SAP ABAP Function Module TREX_RFC_CONNECTION_TEST (Connection test via RFC.) is using

• Class (4)
• Data Element (1)
• Table/Structure Field (20)
• Function Module (1)
• Interface (3)
• Class Method (6)
• Table (7)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_ABAP_RUNTIME	Help Class for Runtime Measurement
2	Class	CL_SXML_STRING_WRITER	XML String Writer of sXML Library
3	Class	CX_ROOT	Abstract Superclass for All Global Exceptions
4	Class	CX_XSLT_SERIALIZATION_ERROR	Error When Serializing