1) What is the difference between trait and Java 8 default interfaces 2) what is functional interface 3) How the data store in typical RDBMS (B Tress) and why(balanced trees) 4) what is execution plan 5) In network how the corrupted packets identified? 6) what is checksum. 7) What happens what you type URL in browser? 8) can we overrule Checksum identification in routers and send the corrupted packet to destination?
Anonym
Scala questions are not answered in confident, but I feel the rest of the questions are answered well.