• Fluent wait: Waits for a condition to be true with a specified frequency of checking.

• Example: driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
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Q1. Salary dsicussion
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Q2. Previous company details
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Question was moderate.based on logical reasoning and math.

Coding test question based on sql and python.