Bharti Airtel Technical Manager Interview Questions and Answers

Q1. Post vs put, domain driven design, how do you decide whom to hire what are the criteria, acid properties of db.
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Q1. How mpls ping works
Ans. 
MPLS ping is a tool used to test connectivity between two MPLS-enabled devices by sending ICMP echo requests.
• MPLS ping works by encapsulating ICMP echo requests within MPLS packets.

• It uses the MPLS label stack to route the packets through the network.

• The receiving device responds with an ICMP echo reply, allowing the sender to verify connectivity.

• MPLS ping is commonly used for troubleshooting MPLS networks and verifyin
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Q2. Why mpls is required
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MPLS is required for efficient and reliable data packet forwarding in complex networks.
• MPLS allows for traffic engineering, prioritization, and quality of service in networks.

• It provides better performance and reliability compared to traditional IP routing.

• MPLS is essential for connecting multiple locations in a secure and efficient manner.

• It simplifies network management and troubleshooting by creating virtual paths f
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Q1. UI Technical interview: 1. Javascript Questions 2. var let const 3. execution context 4. event loop 5. settimeout and set interval 6.hashmap and hash set
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Q2. Problem on hashmap (need to code) optimization needed
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Q1. Backend (interview) 1. Sql question 2. given a question need to write a sql 3.convert the that sql question to programming 4. Machine coding
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Q1. React Js Interview 1. state and props 2. what is virtual dom 3. diffing process 4. does browser understand jsx 5. given a question need to do live coding to create a counter component woth star and sto...read more
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Q1. Hiring manager round
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Q2. Previous experience on projects technical experience in frontend and testing asked about the real world scenarios
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Q1. General HR discussion
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Q1. What is dynamic programming
Ans. 
Dynamic programming is a method for solving complex problems by breaking them down into simpler subproblems and storing the solutions to avoid redundant calculations.
• Dynamic programming involves breaking down a problem into smaller subproblems and solving each subproblem only once.

• It is typically used for optimization problems where the goal is to find the best solution.

• Examples include the Fibonacci sequence, shortest
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Q1. They will test your technical expertise
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Q1. They will ask some managerial questions
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Q1. Salary discussions
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Duration is for 1 hour. The topics are on Linked Lists, Trees and Heaps.

Q1. Duration is for 1 hours. The topics are on OS concepts and networking.
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Q1. SQL queries based on design and optimization
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Q2. Java concepts around data structure and algorithms
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Q1. Basic idea about what all technologies written in resume
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Q2. Current role etc
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Q1. L2/L3 protocols
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Q2. In depth protocol knowledge
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Q1. L2/L3 Protocols
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Q2. Deep dive into latest project
Ans. 
Developed a web application for tracking and analyzing user behavior
• Used React.js for front-end development

• Implemented data visualization using D3.js

• Utilized Node.js and Express for back-end development

• Integrated with MongoDB for data storage
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Q1. General discussion as usual with HR
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Q2. Salary, compensation etc
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