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Railtel Corporation Of India Wifi Network Engineer Interview Questions and Answers

Updated 12 Mar 2024

Railtel Corporation Of India Wifi Network Engineer Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Feb 2024. There were 2 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. Only basic question
Round 2 - Technical 

(2 Questions)

  • Q1. What is osi layer
  • Ans. 

    OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven abstraction layers.

    • OSI model stands for Open Systems Interconnection model

    • It is a conceptual framework used to understand how different networking protocols interact with each other

    • The model consists of 7 layers: Physical, Data Link, Network, Transport, Session, Presen...

  • Answered by AI
  • Q2. Is any experience in wifi
  • Ans. 

    Yes, I have experience in designing, implementing, and troubleshooting wifi networks.

    • Experience in designing wifi networks by determining coverage areas and selecting appropriate equipment

    • Implementing wifi networks by configuring routers, switches, access points, and security settings

    • Troubleshooting wifi networks by analyzing performance issues, interference, and signal strength

    • Knowledge of wifi standards, protocols, a...

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Feb 2024.

Round 1 - Aptitude Test 

Maths and reasoning , basic aptitude and personal information

Round 2 - One-on-one 

(3 Questions)

  • Q1. Can you explain the network architecture of your previous organization and describe your responsibilities within that framework?
  • Ans. 

    The network architecture of my previous organization consisted of a centralized data center with multiple branch offices connected via MPLS.

    • Centralized data center with redundant core switches and firewalls

    • Branch offices connected via MPLS for secure communication

    • Implemented VLANs to segregate network traffic

    • Configured and maintained routers, switches, and firewalls

    • Monitored network performance and security incidents

  • Answered by AI
  • Q2. Explain stp
  • Ans. 

    STP stands for Spanning Tree Protocol, a network protocol that ensures a loop-free topology in Ethernet networks.

    • STP is used to prevent loops in Ethernet networks by blocking redundant paths.

    • It selects a single path for data transmission while blocking others to prevent network loops.

    • STP operates by exchanging messages between network switches to determine the most efficient path.

    • STP can be improved with enhancements l...

  • Answered by AI
  • Q3. Explain wireless troubleshooting
  • Ans. 

    Wireless troubleshooting involves identifying and resolving issues with wireless networks.

    • Check for physical obstructions that may be blocking the signal

    • Verify that the wireless router is properly configured and functioning

    • Ensure that the correct network SSID and password are being used

    • Check for interference from other electronic devices

    • Update firmware and drivers for network devices

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Formalities documentation Ccna

Interview Preparation Tips

Interview preparation tips for other job seekers - Be thorough with concepts

I applied via Referral and was interviewed before Dec 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. OOPS concept
  • Q2. Database concepts and modal concepts

Interview Preparation Tips

Interview preparation tips for other job seekers - Be yourself and prepare for OOPS at most
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Jan 2024. There were 3 interview rounds.

Round 1 - Group Discussion 

My GD topic was renewable energy.

Round 2 - HR 

(7 Questions)

  • Q1. Tell me about yourself
  • Ans. 

    I am a Senior Engineer with 10+ years of experience in designing and implementing complex systems.

    • 10+ years of experience in engineering

    • Specialize in designing and implementing complex systems

    • Strong problem-solving skills

    • Experience with various programming languages such as Java, Python, and C++

  • Answered by AI
  • Q2. Why do you want to leave your previous company and join GAIL
  • Ans. 

    Seeking new challenges and growth opportunities at GAIL.

    • Desire for new challenges and opportunities for growth

    • Interested in working in a different industry or with different technologies

    • Attracted to GAIL's reputation and projects

    • Seeking a more collaborative and innovative work environment

  • Answered by AI
  • Q3. What do your parents do
  • Ans. 

    My parents are both retired now, but my father used to work as a civil engineer and my mother was a teacher.

    • Father worked as a civil engineer

    • Mother was a teacher

    • Both are retired now

  • Answered by AI
  • Q4. Have you ever visited Delhi earlier
  • Ans. 

    Yes, I have visited Delhi earlier for a business trip.

    • Visited Delhi for a business trip

    • Explored historical sites like Red Fort and Qutub Minar

    • Enjoyed local cuisine like butter chicken and chaat

  • Answered by AI
  • Q5. How did you reach Noida for interview
  • Q6. Where are you staying in Noida for interview process
  • Ans. 

    I am staying at a hotel in Sector 18, Noida for the interview process.

    • Staying at a hotel in Sector 18, Noida

    • Close to the interview location

    • Comfortable accommodation for the duration of the process

  • Answered by AI
  • Q7. Related family background
Round 3 - Technical 

(7 Questions)

  • Q1. Detailed technical questions about bearing, pump, furnace tubes (1st and 2nd pass)MOC, TLE MOC, heat exchanger tube MOC, TEMA codes and classification etc.
  • Q2. Decoking process of cracking furnace, Naphtha circuit of furnace with sketches,
  • Ans. 

    Decoking process involves removing coke deposits from cracking furnace and naphtha circuit to maintain efficiency.

    • Decoking process involves burning off coke deposits using controlled combustion.

    • Mechanical decoking involves using high-pressure water jets to remove coke deposits.

    • Chemical decoking involves using solvents or acids to dissolve coke deposits.

    • Regular decoking is essential to prevent blockages and maintain fur

  • Answered by AI
  • Q3. Detailed refrigeration cycles
  • Ans. 

    Refrigeration cycles are thermodynamic processes used in refrigerators and air conditioners to transfer heat from a low temperature reservoir to a high temperature reservoir.

    • Refrigeration cycles typically involve four main components: compressor, condenser, expansion valve, and evaporator.

    • The refrigerant undergoes a cycle of compression, condensation, expansion, and evaporation to absorb heat from the space being coole...

  • Answered by AI
  • Q4. Safety related questions which I couldn't answer well
  • Q5. Safety procedures before starting of hot job
  • Ans. 

    Safety procedures before starting a hot job include obtaining a hot work permit, conducting a hazard assessment, ensuring proper ventilation, and having fire extinguishing equipment nearby.

    • Obtain a hot work permit before starting any hot job

    • Conduct a hazard assessment to identify potential risks

    • Ensure proper ventilation in the work area to prevent buildup of flammable gases

    • Have fire extinguishing equipment nearby and r

  • Answered by AI
  • Q6. Furnace tubes Welding related questions
  • Q7. Scaffolding and insulation related general questions (easy)

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared for GD and just keep enough technical knowledge on your field of experience. Be relaxed and give interview with happy face..don't be depressed if you couldn't answer any question during interview. If you don't know anything just say "I don't know" ...keep the things simple and give honest answer always.

I applied via Company Website and was interviewed before Sep 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. How will you identify if a pump is cavitating while working on a DCS panel?
  • Ans. 

    To identify if a pump is cavitating while working on a DCS panel, you can look for certain indicators.

    • Monitor the pump's suction pressure. If it is fluctuating or dropping below the specified range, it may indicate cavitation.

    • Check the pump's discharge pressure. If it is higher than normal, it could be a sign of cavitation.

    • Listen for unusual noises such as a rattling or grinding sound coming from the pump.

    • Inspect the p...

  • Answered by AI
  • Q2. How would you prepare a hydrocarbon vessel for vessel entry?
  • Ans. 

    To prepare a hydrocarbon vessel for vessel entry, follow these steps:

    • Ensure the vessel is properly isolated from the process and all sources of energy

    • Ventilate the vessel to remove any flammable or toxic gases

    • Perform a thorough inspection of the vessel for any signs of leaks or damage

    • Implement proper lockout/tagout procedures to prevent accidental activation of equipment

    • Provide appropriate personal protective equipment...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for GAIL Senior Engineer interview:
  • Chemical Engineering
  • DCS Operations
Interview preparation tips for other job seekers - Try to answer the questions asked in simple words. The interviewer generally wants to judge an interviewee based on his understanding of the subject. When an applicant is appearing for an interview, he should share his experience and try to quote examples from his experience.
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Analysis , graph , dp , recursion

Round 2 - Coding Test 

Array, string, graph

I applied via Company Website and was interviewed in Nov 2021. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. About work experience and responsibilities
  • Q2. Why you are leaving to present job

Interview Preparation Tips

Interview preparation tips for other job seekers - Maintain your confidence level, give suitable answer if you know otherwise say sorry and move to next question....

I applied via Naukri.com and was interviewed in Mar 2021. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. What are your roles in your current job
  • Ans. Explaned about my roles and responsibilities
  • Answered Anonymously
  • Q2. How do you tackle vibrations in axial fans
  • Ans. 

    To tackle vibrations in axial fans, proper balancing, alignment, and maintenance are essential.

    • Perform dynamic balancing of the fan blades to minimize vibrations.

    • Ensure proper alignment of the fan with the motor and the surrounding structure.

    • Regularly inspect and maintain the fan components to prevent wear and tear.

    • Use vibration analysis techniques to identify and address any potential issues.

    • Consider installing vibrat...

  • Answered by AI
  • Q3. What are the challenges you faced your job
  • Ans. Explained about our ID fan hydro coupling issue
  • Answered Anonymously
  • Q4. What permit system do you follow
  • Ans. 

    We follow a permit system based on the project requirements and local regulations.

    • Our permit system ensures compliance with safety standards and legal requirements.

    • We obtain permits for activities such as construction, electrical work, and hazardous material handling.

    • The specific permit requirements vary depending on the nature of the project and the location.

    • We work closely with regulatory authorities to ensure timely...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Know the constraints in your answer so that interviewer not go further into particular topic
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Newspaper Ad and was interviewed before Oct 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. I was asked to make a presentation on laser technology.
Round 3 - Aptitude Test 

Knowledge of the English language, its vocabulary and comprehension. Ability to solve basic mathematical problem, which shows the capacity to use an analytical approach to everyday puzzles.

Interview Preparation Tips

Interview preparation tips for other job seekers - One needs to present a bright visage. Then, you have to open minded towards the solutions to problems, instead of being dogmatic.

I was interviewed in Jun 2016.

Interview Preparation Tips

Round: Resume Shortlist
Experience: The College had sent the marks details of students who had greater than 70% or equivalent marks in graduation also with secondary and higher secondary marks to the Company. Then they shortlisted 27 people out of 69 eligible students from the batch of total 84 students considering as per Indian reservation as it is a Govt. Company. 10-Gen, 7-OBC, 10-(SC+ST)
Tips: Make sure your CGPA high. They shortlists very few students usually less than 15.

Round: Technical + HR Interview
Experience: The Interview was of around 20 minutes. They started with asking about hobbies and activities first that I had mentioned in my CV. It made the environment cool and calm a bit. Make sure you have written the contents in your CV honestly. A small hide and seek can make you out of the race. Then they slowly moved towards core Electrical Engineering questions mostly from Power System. All were the basics and didn't need any rocket science. Viz
1. Why We transmit Power at High Voltages?
2. What is Surge Impedance Loading?
3. What is Corona loss? Why we send Power at High voltages even when it increases the Corona loss?
4. About Compensators of the line.
5. What are the advantages of single frequency of the grid throughout the country?
6. Buchholz relay?
After then they moved towards Internships and Projects. They asked about Indian Electricity market, Developments in Indian Electricity, No.of Grids in India, Open Access, Power Exchanges of India etc. that were my Internship topics at Power System Operation Corporation Limited(POSOCO). Then they asked some light Questions from my College Project like what are the benefits of this project. What are Global warming and the Carbon taxes.
They selected total 5 students out of 27 (2+2+1)

Tips: Keep a Smile on the face. Speak anything that you are confident about else say I don't know about it. Don't be seems like you are in a dire need of this job or you beg for it. Go and show that you are deserving and earn it.

Skills: Internship Experience, Internship Work, Project And Training, Leadership Skills, Honesty, Knowledge In Core Topics
College Name: NIT Agartala

Railtel Corporation Of India Interview FAQs

How many rounds are there in Railtel Corporation Of India Wifi Network Engineer interview?
Railtel Corporation Of India interview process usually has 2 rounds. The most common rounds in the Railtel Corporation Of India interview process are HR and Technical.
What are the top questions asked in Railtel Corporation Of India Wifi Network Engineer interview?

Some of the top questions asked at the Railtel Corporation Of India Wifi Network Engineer interview -

  1. Is any experience in w...read more
  2. What is osi la...read more
  3. Only basic quest...read more

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Railtel Corporation Of India Wifi Network Engineer Interview Process

based on 1 interview

Interview experience

4
  
Good
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