Hitachi Interview Questions, Process, and Tips

Q1. What are your role & responsibility?
Ans. 
As an Executive Assistant, my role is to provide high-level administrative support to executives by managing schedules, coordinating meetings, handling correspondence, and performing various tasks to ensure the smooth operation of the office.
• Manage executive's calendar and schedule appointments

• Coordinate meetings and conferences, including preparing agendas and taking minutes

• Handle correspondence, emails, and phone cal...read more
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Q2. Why do you looking for a change?
Ans. 
Seeking new challenges and growth opportunities in a dynamic work environment.
• Looking to expand my skill set and take on new responsibilities

• Interested in working for a company with a strong mission and values

• Seeking a more collaborative and innovative work culture

• Want to explore different industries and broaden my professional network
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Q3. What is your current CTC?
Ans. 
My current CTC is $60,000 per year.
• My current CTC is $60,000 per year

• I am currently earning $5,000 per month

• My annual salary is $60,000
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Q1. Tell me about yourself and projects
Ans. 
I am a data engineer with experience in building data pipelines and optimizing data storage for various projects.
• Developed ETL pipelines to extract, transform, and load data from multiple sources into a centralized data warehouse

• Implemented data modeling techniques to optimize database performance and ensure data integrity

• Worked on real-time data processing systems using technologies like Apache Kafka and Spark Streami...read more
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Q1. What are the steps involved in creating a database table?
Ans. 
Steps involved in creating a database table
• Define the table name and columns with data types

• Set primary key and any constraints

• Specify relationships with other tables if needed

• Create the table using SQL query

• Test the table by inserting and querying data
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Q2. What are the steps to the creation of APIs?
Ans. 
Steps to create APIs involve planning, designing, implementing, testing, and documenting.
• Plan the API functionality and endpoints

• Design the API structure and data formats

• Implement the API using programming languages and frameworks

• Test the API for functionality, performance, and security

• Document the API for developers to understand its usage
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Q1. Test design techniques
Ans. 
Test design techniques are methods used to create test cases and scenarios for software testing.
• Black box testing: Testing based on external behavior without knowledge of internal code.

• White box testing: Testing based on internal code structure and logic.

• Equivalence partitioning: Dividing input data into partitions to ensure thorough testing.

• Boundary value analysis: Testing at the boundaries of input ranges to uncover ...read more
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Q2. Difference between sanity and smoke
Ans. 
Sanity testing is a narrow and deep testing to ensure that the most crucial functionalities work correctly, while smoke testing is a broad and shallow testing to check if the software build is stable enough for further testing.
• Sanity testing focuses on specific areas of the application to ensure that the critical functionalities are working as expected.

• Smoke testing is a preliminary test to check if the software build ...read more
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Q1. Reverse the string
Ans. 
Reverse a given string
• Use a loop to iterate through the characters of the string

• Swap the characters from start to end to reverse the string

• Alternatively, use built-in functions like reverse() in some programming languages
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Q2. Split the string
Ans. 
Split a string into an array of strings based on a specified delimiter
• Use the split() method in programming languages like JavaScript, Python, or Java

• Specify the delimiter as an argument to the split() method

• Example: 'Hello,World' split(',') would result in ['Hello', 'World']
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Q1. Why are you leaving current organization
Ans. 
Seeking new challenges and growth opportunities
• Looking for career advancement

• Desire to work on more challenging projects

• Seeking a better work-life balance

• Company restructuring or changes in management
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Q1. What is cypress ?
Ans. 
Cypress is a JavaScript-based end-to-end testing framework for web applications.
• Cypress allows for easy and fast testing of web applications

• It provides a clean and simple syntax for writing tests

• Cypress can simulate user interactions and test the application's functionality

• It has built-in support for debugging and time-travel features
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Q2. What is selenium in testing
Ans. 
Selenium is a popular open-source automation testing tool used for web application testing.
• Selenium is used for automating web browsers to test web applications.

• It supports multiple programming languages like Java, Python, C#, etc.

• Selenium WebDriver is the most commonly used component for writing test scripts.

• Selenium IDE is a record and playback tool for creating quick test scripts.

• Selenium Grid allows running tests o...read more
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Addition of 2 number

Q1. Oracle apps RICE components
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Q2. OAF Questions related to cusotmizations and extenstions
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Q1. Average difficult level and covered everything from basics
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Q1. It was very friendly discussion to test our communications skills and team handling activities etc
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Q1. Again technical round to cover scenario based questions
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