Cisco Software Developer interview questions

Had one round of aptitude test which had MCQs on C, Java. Next two rounds consisted on questions on OS, networking and some puzzles and coding questions. Last round was the HR round.

Got interview call from Company HR directly. Interview date and time were fixed during the call. It was a totally F2F discussion process for 4 rounds in total- excluding HR discussion Moderate level, specific to requirement. It was a one day process.However the final approval and release of offer took more than a week.