TCS Junior System Engineer Interview Questions and Answers

It was about an aptitude test which is on English grammar and athematic reasoning.

The Fibonacci series can be applied to alphabets, and the same should be printed.

Q1. Fibonancci series to print the alphabets?
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Q2. Print the numbers in descending order 123456?
Ans. 
Print numbers in descending order 123456
• Create an array of strings containing the numbers 1 to 6

• Sort the array in descending order

• Print the sorted array
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Q1. Why are you choosing our organization?
Ans. 
I am choosing your organization because of its reputation for innovation, strong company culture, and opportunities for growth.
• Reputation for innovation in the industry

• Strong company culture that values employee development

• Opportunities for growth and advancement within the organization
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Q2. Are you open to relocation?
Ans. 
Yes, I am open to relocation for the right opportunity.
• I am willing to relocate for the right job opportunity that aligns with my career goals.

• I am open to exploring new locations and experiencing different cultures.

• I understand that relocation may be necessary for career advancement and personal growth.
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Q3. Are you comfortable with rotational shifts?
Ans. 
Yes, I am comfortable with rotational shifts as I have prior experience working in such shifts.
• I have previous experience working in rotational shifts at my previous job.

• I am adaptable and can easily adjust my schedule to accommodate rotational shifts.

• I understand the importance of being available during different shifts to ensure smooth operations.

• I am willing to work in rotational shifts to support the team and meet
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Q1. Describe microservice architecture for an e-commerce platform
Ans. 
Microservice architecture for e-commerce platform involves breaking down the application into smaller, independent services.
• Each service is responsible for a specific business function, such as inventory management or payment processing.

• Services communicate with each other through APIs, allowing for flexibility and scalability.

• Each service can be developed, deployed, and scaled independently, making it easier to mainta...read more
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Q2. What is the SAGA pattern?
Ans. 
The SAGA pattern is a design pattern used in distributed systems for managing long-lived transactions.
• SAGA pattern breaks down a long transaction into a series of smaller, more manageable transactions.

• Each smaller transaction is executed independently and can be compensated if needed.

• SAGA pattern helps maintain consistency and reliability in distributed systems.

• Example: In an e-commerce system, the SAGA pattern can be ...read more
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Q3. How Apache Kafka can be used to across multiple producers and consumers across Kafka cluster ?
Ans. 
Apache Kafka can be used to enable communication between multiple producers and consumers across a Kafka cluster.
• Producers can publish messages to specific topics in the Kafka cluster.

• Consumers can subscribe to these topics and receive messages in real-time.

• Kafka ensures fault tolerance and scalability by distributing data partitions across multiple brokers.

• Producers and consumers can be distributed across different no...read more
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Q4. Core Java Questions like Streams API, few problems to solve with flat mapping
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Q5. Core Spring Boot questions
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Q6. DS questions : 2sum problems ,(solve using compliment method), mergesort pseudo code
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Q1. Design patterns
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Q2. Sql interview questions
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Q1. Case study about the given requirement
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Q2. Springboot basic questions
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Q1. Explain about patch management in Linux
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Q2. After patching what are the issues you faced. How did you troubleshoot those issues.
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Q1. Technical regarding OS, M365, Software and Hardware troubleshooting.
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Q2. Admin tools, ticketing tools, itsm
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Q1. Vocabulary, communication skills, process knowledge
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Q2. Roles and responsibilities, incident management
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Q1. Salary discussion, job profile
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Q1. What is DNS and DNS records
Ans. 
DNS stands for Domain Name System, which translates domain names to IP addresses.
• DNS is like the phone book of the internet, translating human-readable domain names (like google.com) to IP addresses (like 172.217.3.206).

• DNS records are used to store information about a domain, such as the IP address of the server hosting the domain, mail server information, etc.

• Common types of DNS records include A records (for IPv4 ad...read more
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Q2. How to patch esxi
Ans. 
ESXi can be patched using VMware Update Manager, command line interface, or by manually downloading and applying patches.
• Use VMware Update Manager to automate patching process

• Use command line interface to manually apply patches

• Download patches from VMware website and apply manually if needed
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Q1. Why you are leaving your current job
Ans. 
Seeking new challenges and opportunities for growth
• Looking for a new challenge to further develop my skills and knowledge

• Interested in exploring new technologies and projects

• Seeking opportunities for career advancement and growth

• Desire for a change in work environment or company culture
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