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Vedang Cellular Services

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Vedang Cellular Services Dwdm NOC Engineer Interview Questions and Answers

Updated 9 May 2022

Vedang Cellular Services Dwdm NOC Engineer Interview Experiences

1 interview found

Dwdm NOC Engineer Interview Questions & Answers

user image Anonymous

posted on 9 May 2022

I applied via Referral and was interviewed in Nov 2021. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Explain in brief DWDM signal flow ?
  • Ans. 

    DWDM signal flow involves transmitting data over multiple wavelengths of light through optical fibers.

    • DWDM signal flow starts with data being converted into electrical signals.

    • The electrical signals are then converted into optical signals using a transmitter.

    • The optical signals are then multiplexed together, combining multiple wavelengths onto a single fiber.

    • The multiplexed signals are transmitted over long distances t...

    • Answered by AI
    View 1 more answer
  • Q2. How many types of amplifiers using in DWDM?
  • Ans. 

    There are three types of amplifiers used in DWDM: erbium-doped fiber amplifiers (EDFAs), Raman amplifiers, and semiconductor optical amplifiers (SOAs).

    • Erbium-doped fiber amplifiers (EDFAs) are the most commonly used amplifiers in DWDM systems.

    • Raman amplifiers use stimulated Raman scattering to amplify the signal.

    • Semiconductor optical amplifiers (SOAs) are compact and can be integrated into other optical components.

    • Othe...

    • Answered by AI
    View 1 more answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well about DWDM topics OTN, FEC

Skills evaluated in this interview

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Interview Tips & Stories
1d (edited)
timepasstiwari
·
A Digital Markter
Got Rejected In an Interview, Just Because I Didn’t Answer a Personal Question
So, I got invited for this interview, and they told me to be there at 9 AM. Of course, I get there early, like 8:30, because I don't want to be late. But then I end up waiting for 1.5 hours. Seriously, they didn't even acknowledge me until 10. Then this HR lady calls me in, and she's totally unprofessional. She's like, on her phone, making personal calls while I'm sitting right there. And then she starts asking me these really weird questions, like what my nickname is, and what my dad does for a living. It got really uncomfortable when she started pressing for details about where my dad works. I mean, what does that have to do with anything? So I politely told her I didn't want to answer, and she actually said, "Then we can't continue this interview." I was honestly shocked. But instead of arguing, I just stood up and said, “Alright then.” And walked out. I left feeling pissed. Not only did they waste an hour of my time, but the HR rep was also rude and unprofessional..
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Interview questions from similar companies

Senior Engineer Interview Questions & Answers

HFCL Limited user image Anonymous

posted on 7 Jan 2023

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Jan 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Linux related questions, basics to moderate file system installation commands
    • Add your answer
Round 3 - HR 

(1 Question)

  • Q1. Salary discuss , joining process,
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Do basics of core field , you will get a lot of time to understand the things

Senior Engineer Interview Questions & Answers

HFCL Limited user image Anonymous

posted on 29 Oct 2022

I applied via LinkedIn and was interviewed before Oct 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Tell me about your experience? Technical, non technical,
    • Add your answer
  • Q2. Which department you have worked, designation, Technical Skills?
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep trying to get a dream job and keep learning new things always 👍

Senior Engineer Interview Questions & Answers

HFCL Limited user image Anonymous

posted on 9 Feb 2022

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - HR 

(4 Questions)

  • Q1. What are your salary expectations?
    • Add your answer
  • Q2. Share details of your previous job.
    • Add your answer
  • Q3. Why are you looking for a change?
    • Add your answer
  • Q4. Tell me about yourself.
    • Add your answer
Round 3 - Technical 

(1 Question)

  • Q1. Basic Questions on routing, switching, OSI layer especially L1 L2 L3 layers
    • Add your answer
Round 4 - HR 

Senior Engineer Interview Questions & Answers

HFCL Limited user image Anonymous

posted on 7 Jan 2023

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in May 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Do not use an unprofessional email address such as cool_boy@email.com. It shows a lack of professionalism by the candidate.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Linux related questions, basics to moderate file system installation commands
    • Add your answer
Round 3 - HR 

(1 Question)

  • Q1. Salary discuss , joining process,
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Do basics of core field , you will get a lot of time to understand the things

Senior Engineer Interview Questions & Answers

HFCL Limited user image Anonymous

posted on 28 Sep 2023

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

I applied via Walk-in and was interviewed before Sep 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Be truthful in your resume. It is very easy to catch false or lies during the interview by asking basic questions.
View all tips
Round 2 - Aptitude Test 

Switching and Routing part in Networking and about Telecom

Round 3 - Technical 

(1 Question)

  • Q1. Switching and Routing
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Now i am working in HFCL for IPMPLS Project

Senior Engineer Interview Questions & Answers

Tata Communications Transformation Services user image Anonymous

posted on 28 Sep 2023

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

I was interviewed before Sep 2022.

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 - HR 

(1 Question)

  • Q1. Profile discussion, job designation discussion, further opportunities discussion
    • Add your answer
Round 3 - Technical 

(1 Question)

  • Q1. Network engineering questions Spectrum analyser, ITSM tool knowledge, hfc engineering network questions like network outage locating issue and isolating it.
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Be practical to what you know speak it confidentially. Be clear what you are speaking, show some good value of confidence.
Good organisation for long term working.

Senior Engineer Interview Questions & Answers

HFCL Limited user image Anonymous

posted on 23 Dec 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is function of OSPF?
    • Add your answer
  • Q2. What is the UBR?
    • Add your answer

Senior Engineer Interview Questions & Answers

HFCL Limited user image Gurdev Singh

posted on 26 Jun 2022

I applied via Naukri.com and was interviewed before Jun 2021. There were 2 interview rounds.

Round 1 - Assignment 

Fibre optic network & router network configuration

Round 2 - Technical 

(1 Question)

  • Q1. Communication skills in fibre optic network
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Always good looking but work done with smiles

Senior Engineer Interview Questions & Answers

Tata Communications Transformation Services user image Anonymous

posted on 27 Nov 2023

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

I applied via Naukri.com and was interviewed before Nov 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 - Group Discussion 

Discussing about troubleshooting process in NOC.

Round 3 - Technical 

(1 Question)

  • Q1. GPON, DWDM, Switch.
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare for GPON,DWDM,Cisco Router & Switches.
More about working at Vedang Cellular Services

Vedang Cellular Services Interview FAQs

How many rounds are there in Vedang Cellular Services Dwdm NOC Engineer interview?
Vedang Cellular Services interview process usually has 1 rounds. The most common rounds in the Vedang Cellular Services interview process are Technical.
What are the top questions asked in Vedang Cellular Services Dwdm NOC Engineer interview?

Some of the top questions asked at the Vedang Cellular Services Dwdm NOC Engineer interview -

  1. How many types of amplifiers using in DW...read more
  2. Explain in brief DWDM signal flo...read more

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