Cisco Software Engineer IV interview questions

2 telephone rounds and 3 face to face followed by Sr. management and HR. face to face interview involves code writing on the board explaining design patterns and problem solving. the test online / code writing is complex and very time taking.

1) Aptitude test 2) Coding round 3) Networking round - 2 4) Interview with Manager 5) HR Coding round was for 2 hours. A laptop and problems were given. Problems were based on linklist reversal, quicksort, reducing the complexity of algorithm etc. Networking round tested on basics. What each network layer did and examples of protocol for each layer. Differences between a switch and a router etc