Visa Lead Network Engineer Interview Questions and Answers

Used Hackerrank to go over basic python fundamentals with a deeper look at data structures and how you can scale

Q1. Describe the VXLAN fabricand understand the under/overlay principles
Ans. 
VXLAN fabric is a virtualized network overlay technology that enables the extension of Layer 2 networks over Layer 3 networks.
• VXLAN stands for Virtual Extensible LAN

• It uses a 24-bit VNID (VXLAN Network Identifier) to uniquely identify each virtual network

• VXLAN encapsulates Layer 2 Ethernet frames within Layer 3 UDP packets for transmission across the network

• Underlay network provides the physical connectivity between VX...read more
Answered by AI
Add your answer