R Systems International Associate Technical Architect Interview Questions and Answers

Q1. Return on investment on the IT investment is key focus here.
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Q2. How would different personas be impacted.
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Q3. How service management adds to customer experience.
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Service management enhances customer experience by ensuring efficient and effective delivery of services.
• Service management helps in setting clear service expectations with customers.

• It ensures timely and consistent delivery of services, leading to customer satisfaction.

• Service management also involves handling customer feedback and complaints effectively.

• By optimizing service processes, service management can improve ...read more
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Q4. Field management services
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Q1. What do you know about Credit Card Transaction lifecycle
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Credit card transaction lifecycle involves authorization, clearing, and settlement processes.
• Authorization: Initial approval of the transaction by the card issuer.

• Clearing: The process of exchanging transaction details between the merchant and the card issuer.

• Settlement: The final transfer of funds from the cardholder's account to the merchant's account.

• Chargeback: A reversal of a transaction due to disputes or fraud.

• I...read more
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On the topic of wfh vs wfo

Q1. Logic for leap year
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A leap year is a year that is divisible by 4, except for years that are divisible by 100 but not by 400.
• Leap year is divisible by 4

• Exception: Years divisible by 100 but not by 400 are not leap years

• Example: 2000 is a leap year because it is divisible by 400
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Q2. Logic for fibonocee series
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Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.
• Start with 0 and 1 as the first two numbers in the series

• Add the previous two numbers to get the next number in the series

• Repeat this process to generate the Fibonacci series
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Q3. Swap two number without 3rd variable
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Swap two numbers without using a third variable
• Use bitwise XOR operation to swap two numbers without using a third variable

• Example: a = 5, b = 10. a = a XOR b, b = a XOR b, a = a XOR b

• After swapping: a = 10, b = 5
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Q1. Biometric attitude questions
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Q1. How to handle security in Kafka?
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Security in Kafka can be handled through authentication, authorization, encryption, and SSL/TLS.
• Implement authentication mechanisms like SASL or SSL for secure communication between clients and brokers.

• Set up ACLs (Access Control Lists) to control access to topics and resources.

• Enable encryption using SSL/TLS to secure data in transit.

• Use tools like Confluent Security Plugins for additional security features.

• Regularly ...read more
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Q2. Benefits of Microservices?
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Microservices offer benefits such as scalability, flexibility, resilience, and easier maintenance.
• Scalability: Microservices allow for individual components to be scaled independently, leading to better resource utilization.

• Flexibility: Each microservice can be developed, deployed, and updated independently, allowing for more flexibility in the development process.

• Resilience: If one microservice fails, it does not brin...read more
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Q3. Have you done any customisation in spring-boot?
Ans. 
Yes, I have done customisation in spring-boot.
• Implemented custom error handling by extending ResponseEntityExceptionHandler

• Created custom annotations for validation

• Configured custom logging using Logback
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