Discuss OMG OMG-OCUP2-FOUND100 Exam Topic 7 Question 50

Choose the correct answer:

How is the abstract syntax of UML specified?

Ausing a MOF metamodel

Busing the Backus-Naur Form (BNF)

Cusing natural language (e.g.. English)

Dusing UML structure and behavior diagrams

Suggested Answer: A

The abstract syntax of UML is specified using the Meta-Object Facility (MOF) metamodel. MOF is a modeling language that provides a meta-meta-model at the top layer of the four-layer metadata architecture, which is used to define the metamodels, like the UML. The MOF specification defines the structure and semantics for constructing metamodels, including the UML. By using MOF, UML ensures that its structure is well-defined and can be processed by tools that understand MOF-based metamodels. The use of MOF to specify UML abstract syntax ensures a clear, structured, and standardized method of describing the semantics of UML components, enabling consistent interpretation and implementation across different modeling tools and environments.

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12 comments · newest first

Tracey 2 months ago

I feel C) using natural language is too vague. UML needs structure.

Rosalind 2 months ago

I’m leaning towards B) using the Backus-Naur Form. It makes sense for syntax.

Leonida 2 months ago

I think it's A) using a MOF metamodel. Seems most accurate.

Annabelle 2 months ago

I’m surprised it’s not D) diagrams!

Aron 2 months ago

Nah, it's definitely not C) natural language.

Leota 3 months ago

Wait, I thought it was B) BNF?

Catherin 3 months ago

Totally agree, MOF is the way to go!

Florinda 3 months ago

A) using a MOF metamodel is correct!

Milly 3 months ago

Natural language seems too vague for something like UML; I think it has to be more formal, possibly BNF or MOF.

Reena 3 months ago

I feel like UML diagrams are more about representation rather than specifying the abstract syntax, so I’m leaning towards MOF.

Ressie 3 months ago

I remember something about BNF being used for syntax definitions, but I can't recall if it applies to UML specifically.

Kanisha 4 months ago

I think the abstract syntax is specified using a MOF metamodel, but I'm not entirely sure.

OMG-OCUP2-FOUND100 Exam - Topic 7 Question 50 Discussion