A partial list of differences between "official" SysMLv1.7 and the Magic Cyber-Systems Engineer ® (Cameo Systems Modeler®) implementation. It is not the purpose of this page to question why the developer's chose to depart from the SysMLv1.7 specification, it's just for your information.
It may be good to know about some of these difference if you are a Cameo tool user and you are studying for the OCSMP exams.
Formally recorded differences with examples are under the Related Notes fieldset below.
Quick notes on some difference (essentially TODO items requiring elaborating examples) are recorded below temporarily "freestyle".
Trivial: The Cameo notation for indicating the 'selection' Behavior on a Datastore uses a callout, which is slightly different from the UML2.5.1 spec (see Figure 15.59 DataStoreNode example).
There are numerous similar examples of notation representation differences, mostly of no consequence