Cisco Software Developer interview questions

The interview process consisted of 4 rounds. Round 1: Aptitude + c + Electronics + networking(MCQs No negative marking) The aptitude questions had a good mix of probability, speed and time, numbers, time and work etc. Question on digital electronics,8085 instruction ,transistor, Round 2: Technical Interview (1hr) Asked a designing problem and some data structure ,networking problem Round 3: Technical Interview (50 minutes) technical question on networking,data structure,os. Round 4: HR Interview Here your communication skills will be put to test.Normal hr question like biggest achievement,what do you want to change in yourself,why cisco etc.