Bodhi Info Solutions Interview Questions and Answers

The Aptitude Test session accesses mathematical and logical reasoning abilities

Q1. What is Vlookup
Ans. 
Vlookup is a function in Excel used to search for a value in a table and return a corresponding value from another column.
• Vlookup stands for 'Vertical Lookup'

• It is commonly used in Excel to search for a value in the leftmost column of a table and return a value in the same row from a specified column

• Syntax: =VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup])

• Example: =VLOOKUP(A2, B2:D10, 3, FALSE) - searc...read more
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Q2. Some IF else Question in Excel
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Q3. What does your day in your previous organization look like?
Ans. 
My day in my previous organization involved analyzing large datasets, creating reports, and presenting findings to stakeholders.
• Reviewing and cleaning large datasets to ensure accuracy

• Creating visualizations and reports to communicate insights

• Collaborating with team members to identify trends and patterns

• Presenting findings to stakeholders in meetings or presentations
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Q4. Could you share the technical skills you possess?
Ans. 
I possess strong technical skills in data analysis, including proficiency in programming languages, statistical analysis, and data visualization tools.
• Proficient in programming languages such as Python, R, SQL

• Skilled in statistical analysis and data modeling techniques

• Experience with data visualization tools like Tableau, Power BI

• Knowledge of machine learning algorithms and techniques
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Q5. Can you explain what a Pivot Table is?
Ans. 
A Pivot Table is a data summarization tool used in spreadsheet programs to analyze, summarize, and present data in a tabular format.
• Pivot tables allow users to reorganize and summarize selected columns and rows of data to obtain desired insights.

• Users can easily group and filter data, perform calculations, and create visualizations using pivot tables.

• Pivot tables are commonly used in Excel and other spreadsheet program...read more
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Q6. Find the Highest-paid employee in each department along with their salary and department name.
Ans. 
To find the highest-paid employee in each department, we need to group employees by department and then select the employee with the highest salary in each group.
• Group employees by department

• Find the employee with the highest salary in each group

• Retrieve the employee's name, salary, and department name
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Q1. HTML, CSS fundamentals
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Q2. Javascript event loop and array methods
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Q3. Javascript coding for operation on object array
Ans. 
Performing operations on an array of objects using JavaScript.
• Use array methods like map, filter, reduce for operations on object array.

• Access object properties using dot notation or bracket notation.

• Iterate through the array using loops like for loop or forEach method.

• Example: Calculate total sum of 'price' property in an array of products.
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Q4. React benefits and Redux implementations
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Q5. How to create slice and combine reducers
Ans. 
To create slice and combine reducers in React, use the createSlice and combineReducers functions from Redux toolkit.
• Use createSlice function to define a slice of state with reducers and actions.

• Example: const counterSlice = createSlice({ name: 'counter', initialState: 0, reducers: { increment: state => state + 1, decrement: state => state - 1 } })

• Use combineReducers function to combine multiple slices into a sing...read more
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Q1. Questions based on projects, role, responsibilities and initiative at work place
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Q2. How to create and optimize a react application
Ans. 
To create and optimize a React application, focus on efficient component structure, state management, code splitting, lazy loading, and performance monitoring.
• Use functional components and hooks for better performance.

• Implement state management with tools like Redux or Context API.

• Split code into smaller chunks and lazy load components for faster initial load times.

• Optimize performance by minimizing re-renders and usin...read more
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Q1. Day to day activity of workplace and salary negotiation
Ans. 
Day to day activities involve coding, debugging, testing, collaborating with team members. Salary negotiation involves research, preparation, and effective communication.
• Coding and developing new features

• Debugging and fixing issues

• Testing code for quality assurance

• Collaborating with team members for project progress

• Researching market rates for salary negotiation

• Preparing a strong case for desired salary

• Effectively comm
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Q1. Basic ReactJs ,NodeJs questions with typescript
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Q2. Prepare for javascript problems on , string , array , recursion, this.fn
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Q1. Asked on Node.js event loop , libuv , AWS , Ci-Cid , authentication, middleware , design and problem solving questions
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Q2. Recursion, array methods problem solving Js questions , es6 , array methods
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Q1. Details about you and your family,. Location
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Q2. Salary expectations
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Q1. What are the different types of interfaces?
Ans. 
Different types of interfaces include user interfaces, hardware interfaces, and software interfaces.
• User interfaces: allow users to interact with the system, such as graphical user interfaces (GUI) and command-line interfaces (CLI)

• Hardware interfaces: connect hardware components to the system, such as USB, HDMI, and Ethernet ports

• Software interfaces: define how software components interact with each other, such as appl...read more
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Q2. What is the output of the program when the expression is evaluated as 0 divided by 7?
Ans. 
The output of the program when 0 is divided by 7 is 0.
• Division of 0 by any number results in 0.

• In programming languages, dividing by 0 usually results in an error or undefined behavior.
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Q3. What are coroutines, scope functions, and visibility modifiers?
Ans. 
Coroutines, scope functions, and visibility modifiers are key concepts in Kotlin programming for Android development.
• Coroutines are a way to perform asynchronous programming in a sequential manner. They allow for non-blocking operations.

• Scope functions are functions that allow you to execute a block of code within the context of an object. Examples include 'let', 'apply', 'run', 'also', and 'with'.

• Visibility modifiers ...read more
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Q1. What is the MVVM (Model-View-ViewModel) architectural pattern?
Ans. 
MVVM is an architectural pattern that separates the user interface from the business logic and data handling in Android development.
• Model represents the data and business logic of the application.

• View is responsible for displaying the UI elements and sending user interactions to the ViewModel.

• ViewModel acts as a mediator between the Model and the View, handling the communication and data flow.

• MVVM helps in achieving se...read more
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Q2. What are the reasons for using that, and what are its pros and cons?
Ans. 
Using dependency injection in Android development can improve code maintainability and testability.
• Pros: easier to manage dependencies, promotes code reusability, facilitates unit testing

• Cons: initial setup can be complex, may introduce overhead in smaller projects

• Example: Using Dagger 2 for dependency injection in an Android project
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Q3. Questions related Dependency injection dagger-hilt / koin
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Q1. Myself and experience in english
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Q2. Selected for the peocess
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Q3. Last drawn salary why you are not another process
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Q4. Why you left last job
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Q5. Rate ur english 1 to 10 numbers
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Q6. Introduce yourself as a employee
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Q7. Season topic talk for two minutes
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Q8. How is good english
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Q9. Your favourite place on this topic
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Q1. It was technical questions in relevant area
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Q2. The questions relevant to my skill set and experience
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Q1. The questions relevant to my skills and experience
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Q2. The questions relevant to job requirements
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Q1. General discussion about the profession and career
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Q2. Discussed job location and client
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Q1. Discussed about client and company
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Q2. Orientation related things discussed.
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Assessment via link MCQ

Q1. Microservices theory, Kafka
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Q2. Singoloton design pattern, concurrent package, core java, collection questions, Java 8 related problem solving stream api questions
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Q1. Same like round 1, little bit managerial
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Q2. Producer consumer multithreading, Java 8 , core java, project
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Q1. Behavioral questions
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Q2. Situation based questions
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Q1. Command to check disk utilisation and health in Hadoop
Ans. 
Use 'hdfs diskbalancer' command to check disk utilisation and health in Hadoop
• Run 'hdfs diskbalancer -report' to get a report on disk utilisation

• Use 'hdfs diskbalancer -plan <path>' to generate a plan for balancing disk usage

• Check the Hadoop logs for any disk health issues
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Q2. Spark Architecture & the significance of each member of spark Architecture
Ans. 
Spark Architecture consists of Driver, Cluster Manager, and Executors. Driver manages the execution of Spark jobs.
• Driver: Manages the execution of Spark jobs, converts user code into tasks, and coordinates with Cluster Manager.

• Cluster Manager: Manages resources across the cluster and allocates resources to Spark applications.

• Executors: Execute tasks assigned by the Driver and store data in memory or disk for further pr...read more
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Q3. Partitioning and bucketing
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Q4. Spark optimization techniques
Ans. 
Optimization techniques in Spark improve performance and efficiency of data processing.
• Partitioning data to distribute workload evenly

• Caching frequently accessed data in memory

• Using broadcast variables for small lookup tables

• Avoiding shuffling operations whenever possible

• Tuning memory settings and garbage collection parameters
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Q5. Second highest salary
Ans. 
I am unable to provide this information as it is confidential.
• Confidential information about salaries in previous organizations should not be disclosed.

• It is important to respect the privacy and confidentiality of past employers.

• Discussing specific salary details may not be appropriate in a professional setting.
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Q6. Pivot table creation in SQL from not pivot one
Ans. 
To create a pivot table in SQL from a non-pivot table, you can use the CASE statement with aggregate functions.
• Use the CASE statement to categorize data into columns

• Apply aggregate functions like SUM, COUNT, AVG, etc. to calculate values for each category

• Group the data by the columns you want to pivot on
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Q7. How to create triggers
Ans. 
Creating triggers in a database involves defining the trigger, specifying the event that will activate it, and writing the code to be executed.
• Define the trigger using the CREATE TRIGGER statement

• Specify the event that will activate the trigger (e.g. INSERT, UPDATE, DELETE)

• Write the code or actions to be executed when the trigger is activated

• Test the trigger to ensure it functions as intended
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Q1. Basic pipeline,python,some simple coding
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Q2. More on resume and based on ur answers
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Q3. Docker multistage
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Q1. Write the k8s deployment ymal with rolling update for given docker image
Ans. 
Create a k8s deployment ymal with rolling update for a given docker image
• Define a Deployment object in the YAML file

• Specify the container image in the spec section

• Set the update strategy to RollingUpdate

• Define the number of replicas for the deployment
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Q2. Read json file and recursive way of geting value based on key
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