LCC Infotech Interview Questions and Answers

Q1. Tell me about yourself.
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Q2. What makes you the ideal candidate for this position?
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Q1. They will Voice test
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Q1. Tell me about your self, what are languages you know, what do you know about phone pe
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Q1. They will check our typing test
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A sequence was provided: 4181, 2684, 1597, 987, 610.
first 2 are given and write code for other value calculation using java 8

The second question required writing a reverse of a palindrome using both Java 8 streams. I was able to successfully write both and clear the first round.

Q1. Interviewer was himself not knowing anything as it was walkin drive he was sitting infront of me and checking questions on phone Introduction that he inturrepted in between when I was introducing myself
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Q2. What are the features of Java 17, specifically related to sealed classes, including their syntax and necessity, along with the potential errors encountered when invoking a sealed class?
Ans. 
Java 17 introduces sealed classes to restrict inheritance and improve code maintainability.
• Sealed classes are declared using the 'sealed' keyword followed by the permitted subclasses.

• Subclasses of a sealed class must be either final or sealed themselves.

• Errors may occur when trying to extend a sealed class with a non-permitted subclass.
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Q3. Java 8 feathers stream api, functional interface, Intermittent operator ,Ternary operator, Prediction,Bi predicate. Answered all successfully
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Q4. Draw low level design of implementation of notify me if item is back in stock in a ecommerce application
Ans. 
Implementation of 'notify me if item is back in stock' feature in an ecommerce application
• Create a database table to store user notifications for out-of-stock items

• Implement a service to check item availability and send notifications to subscribed users

• Provide a user interface for users to subscribe to notifications for specific items
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Q5. All design patterns which I know. Asked me to implement adapter pattern on paper
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Q6. Then given a problem that concurrent way perform operation on excell to decrease the response time
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Q1. How many variance in sap?
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The number of variances in SAP can vary depending on the specific processes and transactions being analyzed.
• The number of variances in SAP can be influenced by factors such as data entry errors, system glitches, or discrepancies in invoice processing.

• Variances in SAP may be identified through reconciliation processes, exception reports, or manual reviews of accounts payable transactions.

• Examples of variances in SAP inc...read more
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Q2. We cac explain the all accounts receivable and accounts payable
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Accounts receivable and accounts payable are two important aspects of a company's financial operations.
• Accounts receivable refers to money owed to a company by its customers for goods or services provided.

• Accounts payable refers to money owed by a company to its suppliers or vendors for goods or services received.

• Accounts receivable is an asset on the balance sheet, while accounts payable is a liability.

• Managing accoun...read more
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Q3. What is the cost element and cost center?
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Cost element and cost center are key concepts in accounting for tracking and allocating costs within an organization.
• Cost element refers to the specific types of costs incurred by an organization, such as materials, labor, or overhead.

• Cost center is a specific department, team, or function within an organization that is responsible for incurring costs.

• Cost elements are assigned to cost centers to track and allocate cos...read more
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Q4. How many we have currencies in sap?
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SAP supports over 160 currencies worldwide.
• SAP supports over 160 currencies for global transactions.

• Currencies can be configured in SAP using transaction code OB22.

• Each currency is assigned a unique currency code (e.g. USD for US Dollar, EUR for Euro).
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Q5. How many types of projects
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There are various types of projects, including internal projects, external projects, research projects, and development projects.
• Internal projects focus on improving processes within the organization.

• External projects involve working with external partners or clients.

• Research projects aim to gather data and analyze findings.

• Development projects focus on creating new products or services.

• Examples: IT system implementati...read more
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Q1. What is the Entity-Relationship (ER) model?
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The Entity-Relationship (ER) model is a data model used to describe the relationships between entities in a database.
• Entities are objects or concepts in the real world that can be distinguished from each other.

• Relationships describe how entities are related to each other.

• Attributes are properties that describe entities and relationships.

• ER diagrams visually represent the ER model, showing entities, relationships, and a...read more
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Q2. What are the advantages of using threads compared to processes?
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Threads are lighter weight than processes, share memory space, and are more efficient for multitasking.
• Threads share the same memory space, making communication between them faster and more efficient.

• Threads are lighter weight than processes, as they share resources such as memory and file descriptors.

• Threads are more efficient for multitasking, as they can run concurrently within the same process.

• Threads are easier to...read more
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Google primarily focuses on pure data structures and algorithms-based questions during coding interviews. Other computer science core topics are typically not covered in Google's interviews. Therefore, it is essential to be proficient in data structures and algorithms to succeed in the Google coding interview.

An aptitude test is a tool used to evaluate a person's skills, abilities, and potential for success in a specific role or activity.

Group discussion is a process of exchanging ideas and opinions among individuals on a specific topic. It is a structured form of communication in which participants have the opportunity to express their views while also listening to others' perspectives on the same subject.

Q1. What are your strengths and weaknesses?
Ans. 
My strengths include problem-solving skills and attention to detail. My weaknesses include time management and public speaking.
• Strengths: problem-solving skills

• Strengths: attention to detail

• Weaknesses: time management

• Weaknesses: public speaking
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Q2. What reasons can you provide for why we should consider hiring you?
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I have a strong foundation in web development, a passion for learning, and a proven track record of delivering high-quality projects.
• I have a solid understanding of HTML, CSS, and JavaScript

• I am proficient in using various web development tools and frameworks such as React and Node.js

• I have successfully completed several web development projects, including a responsive e-commerce website for a local business
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An assignment is a task or piece of work that you are given to complete, particularly as part of your job or studies. The assignment for the course includes written assignments and practical tests, similar to tasks, work, jobs, or charges.

A case study is a detailed description and assessment of a specific situation in the real world, created for the purpose of deriving generalized insights and understanding. It can focus on an individual, a group of people, an organization, or an event, among other subjects.

Q1. What do you consider your greatest accomplishment?
Ans. 
My greatest accomplishment was successfully leading a team to launch a new website for a major client ahead of schedule.
• Successfully led a team to launch a new website

• Completed the project ahead of schedule

• Received positive feedback from the client
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Q2. What factors motivate you in your professional life?
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I am motivated by challenges, learning opportunities, and the ability to make a positive impact.
• Challenges push me to grow and improve my skills.

• Learning opportunities allow me to stay updated with the latest technologies and trends.

• Making a positive impact through my work gives me a sense of fulfillment and purpose.
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Q1. What does your ideal work environment look like?
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My ideal work environment is a collaborative space with supportive colleagues, opportunities for growth, and a healthy work-life balance.
• Collaborative team environment where ideas are shared and valued

• Supportive colleagues who are willing to help and provide feedback

• Opportunities for growth and learning new technologies

• Healthy work-life balance with flexible hours and remote work options
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Q2. How would you impact employee retention?
Ans. 
By creating a positive work environment, offering growth opportunities, and implementing employee recognition programs.
• Creating a positive work environment through open communication and support

• Offering growth opportunities such as training programs and career advancement

• Implementing employee recognition programs to acknowledge and reward hard work

• Providing competitive salaries and benefits to attract and retain top ta
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Q1. What are real-time operating systems?
Ans. 
Real-time operating systems are designed to provide predictable response times and prioritize tasks based on timing constraints.
• Real-time operating systems prioritize tasks based on timing constraints

• They are designed to provide predictable response times

• Examples include VxWorks, QNX, and FreeRTOS
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Q2. Are the applicants first asked several questions regarding data structures and algorithms?
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Q1. What topics are typically discussed during the final round of interviews, particularly regarding salary expectations, working hours, and other job requirements?
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Q2. Are you comfortable working night shifts, considering that many roles at Genpact support international clients?
Ans. 
Yes, I am comfortable working night shifts to support international clients.
• I have previous experience working night shifts in a customer service role.

• I am a night owl and tend to be more productive during late hours.

• I understand the importance of supporting international clients and am willing to adjust my schedule accordingly.
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Q1. A process associate is crucial in ensuring the smooth operation of various business processes across different industries
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Q2. What are the operational tasks necessary to maintain efficiency and quality?
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Operational tasks for maintaining efficiency and quality include regular testing, monitoring performance, updating software, and implementing best practices.
• Regularly test website functionality to ensure it is working properly

• Monitor website performance metrics such as load times and user experience

• Update software and plugins to the latest versions to prevent security vulnerabilities

• Implement best practices for coding,
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Q1. How can you prepare examples demonstrating your leadership, conflict resolution, and prioritization skills to excel in a managerial round interview?
Ans. 
Prepare examples showcasing leadership, conflict resolution, and prioritization skills for a managerial round interview.
• Leadership: Discuss a project where you led a team to success, highlighting your ability to motivate and guide others.

• Conflict Resolution: Share a situation where you successfully resolved a conflict within a team or project, emphasizing your communication and problem-solving skills.

• Prioritization: Ta...read more
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Q2. How do you demonstrate adaptability, leadership, and a commitment to fostering a positive work environment?
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I demonstrate adaptability, leadership, and commitment by actively seeking feedback, taking on new challenges, and fostering collaboration within the team.
• Seek feedback from colleagues and supervisors to continuously improve

• Volunteer for new projects or tasks to expand skills and knowledge

• Encourage open communication and teamwork among team members

• Lead by example by showing a positive attitude and willingness to help o...read more
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Q1. Azure cloud platform tech
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Q2. Informatica tech stack ques
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Q1. Adf tech stack que
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Q2. Scd type 2 implementation
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SCD Type 2 implementation involves tracking historical changes in data by creating new records for each change.
• Identify the columns that need to be tracked for changes

• Add effective start and end dates to track the validity of each record

• Insert new records for changes and update end dates for previous records

• Maintain a surrogate key to uniquely identify each version of the record
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Q1. Dw related que ans
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Q2. Solution design related que
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Q1. Aspiration from my end
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Q2. How soon can join
Ans. 
I can join the team within 2 weeks.
• I can start within 2 weeks of receiving the offer.

• I need to give notice to my current employer.

• I may need to relocate, which could affect my start date.
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Q1. Write a code for febonacci series
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Q2. Dynamic webElements handling using Xpath?
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Q3. What is spike in agile?
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Q4. Difference between agile and waterfall based model?
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Q5. Sprint point system? Explain?
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Q6. Payment failure by debit card in e-commerce site? Make test scenarios?
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For example, a ₹10 LPA CTC could mean an in-hand salary of ₹70,000–₹75,000 per month, depending on deductions and benefits.

✨ 𝗣𝗿𝗼 𝗧𝗶𝗽: Always request a detailed salary structure during negotiations—it’s your roadmap to making informed decisions

𝗖𝗧𝗖 𝘃𝘀 𝗜𝗻-𝗛𝗮𝗻𝗱 𝗦𝗮𝗹𝗮𝗿𝘆: 𝗧𝗵𝗲 𝗥𝗲𝗮𝗹𝗶𝘁𝘆 𝗖𝗵𝗲𝗰𝗸 𝗘𝘃𝗲𝗿𝘆 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗡𝗲𝗲𝗱𝘀!

We’ve all been there—excitedly discussing job offers and hearing about the impressive CTC (Cost to Company). But when payday arrives, you wonder

Q1. 2️⃣ 𝗜𝗻-𝗛𝗮𝗻𝗱 𝗦𝗮𝗹𝗮𝗿𝘆: This is the actual amount you take home after deductions like: • Employee’s contribution to PF • Income tax (TDS) • Professional tax
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Q2. 𝗖𝗧𝗖 𝘃𝘀 𝗜𝗻-𝗛𝗮𝗻𝗱 𝗦𝗮𝗹𝗮𝗿𝘆: 𝗧𝗵𝗲 𝗥𝗲𝗮𝗹𝗶𝘁𝘆 𝗖𝗵𝗲𝗰𝗸 𝗘𝘃𝗲𝗿𝘆 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗡𝗲𝗲𝗱𝘀! We’ve all been there—excitedly discussing job offers and hearing about the impressi...read more
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Q1. What improvements to interfaces were introduced in Java 8 that were missing in Java 7, specifically regarding static and default methods?
Ans. 
Java 8 introduced static and default methods in interfaces, allowing for method implementation and code reusability.
• Java 8 introduced static methods in interfaces, allowing for method implementation directly in the interface itself.

• Default methods were also introduced in Java 8, enabling interfaces to have method implementations without affecting implementing classes.

• Static methods in interfaces can be called using the...read more
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Q2. Explain internal working of HashMap ? How to synchronize it ?
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HashMap is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values.
• HashMap uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.

• If multiple keys hash to the same index, a linked list is used to handle collisions.

• To synchronize a HashMap, you can use the synchronizedMap() m...read more
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Q3. Given a list of employees with their ratings, how can you sort the employees based on their ratings using the Java 8 Streaming API?
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Q4. Will the program compile if the parent class throws a runtime exception while the child class throws an arithmetic exception?
Ans. 
No, the program will not compile if the parent class throws a runtime exception while the child class throws an arithmetic exception.
• In Java, if a parent class method throws a checked exception, the child class method can only throw the same exception or its subclasses.

• ArithmeticException is an unchecked exception, so if the parent class throws a checked exception and the child class throws an unchecked exception, the ...read more
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Q5. In a Spring Boot application with two databases, how can you configure JDBC to specify which database to use?
Ans. 
Configure JDBC in Spring Boot to specify which database to use
• Define multiple DataSource beans in the configuration class

• Use @Primary annotation to specify the primary DataSource

• Use @Qualifier annotation to specify the secondary DataSource

• Inject the DataSource beans where needed in the application
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Q6. How to use a jetty server in your spring boot application ?
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To use a Jetty server in a Spring Boot application, you can configure it as a dependency and customize its settings.
• Add Jetty server dependency in your pom.xml file

• Exclude Tomcat server dependency if it's included by default in Spring Boot

• Configure Jetty server settings in application.properties or application.yml file

• Example: Add Jetty dependency - <dependency> <groupId>org.springframework.boot</groupId...read more
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Q7. Difference between @RequestParam and @PathVariable ?
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RequestParam is used to extract query parameters from the URL, while PathVariable is used to extract values from the URI path.
• RequestParam is used for query parameters in the URL, while PathVariable is used for values in the URI path.

• RequestParam is optional, while PathVariable is required.

• RequestParam is used with the @RequestParam annotation, while PathVariable is used with the @PathVariable annotation.

• Example: @Requ...read more
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Q8. How would you handle a scenario where one microservice is awaiting a response from another microservice that is taking an extended time to respond?
Ans. 
I would implement timeout mechanisms and retries to handle the scenario of one microservice awaiting a response from another microservice taking an extended time.
• Implement timeout mechanisms in the calling microservice to limit the waiting time for a response.

• Set up retry logic to automatically resend the request to the slow microservice if no response is received within the specified timeout period.

• Use circuit breaker...read more
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