A:
Yes, the D3200 is fully compatible with the 18-200mm lens.
The D3200 supports autofocus with AF-S and AF-I CPU lenses only. AF-S lenses have names beginning with AF-S, AF-I lenses names beginning with AF-I.CPU lenses can be identified by the presence of CPU contacts at the lens mount. Autofocus is not supported with other autofocus (AF) lenses.
Non-CPU lenses may only be used when the camera is in mode M. Selecting another mode disables the shutter release. Aperture must be adjusted manually via the lens aperture ring and the camera metering system, i-TTL flash control, and other features requiring a CPU lens can not be used