Anyone know what exact nomber were for each of this two version in romanian force, and specific weapons information? (machine guns, bombs)

I see an image on the internet were G4 was armed with 2 MG's. One in front, and one up, for firing to the back area. I search for more informations, but i'm in "fog". This second machine gun was not so wide spread in use, so i don't find exact explanation and one who can be aprreciate for his accuracy - so, this was a fixed, or mobile location?
Also, i see a picture from the back side. If my eyes are not liyng me, this is a MG mounted up on the upper wing, just like in Nieuport 11. It is an G4, because it had two engines. So, it is a bad angle or it was in reality?

Many thanks,

Iama