Avaya R D interview questions

There were 4 rounds First round was apti consisting of 50 questions ( 20 quant+30 c programming ) which was easy. Then next two rounds were technical basically focusing on networks, data structures, algorithm design, they dig deep into the subjects. Panelists were good. 4th round was he round asking the same basic questions why our company, tell me about yourself, plans for higher studies etc....