Bharti Airtel Network Security Engineer Interview Questions and Answers

Q1. Related to the optical fibre cable
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Q2. OTDR traces
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A test that measures your ability to succeed at something

Q1. Hard work, dedication, potential,
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Q2. Master mind for the ofc work
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The mastermind for the office work is someone who is highly skilled, organized, and able to effectively manage and coordinate various tasks and projects.
• Strong technical skills in networking and IT infrastructure

• Excellent problem-solving abilities

• Effective communication and teamwork skills

• Ability to prioritize and multitask

• Experience with project management tools and software

• Examples: Cisco Certified Network Profession...read more
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Team work any planning work discussed our team for clearing our work and complete our task

Q1. Tell mee about yourself
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Q2. What is networking
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Q1. What is IPRAN solution
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IPRAN solution stands for Internet Protocol Radio Access Network, which is a network architecture that combines IP/MPLS and mobile technologies.
• IPRAN solution is used to provide high-speed internet access to mobile users.

• It helps in optimizing network resources and improving network performance.

• Examples of IPRAN solution providers include Cisco, Huawei, and Juniper Networks.
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Q2. What is the different types of L2VPN we have
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Different types of L2VPN include Ethernet VPN (EVPN), Virtual Private LAN Service (VPLS), and Layer 2 Tunneling Protocol (L2TP).
• Ethernet VPN (EVPN) - Uses BGP as the control plane protocol for distributing MAC addresses across the network.

• Virtual Private LAN Service (VPLS) - Extends a LAN over the network, allowing multiple sites to appear as if they are on the same LAN segment.

• Layer 2 Tunneling Protocol (L2TP) - Creat...read more
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Q1. Volte call flow
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Q1. -tell us about yourself
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Q2. -what experience do u have as a network engineer
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Q3. What do you know about Huawei
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Q4. What is MPLS protocol and in what situations do we use it
Ans. 
MPLS (Multiprotocol Label Switching) is a protocol used in high-performance telecommunications networks to direct data packets along predefined paths.
• MPLS is used to improve network performance by efficiently routing data packets based on labels instead of IP addresses.

• It is commonly used in scenarios where quality of service (QoS) and traffic engineering are important, such as in large enterprise networks or service p...read more
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Q5. Explain the three different INTER_AS solutions their advantages and disadvantages
Ans. 
Three different INTER_AS solutions and their advantages and disadvantages
• Option 1: Option A - Advantages: Scalability, Disadvantages: Complexity

• Option 2: Option B - Advantages: Simplicity, Disadvantages: Limited scalability

• Option 3: Option C - Advantages: Flexibility, Disadvantages: Potential security risks
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It contains logical reasoning, quantitative aptitude, and technical questions

Q1. Technical questions based on networks
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Q1. Questions were based on wireless Communication
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Q1. Introduce yourself. Describe your projects on which you worked. Technical questions like GSM architecture, OSI model, TCP-IP model
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Q2. Digital communication techniques such as TDMA,CDMA,FDMA,PCM, sampling , quantisation as well as basic of amplitude modulation
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Q3. Some basics of antennas, types of antennas , basics of electro magnetic wave propogation.
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Q1. Give a brief introduction of yourself and one technical question on sampling technique.
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