Hfcl Infotel Diploma Trainee Engineer Interview Questions and Answers

Q1. How many experience you have?
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Q2. Are you interested to relocate?
Ans. Sir I have 6 years work of experience and I am interested to relocate anywhere.
Answered by ABHISHEK ARYA
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Q3. Why are you join the reliance jio?
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Q4. Why are you leave your previous company?
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Q5. Are interested to join?
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Discussion about my passion and my telecommunication experience

Q1. Basic concepts of VOIP and trunk configuration. Need to know ongoing voip trends in the market. Teams is budding platform and would be great to have Skype for business background
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Q1. Why do you want to join Tata?
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2 levels of interview asked on Java Spring boot

2 levels of interview asked on java spring

Q1. BGP MPLS QOS OSPF
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Q2. Work profile in last company
Ans. 
I worked as a Senior Engineer in my previous company.
• Led a team of engineers in developing and implementing new software solutions

• Collaborated with cross-functional teams to ensure project success

• Designed and implemented scalable and efficient code

• Participated in code reviews and provided constructive feedback

• Mentored junior engineers and facilitated their professional growth
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Q1. Salary discussion for role
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Sdwan, osi layer tcp ,udp,ip addressing,

Q1. SDWAN, ip addressing ,subnetting, osi modle
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Hacker rank test was given. 30 mcq and 1 coding test. Test duration is 1 hour. Core java and spring boot questions were covered.

Q1. Core Java, spring annotations, hashmap internal working, exception handling, working of rest controller, Java 8 features, code using streams api, multithreading concepts
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Q1. Microservice architecture, working of spring Mvc, communications between microservice, actuator, swagger, why microservice is implemented, spring vs spring boot, design patterns used, questions related to ...read more
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Basic technical, physics, and mathematics questions.

Q1. What is the function of a transformer?
Ans. 
A transformer is an electrical device that transfers electrical energy between circuits through electromagnetic induction.
• Transforms voltage levels: Increases (step-up) or decreases (step-down) voltage for efficient power transmission.

• Used in power distribution: Essential for transmitting electricity over long distances with minimal losses.

• Example: Step-up transformers are used at power plants to increase voltage for t...read more
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Q2. What is the difference between Current Transformers (CT) and Potential Transformers (PT)?
Ans. 
CTs measure current, while PTs measure voltage in electrical systems for protection and metering.
• CTs are used to step down high current levels to a manageable value for measurement.

• PTs are used to step down high voltage levels to a lower value for measurement.

• Example of CT: Used in power plants to monitor generator output.

• Example of PT: Used in substations to monitor line voltage.

• CTs provide current input for protectiv
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Q3. What is the difference between a fuse and a circuit breaker?
Ans. 
A fuse is a one-time protective device, while a circuit breaker can be reset after tripping due to overload or short circuit.
• Fuses melt to break the circuit, while circuit breakers trip and can be reset.

• Fuses are typically cheaper and simpler, but circuit breakers offer more convenience.

• Example of a fuse: glass tube fuse in household appliances.

• Example of a circuit breaker: automatic reset circuit breaker in electrical
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Q1. What qualifications and experiences make you a suitable candidate for this position?
Ans. 
I possess a strong educational background and relevant internship experience, making me a suitable candidate for the Diploma Trainee Engineer role.
• Educational Background: I hold a Diploma in Engineering with a focus on mechanical systems, which provides a solid foundation for this role.

• Internship Experience: I completed a six-month internship at XYZ Engineering, where I assisted in designing and testing mechanical comp...read more
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Q2. Can you elaborate on your internship experience, including your roles and responsibilities?
Ans. 
During my internship, I gained hands-on experience in engineering projects, focusing on design, analysis, and teamwork.
• Assisted in the design and development of a new product prototype, which improved efficiency by 15%.

• Conducted tests and analyses on materials to ensure compliance with industry standards.

• Collaborated with a team of engineers to troubleshoot and resolve technical issues during project execution.

• Particip...read more
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Q3. Where do you envision yourself in the future?
Ans. 
In the future, I see myself as a skilled engineer, leading innovative projects and contributing to sustainable technology solutions.
• I aim to become a project lead, managing teams to deliver successful engineering solutions.

• I envision working on renewable energy projects, such as solar or wind energy systems.

• I plan to continuously upgrade my skills through certifications and workshops in emerging technologies.

• I hope to ...read more
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Fibre optic network & router network configuration

Q1. Communication skills in fibre optic network
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