Chord Dsus2 (7th fret) notes: D, E, A and D. You must leave out the 2nd and 1st strings.
This chord is played by placing a barre on fret seven with your index finger.
Dsus2 - D suspended 2nd guitar chord is often noted with non-standard names like D5add2, D2(no3) or D2. Sometimes it's referred to as Dadd9(no3).
1(D), 2(E), 5(A).