If you are looking for UML exam solutions or study materials from that timeframe:
: For verifying the correctness of diagram standards from that era, the UML 2.5.1 specification , released in December 2017, is the authoritative reference. Download UML correction 2017 2018 rar
: The Object Management Group (OMG) provides resources for UML certifications that include practice questions and correct interpretations of model diagrams. If you are looking for UML exam solutions
The file "UML correction 2017 2018.rar" typically refers to archived academic materials, such as or official solutions for Unified Modeling Language (UML) university courses from that specific academic year. If your intent was to a UML diagram
If your intent was to a UML diagram using text-based tools (as hinted by "create an text"):
: A free tool that specifically lets you create sequence and activity diagrams from plain text.