Cognizant interview questions

It lasted around 30 minutes, they asked a few technical questions on computer core topics. Made me write sql queries, and coding questions on string handling etc Then most of the questions were on the core topics so read it well Make sure to answer everything with confidence

The first round was the communication assessment round, followed by hackathon that lasted for 4 days and there were 15 teams and each team had 8 members , where we had to build a project in that times span, after which there was an offline presentation where each member had to present as a team