Now the f6-knight is protected by the rook. The strong pressure against e4 forces White to exchange his h4-bishop.

Black is perfectly fine, defending actively.

Actually, this is quite a common manoeuvre in the Colle to gain space. So the answer is yes, since…

… can safely be met with

Black typically countered in the centre, but after…

And then White managed to exploit his initiative on the kingside.

12.Nd2 c5 (12…Qxg2 13.Ke2!, and Black’s king is walking a tightrope) 13.dxc5? Rd8.

White has gained a good advantage.

With the hook on h6, the g-file may soon be opened. Since White has not castled yet, he will soon make use of this.