Salesforce Software Intern interview questions

It consisted of consecutive rounds, which had leetcode medium-easy level questions, oops,DBMS, OS and system design. They ghosted me on campus, without providing a proper reason for rejecting me, after they had promised to continue further rounds the next day.

I was asked questions on basic software questions and some security principles I learnt in college. My interview was more concentrated on security aspect, as my focus was more towards cryptography. Initial phone interview was simple and took about 20 mins. Just personal questions and basics and projects were discussed. The second interview was more technical and I was asked pretty tough questions. I couldnt make it through.