I applied in-person. The process took 2 weeks. I interviewed at Aircel (Gurgaon, Haryana) in Sept 2021
Interview
It was good and easy. Majorly asked questions related to switch configuration and router configuration including some for firewall. STP, 7 LAYERS, MPLS, BGP, ROUTING PROTOCOLS. Go through overall network schema and mapping
Interview questions [1]
Question 1
How to connect two network on different subnet using routing protocols