Does Cognos OLAP (PowerPlay Transformation Server) is part of Cognos Report Net?

Does Cognos OLAP (PowerPlay Transformation Server) is part of Cognos Report Net?

no these are 2 separate products. Reportnet (old! ???) is the web protal and studio to design reports on different sources.
for example a cognos cube or framework. There cubes are built with powerplay transformer, a client tool (not web based).