JIO CAREERS IS HIRING : GRADUATE ENGINEER TRAINEE

Don’t miss out, CLICK HERE (to apply before the link expires)

Interview Questions and Answers for Graduate Engineer Trainee Role

1. What do you know about 4G, 3G, and 2G networks?

Answer:
4G, 3G, and 2G are different generations of mobile network technology.

• 2G is the second generation, mainly used for voice and SMS services.

• 3G introduced better internet speed and video calling.

• 4G gives much faster internet and better video streaming and downloads.
  These networks help in communication and data transfer. In this job, knowing how they work is important for supporting global roaming.

2. What is network deployment?

Answer:
Network deployment means setting up and launching a mobile or internet network. It includes planning, installing devices like routers, towers, and switches, and testing to make sure the network works properly. Engineers also ensure there is good coverage and performance for users.

3. What is global roaming and how does it work?

Answer:
Global roaming allows people to use their mobile phones in other countries. It works by connecting your home network to a foreign network. Important parts include authentication (checking your identity), authorization (allowing you to access the network), billing, and performance monitoring. Engineers help make this process smooth and without interruptions.

4. Why do you want to work as a Graduate Engineer Trainee in this company?

Answer:
I want to start my career in a strong company where I can learn and grow. This role gives me a chance to work on real network technologies like 4G and 5G. I’m excited to apply my technical knowledge and improve my skills in a professional environment.

5. Explain a time when you worked in a team to solve a problem.

Answer:
In my final year project, I worked with 3 teammates to build a network monitoring system. We had some challenges with code errors and performance. We divided tasks based on strengths, had regular discussions, and tested everything properly. In the end, our project worked well and was appreciated by our teacher.

6. What are your strengths that will help in this role?

Answer:
I am good at problem-solving and communication. I can understand technical issues and find solutions quickly. I also work well in teams and always complete tasks on time. These skills are important for supporting network design and troubleshooting.

7. How would you handle a network issue during peak time?

Answer:
First, I would analyze the logs and performance data to find the issue. I would check for any failures or overloads in the network. Then I would inform the senior team and follow the proper steps to fix the issue quickly. If needed, I would communicate clearly with users or customers to keep them informed.

8. What is provisioning in telecom?

Answer:
Provisioning means setting up services for the user. In telecom, it includes activating the SIM card, allowing access to internet, voice, or roaming services, and ensuring billing is correct. It is an important part of customer experience.

9. What tools or skills are useful for a telecom engineer?

Answer:
Some useful tools and skills are:

• Knowledge of protocols like TCP/IP

• Basics of routing and switching

• Using tools like Wireshark, NetSim

• Understanding of performance monitoring systems

• Good analytical and troubleshooting skills

10. Are you ready to work in Mumbai or relocate?

Answer:
Yes, I am ready to work in Mumbai or relocate if needed. I believe this opportunity is valuable for my career growth, and I’m flexible with location.

Note:

• Mention in your job application if you’re an immediate joiner.

• Make sure your resume highlights your final year projects, internship (if any), and technical skills.