Computer Services Interview Questions and Answers

I was assigned a task to create a questionnaire consisting of five questions. I need to code, build, and provide instructions on how to use it.

Q1. Questions on current project, core skills mainly on Jenkins, CI/CD, testing, SRE principles, monitoring, python coding.
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Q2. Why you want to join LSEG?
Ans. 
I want to join LSEG because of its reputation for innovation and growth in the financial industry.
• LSEG is a leading global financial markets infrastructure provider

• Opportunity to work with cutting-edge technology and contribute to innovative projects

• Desire to be part of a dynamic and collaborative team environment

• Excited about the potential for career growth and development at LSEG
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Q3. What value can you bring in current team?
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I can bring strong leadership skills, technical expertise, and a collaborative approach to the team.
• Strong leadership skills to guide and motivate team members

• Technical expertise to provide guidance and support on development tasks

• Collaborative approach to foster teamwork and communication within the team
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Q1. Discussions with the Director regarding scenario-based questions, such as how to handle a project in the event of an incident, and how to tackle and overcome such challenges?
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Q1. Explain your last project and your role in this project
Ans. 
Led a team in implementing a new CRM system for a large retail company
• Managed project timeline and deliverables

• Collaborated with stakeholders to gather requirements

• Provided training and support to end users

• Ensured successful implementation and user adoption

• Improved customer data management and analytics
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Q2. Overall working experience with other companies
Ans. 
I have over 10 years of experience working with various companies in consulting roles.
• Managed client relationships and delivered successful projects on time and within budget

• Led cross-functional teams to drive business growth and improve operational efficiency

• Developed and implemented strategic plans to address client needs and achieve objectives
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Q3. Why choose kafka over MQ ? what challenges you faced during kafka implementation ?
Ans. 
Kafka is chosen for its scalability and fault tolerance compared to MQ.
• Kafka offers higher throughput and lower latency compared to MQ.

• Kafka is horizontally scalable, allowing for easy expansion as data volume grows.

• Kafka provides fault tolerance through replication of data across multiple brokers.

• Challenges faced during Kafka implementation may include setting up proper configurations, ensuring data consistency, and m...read more
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Q4. Monolith to microservice migration journey ? what all decisions needs to be taken and how the entire migration took place.
Ans. 
Monolith to microservice migration involves breaking down a large application into smaller, independent services.
• Evaluate the current monolith architecture and identify the components that can be decoupled into microservices.

• Define the boundaries of each microservice to ensure they are cohesive and loosely coupled.

• Choose the right technology stack for each microservice based on its requirements and scalability needs.

• Im...read more
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Q5. If worked for RestAPI ? what is the use of swagger ? what is the content of Swagger documentation ?
Ans. 
Swagger is a tool used for documenting and testing REST APIs.
• Swagger is used for documenting REST APIs by providing a user-friendly interface to view and interact with API endpoints.

• It allows developers to easily understand the functionality of an API, including available endpoints, request/response formats, and authentication methods.

• Swagger documentation typically includes information such as API endpoints, request p...read more
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Q6. Only this was asked to me , and rejected
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Q1. What are derivatives in finance?
Ans. 
Derivatives in finance are financial instruments whose value is derived from the value of an underlying asset.
• Derivatives can be used for hedging against risk, speculating on price movements, or gaining exposure to assets without owning them.

• Common types of derivatives include options, futures, forwards, and swaps.

• Options give the holder the right, but not the obligation, to buy or sell an asset at a specified price be...read more
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Q2. What are the different types of derivatives?
Ans. 
Derivatives are financial instruments whose value is derived from an underlying asset or group of assets.
• Types of derivatives include options, futures, forwards, and swaps.

• Options give the holder the right, but not the obligation, to buy or sell an asset at a specified price before or on a specified date.

• Futures are contracts to buy or sell an asset at a future date for a price agreed upon today.

• Forwards are similar to...read more
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Q1. What are the details of the stock market and its various products?
Ans. 
The stock market is a platform where investors can buy and sell shares of publicly traded companies.
• Stocks represent ownership in a company and can be bought and sold on stock exchanges like NYSE and NASDAQ.

• Bonds are debt securities issued by companies or governments to raise capital.

• Mutual funds pool money from multiple investors to invest in a diversified portfolio of stocks, bonds, or other securities.

• Options give i...read more
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Q2. Balance sheet,profit &loss account
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Q3. Journal entries
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Q4. Option in detail, economic crisis,
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Q1. This round was purely based on DSA. One question of Leetcode hard difficulty was asked. Question Name - Median of two sorted arrays.
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Q1. This was low level design round. I was asked to design a system like Redbus. Functional Requirements - 1. user can login/signup on the platform 2. functionality to choose btw different operational routes....read more
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Q1. This round was taken by their Engineering Director. Questions were related to multithreading, types of entity relationships with examples, transaction management in Spring Boot, JVM components, garbage col...read more
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Q2. Later interviewer asked me to code a multithreading assignment - 1. Create a fixed threadpool of size 10. 2. Submit number of tasks to the threadpool. 3. Return the results from every task and print in mu...read more
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Q1. Walk me thru your CV
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Q2. Technical questions from Job description
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Q3. Why switching your job?
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Q4. Behavioral Questions
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Q5. Projects and accomplishments
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Q6. How do you align with the role?
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Q1. Introduction, be prepared to have knowledge on your resume
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Q2. Mathematical questions like percentage
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Q3. Critical thinking. They asked a question with a given situation what you'll do .
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Q4. The past 4 days been climate be stroming . And current was cut off due to rain and flood , you have a important assignment to finish, what you'll do
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