Airtel DTH Services Senior Executive Engineer Interview Questions and Answers

L2VPN stands for Layer 2 Virtual Private Network, which allows for the extension of a local area network (LAN) over a wide area network (WAN).

• L2VPN operates at the data link layer (Layer 2) of the OSI model.

• It enables the transparent transfer of Ethernet frames between sites.

• L2VPN can be implemented using technologies such as Virtual Private LAN Service (VPLS) or Ethernet over MPLS (EoMPLS).

• It provides secure and priva...read more

L3VPN is a technology that allows multiple customers to use the same provider's network, while keeping their traffic separate.

• L3VPN uses MPLS to create virtual private networks for different customers on a shared network infrastructure.

• Each customer's traffic is kept separate using VPN routing and forwarding tables.

• L3VPN provides secure and efficient communication between different sites of a customer's network.

• It allo...read more

I have extensive experience working with optical fibre in the field, including installation, maintenance, and troubleshooting.

• Installed optical fibre cables in various environments such as residential buildings, commercial offices, and data centers

• Performed regular maintenance checks to ensure optimal performance of optical fibre networks

• Troubleshooted and resolved issues related to signal loss, connectivity problems, ...read more

L2VPN stands for Layer 2 Virtual Private Network, which allows for the extension of a local area network (LAN) over a wide area network (WAN).

• L2VPN operates at the data link layer (Layer 2) of the OSI model.

• It enables the transparent transfer of Ethernet frames between sites.

• L2VPN can be implemented using technologies such as Virtual Private LAN Service (VPLS) or Ethernet over MPLS (EoMPLS).

• It provides secure and priva...read more

L3VPN is a technology that allows multiple customers to use the same provider's network, while keeping their traffic separate.

• L3VPN uses MPLS to create virtual private networks for different customers on a shared network infrastructure.

• Each customer's traffic is kept separate using VPN routing and forwarding tables.

• L3VPN provides secure and efficient communication between different sites of a customer's network.

• It allo...read more

Fiber is a type of carbohydrate that the body can't digest. It helps regulate digestion and prevent constipation.

• Fiber is found in plant-based foods like fruits, vegetables, whole grains, nuts, and seeds.

• There are two types of fiber - soluble fiber, which dissolves in water and helps lower cholesterol and blood sugar levels, and insoluble fiber, which adds bulk to the stool and helps prevent constipation.

• Benefits of fi...read more