Bharti Airtel NOC Network Engineer Interview Questions and Answers

4G architecture includes radio access network (RAN), core network, and user equipment (UE) with interfaces like S1, X2, and LTE-Uu.

• 4G architecture consists of Radio Access Network (RAN), Core Network, and User Equipment (UE)

• Interfaces used in 4G architecture include S1, X2, and LTE-Uu

• RAN connects UE to the core network, while X2 is used for communication between base stations

• LTE-Uu is the air interface between UE and b

PRB can be calculated by dividing the total available bandwidth by the bandwidth per PRB.

• Calculate total available bandwidth

• Determine the bandwidth per PRB

• Divide total available bandwidth by bandwidth per PRB to get the number of PRBs

I am open to any location that offers growth opportunities and a challenging work environment.

• Open to relocation for the right opportunity

• Prefer locations with strong networking infrastructure

• Interested in locations with tech hubs or opportunities for professional development

My current CCTC is $80,000 per year.

• Current CCTC is $80,000 per year

• CCTC may include salary, bonuses, benefits, etc.

• Negotiable based on experience and qualifications

Border Gateway Protocol

• BGP stands for Border Gateway Protocol

• It is a standardized exterior gateway protocol used to exchange routing information between different autonomous systems on the internet

• BGP helps in determining the best path for data to travel between networks

• It is commonly used by Internet Service Providers (ISPs) and large organizations to connect to multiple networks

• BGP operates on TCP port 179

Routers are networking devices that forward data packets between computer networks.

• Routers operate at the network layer of the OSI model

• They use routing tables to determine the best path for data packets

• Routers can connect different types of networks, such as LANs and WANs

Expected CTC (Cost to Company) for the position

• ECTC stands for Expected Cost to Company

• It includes salary, bonuses, benefits, and any other compensation offered by the employer

• Candidates should provide their expected salary range based on their experience and skills

I am a highly experienced Senior Network Engineer with a strong background in designing, implementing, and managing complex network infrastructures.

• Over 10 years of experience in network engineering

• Proficient in Cisco, Juniper, and Palo Alto technologies

• Skilled in network design, implementation, and troubleshooting

• Certified in CCNP and JNCIP

• Led successful network upgrade projects at previous companies

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.

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