Cisco Security Engineer interview questions

I had 3 online calls. The recruiters were all technical, security engineer who knew what they did. First Round was Coding based, where I had to solve a coding problem on Google Docs within 30-45 minutes. After that, last 15 minutes was a bit technical question Second Round was whole Technical, very deep in security from low level binaries to cryptography Third Round was based on Resume, couple of behavioral and hard technical questions