What is the name of the chess opening D4 D5 NF3?

Question

I get it played against me quite a lot and what is the standard response?

Answer 1

1. d4 d5 is known as the Queen's Pawn opening. White's second move, Nf3, does not have a specific name; it's most commonly referred to simply as "Queen's Pawn opening with 2. Nf3".

The most common follow-up move for black is ..Nf6, and if you follow the link below then you can read a Wiki article about how the game is likely to develop from here.

Answer 2

2 Nf3 leaves open transpositions via 3 c4.  It has no specific name.  The above/ before answer is best.