Cognizant interview questions

The interview was good, The interviewer was very calm, It was around 20 min of interview. He asked basic questions on C/C++, No data structures and algorithms were asked. He also asked a few questions on electronics and I was from electronics background

forst we need to complete 2 rounds one is communication and technical round where we have py/java/c# and sql and the interiew comes, below are the questions that were asked to me 1) Tell me about Yourself 2) sql: given a schema, print the required output 3) cloud computing: saas, paas, iaas [basics] 4) python coding: find the prime no, find the longest string(word) in a sentence, palindrome(strings)