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Bharti Airtel Network Engineer Interview Questions and Answers

Updated 6 Jun 2025

27 Interview questions

A Network Engineer was asked 3mo ago
Q. What is your definition of culture?
Ans. 

Culture is the shared values, beliefs, and practices that shape a group's identity and influence behavior.

  • Culture encompasses language, traditions, and customs, such as how holidays are celebrated.

  • It influences social norms, like greetings or dining etiquette, varying from one culture to another.

  • Art, music, and literature are expressions of culture, reflecting the history and values of a community.

  • Workplace cultur...

A Network Engineer was asked 4mo ago
Q. What are the TCP and IP protocols, and how do they relate to the OSI model?
Ans. 

TCP and IP are fundamental protocols in computer networking. They relate to the OSI model by defining the rules for communication.

  • TCP (Transmission Control Protocol) is responsible for establishing and maintaining a connection between two devices, ensuring data is reliably transmitted.

  • IP (Internet Protocol) is responsible for addressing and routing packets of data across networks.

  • TCP and IP together form the basis...

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A Network Engineer was asked 4mo ago
Q. What are the different classes of IP addresses?
Ans. 

IP addresses are divided into classes based on the first octet, with each class having a specific range of addresses.

  • Class A: 1.0.0.0 to 126.0.0.0 (ex. 10.0.0.0)

  • Class B: 128.0.0.0 to 191.255.0.0 (ex. 172.16.0.0)

  • Class C: 192.0.0.0 to 223.255.255.0 (ex. 192.168.0.0)

  • Class D: 224.0.0.0 to 239.255.255.255 (reserved for multicast)

  • Class E: 240.0.0.0 to 255.255.255.255 (reserved for future use)

A Network Engineer was asked 5mo ago
Q. What about networking?
Ans. 

Networks are essential for communication between devices, allowing data to be shared and accessed.

  • Networks consist of interconnected devices such as computers, servers, routers, and switches.

  • Data is transmitted across networks using protocols like TCP/IP.

  • Network engineers design, implement, and maintain network infrastructures to ensure reliable communication.

  • Examples of network technologies include Ethernet, Wi-F...

A Network Engineer was asked 9mo ago
Q. Briefly explain how TCP/IP works.
Ans. 

TCP/IP is a set of protocols used for communication between devices on a network.

  • TCP (Transmission Control Protocol) ensures reliable data delivery.

  • IP (Internet Protocol) handles addressing and routing of data packets.

  • TCP/IP is the foundation of the internet and allows devices to communicate with each other.

  • Examples of TCP/IP applications include web browsing, email, and file transfer.

A Network Engineer was asked 10mo ago
Q. What are the different types of network topologies?
Ans. 

Network topology refers to the layout of a network and how different devices are connected.

  • Network topology defines how devices are arranged and connected in a network

  • Common network topologies include bus, star, ring, mesh, and hybrid

  • Each topology has its own advantages and disadvantages

  • Examples: Bus topology - all devices connected to a single cable; Star topology - all devices connected to a central hub

A Network Engineer was asked
Q. What is Virtualization?
Ans. 

Virtualization is the process of creating a virtual version of a device or resource, such as a server, storage device, network or operating system.

  • Virtualization allows multiple virtual instances to run on a single physical machine

  • It helps in optimizing resources and improving efficiency

  • Examples include VMware for server virtualization, VirtualBox for desktop virtualization

Are these interview questions helpful?
A Network Engineer was asked
Q. Can you briefly explain Network Non Stop in 8 minutes?
Ans. 

Network Non Stop is a feature that allows for continuous network operation without interruption.

  • Network Non Stop ensures uninterrupted network operation during maintenance or upgrades.

  • It allows for seamless failover and redundancy to prevent downtime.

  • Examples include Cisco Nonstop Forwarding (NSF) and Virtual Router Redundancy Protocol (VRRP).

A Network Engineer was asked
Q. Explain Ready For Service (RFS) in networking.
Ans. 

RFS ready for service refers to the status of a network element or service that is ready to be used by end-users.

  • RFS is a term commonly used in telecommunications and networking industries

  • It indicates that a network element or service has been tested and is ready for use by end-users

  • RFS is often used in the context of new installations or upgrades

  • For example, when a new cell tower is installed, it is not considere...

A Network Engineer was asked
Q. Node insertion for Eci node
Ans. 

Node insertion for Eci node

  • Node insertion involves physically installing a new node into the network

  • For Eci nodes, the process may involve configuring the node's IP address and connecting it to the network

  • Proper documentation and testing should be done before and after node insertion

Bharti Airtel Network Engineer Interview Experiences

27 interviews found

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Assessment 

(2 Questions)

  • Q1. Network architecture
  • Q2. LAN TECHNOLOGY in detail
  • Ans. 

    LAN technology refers to the methods and protocols used to create local area networks for connecting devices within a limited geographical area.

    • LAN technology includes Ethernet, Wi-Fi, and Token Ring.

    • Ethernet is the most common LAN technology, using CSMA/CD for collision detection.

    • Wi-Fi uses wireless signals to connect devices within a LAN.

    • Token Ring is a less common LAN technology that uses a token-passing protocol.

    • LA...

  • Answered by AI
Round 2 - Technical 

(7 Questions)

  • Q1. OSI MODEL and Layers
  • Q2. Router technique
  • Ans. 

    Router technique refers to the method used by a router to determine the best path for forwarding data packets.

    • Routing protocols like OSPF, EIGRP, and BGP are used to determine the best path for data packets

    • Static routing involves manually configuring the routes on the router

    • Dynamic routing allows routers to communicate with each other to determine the best path

    • Packet switching is used by routers to forward data packets...

  • Answered by AI
  • Q3. OSI Model layer functionality
  • Ans. 

    The OSI Model defines the functions of each layer in a network communication system.

    • Physical layer - transmits raw data bits over a physical medium

    • Data link layer - provides error detection and correction, and organizes data into frames

    • Network layer - routes data packets between different networks

    • Transport layer - ensures reliable data delivery and manages end-to-end communication

    • Session layer - establishes, maintains,...

  • Answered by AI
  • Q4. Routing Technology
  • Q5. TCP IP MODEL in detail
  • Ans. 

    TCP/IP model is a conceptual framework used for understanding networking protocols.

    • Consists of four layers: Application, Transport, Internet, Link

    • Each layer has specific functions and protocols

    • Data is encapsulated and decapsulated as it moves through the layers

    • Example: HTTP operates at the Application layer, TCP at the Transport layer

  • Answered by AI
  • Q6. FTTH technology
  • Q7. Network Troubleshooting
Round 3 - HR 

(3 Questions)

  • Q1. Introduce yourself
  • Q2. Question about last job profile
  • Q3. Salary excepted

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I applied via Job Portal

Round 1 - One-on-one 

(2 Questions)

  • Q1. Good job bahut achcha hao
  • Q2. Good job bahut achcha h

Interview Preparation Tips

Interview preparation tips for other job seekers - Good job bahut achcha ha
Interview experience
4
Good
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected
Round 1 - Technical 

(2 Questions)

  • Q1. Wha about network
  • Ans. 

    Networks are essential for communication between devices, allowing data to be shared and accessed.

    • Networks consist of interconnected devices such as computers, servers, routers, and switches.

    • Data is transmitted across networks using protocols like TCP/IP.

    • Network engineers design, implement, and maintain network infrastructures to ensure reliable communication.

    • Examples of network technologies include Ethernet, Wi-Fi, an...

  • Answered by AI
  • Q2. What about OSI model
  • Ans. 

    The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.

    • The OSI model stands for Open Systems Interconnection model.

    • It helps in understanding how data is transferred over a network.

    • Each layer has specific functions and communicates with adjacent layers.

    • Examples of layers include physical layer, data link layer, network layer, transport layer, ...

  • Answered by AI
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Aug 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

Aptitude test ,game round was asked

Round 2 - Technical 

(1 Question)

  • Q1. What are network topology
  • Ans. 

    Network topology refers to the layout of a network and how different devices are connected.

    • Network topology defines how devices are arranged and connected in a network

    • Common network topologies include bus, star, ring, mesh, and hybrid

    • Each topology has its own advantages and disadvantages

    • Examples: Bus topology - all devices connected to a single cable; Star topology - all devices connected to a central hub

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Your strength and weakness
  • Ans. 

    Strength: Strong problem-solving skills. Weakness: Sometimes too detail-oriented.

    • Strength: Ability to troubleshoot complex network issues efficiently

    • Strength: Strong understanding of network protocols and technologies

    • Weakness: Tendency to get caught up in minor details, potentially slowing down progress

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well

Skills evaluated in this interview

Network Engineer Interview Questions & Answers

user image Er. vivek kumar

posted on 6 Jun 2025

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
  • Q1. BGP Protocol must prepared
  • Q2. MPLS should be prepared
  • Q3. Osi Model and TCP/ UDP
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Walk-in

Round 1 - One-on-one 

(1 Question)

  • Q1. About OSPF & CCNA level
Round 2 - HR 

(1 Question)

  • Q1. Explain about your hobbies
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
  • Q1. What is your definition of culture?
  • Ans. 

    Culture is the shared values, beliefs, and practices that shape a group's identity and influence behavior.

    • Culture encompasses language, traditions, and customs, such as how holidays are celebrated.

    • It influences social norms, like greetings or dining etiquette, varying from one culture to another.

    • Art, music, and literature are expressions of culture, reflecting the history and values of a community.

    • Workplace culture aff...

  • Answered by AI
  • Q2. Incriminating on behalf of
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Mar 2023. There were 4 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 - Aptitude Test 

Aptitude Test Verbal Ability test

Round 3 - Group Discussion 

Group Discussion of General Day to Day life activities

Round 4 - One-on-one 

(5 Questions)

  • Q1. One to one interview
  • Q2. Brief Network Non Stop in 8 min ?
  • Ans. 

    Network Non Stop is a feature that allows for continuous network operation without interruption.

    • Network Non Stop ensures uninterrupted network operation during maintenance or upgrades.

    • It allows for seamless failover and redundancy to prevent downtime.

    • Examples include Cisco Nonstop Forwarding (NSF) and Virtual Router Redundancy Protocol (VRRP).

  • Answered by AI
  • Q3. CCNA questions basic to.Advance
  • Q4. Network Operation
  • Q5. Network security
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Bgp attributes and ospf lsa
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Apr 2023. There were 3 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Concepts on network technology, cloud
  • Q2. What is Virtualization
  • Ans. 

    Virtualization is the process of creating a virtual version of a device or resource, such as a server, storage device, network or operating system.

    • Virtualization allows multiple virtual instances to run on a single physical machine

    • It helps in optimizing resources and improving efficiency

    • Examples include VMware for server virtualization, VirtualBox for desktop virtualization

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. IPSEC, Firewall
Round 3 - HR 

(1 Question)

  • Q1. Salary negotiations.

Skills evaluated in this interview

Top trending discussions

View All
Interview Tips & Stories
6d (edited)
a team lead
Why are women still asked such personal questions in interview?
I recently went for an interview… and honestly, m still trying to process what just happened. Instead of being asked about my skills, experience, or how I could add value to the company… the questions took a totally unexpected turn. The interviewer started asking things like When are you getting married? Are you engaged? And m sure, if I had said I was married, the next question would’ve been How long have you been married? What does my personal life have to do with the job m applying for? This is where I felt the gender discrimination hit hard. These types of questions are so casually thrown at women during interviews but are they ever asked to men? No one asks male candidates if they’re planning a wedding or how old their kids are. So why is it okay to ask women? Can we please stop normalising this kind of behaviour in interviews? Our careers shouldn’t be judged by our relationship status. Period.
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Bharti Airtel Interview FAQs

How many rounds are there in Bharti Airtel Network Engineer interview?
Bharti Airtel interview process usually has 2-3 rounds. The most common rounds in the Bharti Airtel interview process are Technical, HR and Resume Shortlist.
How to prepare for Bharti Airtel Network Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Bharti Airtel. The most common topics and skills that interviewers at Bharti Airtel expect are Networking, Bgp, OSPF, Switching and Troubleshooting.
What are the top questions asked in Bharti Airtel Network Engineer interview?

Some of the top questions asked at the Bharti Airtel Network Engineer interview -

  1. Study MPLS deeply: 1. What is MPLS ? 2. Purpose of MPLS ? 3. What is LDP and i...read more
  2. What is multiplexer and de multiplexe...read more
  3. What are the TCP and IP protocols, and how do they relate to the OSI mod...read more
What are the most common questions asked in Bharti Airtel Network Engineer HR round?

The most common HR questions asked in Bharti Airtel Network Engineer interview are -

  1. Where do you see yourself in 5 yea...read more
  2. Why are you looking for a chan...read more
  3. What is your family backgrou...read more
How long is the Bharti Airtel Network Engineer interview process?

The duration of Bharti Airtel Network Engineer interview process can vary, but typically it takes about less than 2 weeks to complete.

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Overall Interview Experience Rating

4/5

based on 31 interview experiences

Difficulty level

Easy 42%
Moderate 42%
Hard 17%

Duration

Less than 2 weeks 62%
2-4 weeks 15%
4-6 weeks 15%
More than 8 weeks 8%
View more
Bharti Airtel Network Engineer Salary
based on 1.5k salaries
₹2.2 L/yr - ₹6.9 L/yr
17% less than the average Network Engineer Salary in India
View more details

Bharti Airtel Network Engineer Reviews and Ratings

based on 270 reviews

3.8/5

Rating in categories

3.5

Skill development

3.4

Work-life balance

3.3

Salary

3.6

Job security

3.4

Company culture

3.0

Promotions

3.5

Work satisfaction

Explore 270 Reviews and Ratings
Network Engineer -II

Gurgaon / Gurugram

1-3 Yrs

₹ 2.4-5.6 LPA

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