Northrop Grumman interview questions

Interviewed over the phone. Interviewed claimed to be having a bad day and seemed disinterested or tired during the interview. This definitely effected the interview process and job placement. The other interviewer was much more attentive and communicative.

i was asked some classic questions, as the ones mentioned below, and then i was asked to perform an excel test, easy and guided, it was about creating pivot tables and using the vlookup