UKG

Round 1: technical round(DSA ) Introduction, then he asked me the tree topic basic traversals inorder,preorder,postorder and then asked me the follow up without giving a hint just framing question as like given on leetcode serialize deserialize of a binary tree , so I suddenly strike with the question name and explain the approach , then some DBMS questions and why Nosql? Then a simple puzzle of gfg something like pole and rope(vague description of puzzle). Round 2: Simple striver sheet array question segragate 0 and 1 from array all approaches Then palindrome in linked list all approaches Then some os question on race condition and process synchronization, and then multi threading and then DBMS why normalization , anamolies that normalization solves and what is 3NF. Round 3:Techno-manegerial round Asked me about my project architecture and then OSI protocol stack, then calloc malloc for dynamic memory allocation and then asked me how would I deal with a situation where my colleague and I had some conflict(I mistaken here I said , I will disagree that's one of the reason of rejection).Then he asked me about my favourite subject and then I choose DBMS then he asked me 4NF which I couldn't explain in detail. HR: He asked me about introduction, saw my GitHub,leetcode, asked about my family,and then asked about company and its vision and mission and then asked some customers of UKG that was shown in PPT in the morning which I couldn't remember I could only say 3 of them and he asked me 5 . As earlier I said I am very active person so he asked me this to test I was active in PPT or not? So manegerial and hr round was not that great in my case so got rejected out . Till last round there were 9 candidates left and I was the only one who got rejected.