Bharti Airtel Core Engineering Interview Questions and Answers

Q1. Parameter & Lte question
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Q2. RF KPI & Drop Call
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Q1. Be honest with your years of experience. All information you share will be verified at the time of joining.
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Second round is aptitude test

Q1. Tel me about your company and introduce yourself
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Questions about networking and English

Q1. Questions about technical knowledge of network
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Q2. What is arp? What is HSRP? WHAT IS GLBP? WHAT IS NAT
Ans. 
ARP is a protocol used to map an IP address to a physical MAC address on a local network.
• ARP stands for Address Resolution Protocol.

• It operates at the Data Link Layer of the OSI model.

• ARP is used to resolve IP addresses to MAC addresses.

• It is essential for communication between devices on the same network.

• ARP requests are broadcasted to all devices on the network.

• Example: When a computer wants to send data to another d...read more
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Q1. Why nokia and why this job
Ans. 
Nokia is a global leader in telecommunications technology and I am passionate about RF engineering, making this job a perfect fit for me.
• Nokia is a renowned company with a strong reputation in the telecommunications industry

• I have a deep interest in RF engineering and Nokia offers opportunities to work on cutting-edge technologies in this field

• The company's commitment to innovation and continuous learning aligns with m
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Q2. Some basic fundamental questions from theory
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Q1. Different n/w layers
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Different network layers include physical, data link, network, transport, session, presentation, and application layers.
• Physical layer: responsible for transmitting raw bits over a communication channel

• Data link layer: responsible for error-free transfer of data between nodes on a network

• Network layer: responsible for routing data packets between networks

• Transport layer: responsible for reliable data transfer between a...read more
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Q1. Firewall works on what layers
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Firewall works on multiple layers of OSI model
• Firewall operates on layers 3 (network layer) and 4 (transport layer) of the OSI model

• It can filter traffic based on IP addresses, ports, protocols, and other criteria

• Firewalls can also perform deep packet inspection to detect and block malicious traffic

• Examples of firewall software include Cisco ASA, pfSense, and Windows Firewall
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Q1. Tell about yourself, day to day work, lte call flow with interface and protocol, diameter protocol,default bearer, dedicated bearer, Gbr and Non Gbr, qci, pgw-sgw selection, modify bearer, Apn, Dns, tai, p...read more
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Q1. All the technical things comes under It procurement
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Q2. Sap P2p process mostly
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Q3. How u wil download po copy
Ans. 
To download a PO copy, you can typically access the procurement system and locate the specific purchase order to download as a PDF or other file format.
• Access the procurement system where the purchase order is stored

• Locate the specific purchase order you want to download

• Look for an option to download the PO copy as a PDF or other file format
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Q4. How to raise ses
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To raise SES, focus on education, career advancement, networking, and community involvement.
• Invest in further education or certifications to improve qualifications.

• Seek out opportunities for career advancement within the organization or externally.

• Build a strong professional network through networking events, conferences, and social media.

• Get involved in community organizations or volunteer work to demonstrate leadersh
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Q5. What is p2p process
Ans. 
P2P process refers to peer-to-peer process, where two or more computers are connected and share resources without the need for a central server.
• Decentralized network where each computer can act as both a client and a server

• Allows for direct communication and file sharing between users

• Commonly used in file sharing applications like BitTorrent and cryptocurrency transactions like Bitcoin
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Q1. Antenna basics and its parameters.
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Q2. How to design an array antenna.
Ans. 
Array antennas are designed by arranging multiple antenna elements in a specific configuration to achieve desired radiation pattern and performance.
• Determine the desired radiation pattern and performance requirements

• Select the type of array configuration (linear, planar, conformal, etc.)

• Calculate the spacing between antenna elements based on wavelength and array factor

• Design feeding network to properly feed each antenn...read more
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Q1. What is your previous work?
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Q2. Base on the previous works, basics questions have been asked/
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