Infinx CRM Consultant Interview Questions and Answers

Q1. Difference between FRD and BRD
Ans. 
FRD is Functional Requirement Document which specifies what the system must do. BRD is Business Requirement Document which specifies why the system must do it.
• FRD focuses on the technical aspects of the system functionality.

• BRD focuses on the business objectives and goals that the system must achieve.

• FRD is used by developers to understand the specific requirements of the system.

• BRD is used by stakeholders to understan...read more
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Q2. Explain user story writing experience
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I have extensive experience in writing user stories to capture requirements and ensure clear communication between stakeholders and development teams.
• I have worked on various projects where I have written user stories to define features and functionalities from end user perspective.

• I have collaborated with product owners, developers, and other stakeholders to gather requirements and prioritize user stories.

• I have used ...read more
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Q1. Basics of Core Java,Inheritance ,abstraction
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Q2. Handling data in JAVA API
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JAVA API provides various classes and methods to handle data effectively.
• Use classes like BufferedReader, FileReader, and Scanner to read data from files.

• Use classes like BufferedWriter, FileWriter, and PrintWriter to write data to files.

• Use classes like ArrayList and HashMap to store and manipulate data in memory.

• Use classes like ResultSet and PreparedStatement to interact with databases.

• Use classes like JsonParser an...read more
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Q1. Handling code review
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Q2. Performance issues in project
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Performance issues in a project can arise due to various reasons.
• Identify the root cause of the issue

• Analyze the impact of the issue on the project timeline and budget

• Implement corrective actions to resolve the issue

• Monitor the performance regularly to avoid future issues
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Q3. Project scaling
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Q1. Salary package discussions
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Q1. Profile question
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Q2. Personal background
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SQL joins, bst, traversal

Q1. Project related questions
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Q2. Questions asked from resume
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Q1. Basic java array list iteration, generics, stream api, java8 features
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Q1. How would you tell a complete Java beginner the difference between set, list and map?
Ans. 
Set is a collection of unique elements, List is an ordered collection of elements, and Map is a collection of key-value pairs.
• Set does not allow duplicates, e.g. a set of integers {1, 2, 3, 4, 5}

• List maintains the order of elements, e.g. a list of names ['John', 'Mary', 'Bob']

• Map stores key-value pairs, e.g. a map of phone numbers {'John': '123-456-7890', 'Mary': '987-654-3210'}
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Q2. How would you train a complete beginner in Java to write their first program?
Ans. 
To train a beginner in Java, start with basic concepts and gradually introduce programming concepts.
• Start with basic concepts like data types, variables, and operators

• Introduce control structures like if-else statements and loops

• Teach object-oriented programming concepts like classes and objects

• Encourage practice and experimentation with simple programs

• Provide resources like online tutorials and exercises

• Offer guidance
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Q3. What is microservices advantages and basic architecture?
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Microservices are a software architecture approach where applications are built as a collection of small, independent services.
• Advantages include increased scalability, flexibility, and resilience

• Each service can be developed, deployed, and scaled independently

• Allows for easier maintenance and updates

• Basic architecture involves breaking down a monolithic application into smaller, self-contained services

• Services communi
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Q4. Why is main method static? Can we write static public void main()?
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Main method is static because it needs to be called without creating an instance of the class.
• Static methods can be called without creating an instance of the class

• Main method is the entry point of the program

• Main method must have a specific signature: public static void main(String[] args)

• args is an array of strings that can be used to pass command line arguments to the program
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Q5. Asked about current role and responsibilities.
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Q6. Basic cloud concepts like compute, load balancing, container orchestration and deploying on cloud.
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Q7. How would you develop a springboot application?
Ans. 
To develop a Spring Boot application, follow these steps:
• Create a new Spring Boot project using Spring Initializr

• Define the necessary dependencies in the pom.xml file

• Create the necessary Java classes and packages

• Define the application properties in the application.properties file

• Run the application using the Spring Boot Maven plugin or by running the main class

• Test the application using a web browser or a REST client
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Q8. What is the difference between JDK, JRE and JVM?
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JDK is a development kit, JRE is a runtime environment, and JVM is a virtual machine that executes Java code.
• JDK includes JRE and development tools

• JRE includes JVM and necessary libraries

• JVM interprets compiled Java code into machine code

• JDK is needed for developing Java applications

• JRE is needed for running Java applications

• Multiple JVMs can run on a single machine
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Q9. Write a program to check if a number is prime or not.
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Program to check if a number is prime or not.
• A prime number is only divisible by 1 and itself.

• Loop through numbers from 2 to n-1 and check if n is divisible by any of them.

• If n is divisible by any number, it is not prime.

• If n is not divisible by any number, it is prime.
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Q1. Why do you want to join us?
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Q2. Current roles and responsibilities.
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Q3. Asked if comfortable for location?
Ans. You should say yes to the offered location, but also mention your preferred one as well.
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It was a case study - to understnad the steps to be followed for task

Q1. Tell me about yourself
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Q2. SQL questions-what is data characters, etc
Ans. 
Data characters in SQL refer to the type of data that can be stored in a column, such as text, numbers, or dates.
• Data characters in SQL are used to define the type of data that can be stored in a column

• Examples of data characters include VARCHAR for text, INT for integers, and DATE for dates

• Data characters help ensure data integrity and optimize storage space
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Q1. Why oracle joining
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Joining Oracle offers opportunities for growth, innovation, and collaboration in a leading technology company.
• Oracle is a leader in cloud computing, providing cutting-edge solutions for businesses.

• The company fosters a culture of innovation, encouraging employees to think creatively and develop new ideas.

• Joining Oracle means being part of a diverse team that collaborates on global projects, enhancing professional growt...read more
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Q2. Able to work under pressure
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I thrive under pressure by prioritizing tasks, maintaining focus, and leveraging my problem-solving skills to meet deadlines effectively.
• I prioritize tasks by urgency and importance, ensuring critical deadlines are met without compromising quality.

• In my previous role, I managed a project with a tight deadline, coordinating with multiple teams to deliver results on time.

• I practice stress management techniques, such as d...read more
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