Cisco Software Developer interview questions

Cisco came to our college.. - There was a written test of around 1-1.5 hrs. Questions were on Aptitude, Quant, Data Structures, C Programmng, Microprocessors, Communication Networks, Embedded Systems, Some semiconductor details were also asked. No negative marking . - 20-30 students were shortlisted for interview. Interview Questions were : He gave me a C Code and asked me to find errors in it Errors were due to passing by value and passing by reference types of args to functions.. - Difference between RISC and CISC type of architectures... - Nyquist Sampling theorem - Shannon's 2nd channel source coding theorem. - Principles of CDMA operation/ encoding formulas etc. - Questions related to Network layer in OSI Model. (IP DataGram etc.) - Questions Related to Ethernet address and Broadcast routing. - Questions related to domain name and DNS servers, NAT,DHCP etc..

number of intervies 1 written 2 technical and then technical and hr interview.interviewers were cool and supportive