Free OMG OMG-OCSMP-MBA400 Practice Exam with Questions & Answers | Set: 2

This type of data exchange mechanism uses a database that is accessible by two or more tools in order to share data. A repository-based exchange is a way of exchanging data between tools that have direct integration or compatibility. It requires the tools to access a common database that stores the data in a standardized format, such as XMI, AP233, etc. A repository-based exchange can be useful for transferring data in real-time or for performing collaborative operations. However, it can also have some drawbacks, such as security, scalability, orperformance issues. References: https://www.omg.org/ocsmp/ocsmp-adv-exam.htm https://www.omg.org/spec/AP233/About-AP233/

The OMG specifications that UPDM uses at L1 are UML and SysML. L1 is the level of abstraction that defines the core concepts of UPDM without any implementation details. It is based on a Domain Metamodel that captures the common elements of DoDAF and MODAF. The Domain Metamodel is mapped to UML and SysML concepts using a Platform Independent Model (PIM). UML and SysML provide the basic metaclasses and diagrams that UPDM uses to represent architectures. References: https://www.omg.org/ocsmp/ocsmp-adv-exam.htm https://www.omg.org/updm/

To force modelers to use particular metamodeling features, the supervisor must «apply» the profile to the model with the {strict} keyword applied. This keyword indicates that only elements with stereotypes defined in the profile can be created as instances of the extended metaclasses. For example, if a profile defines a stereotype <> as an extension of Class, then only classes with this stereotype can be created as instances of Class when the profile is applied with the {strict} keyword. References: https://www.omg.org/ocsmp/ocsmp-adv-exam.htm https://www.ibm.com/docs/SSB2MU_8.2.0/com.ibm.rhp.sysml.doc/topics/rhp_c_dm_sysml_profile_features.html

This recommendation would be most effective from a MBSE perspective because it allows the system engineer and the analysts to leverage the SysML model as a source of design information and analysis input. A SysML model is a graphical and textual representation of a system and its structure, behavior, requirements, etc. By creating a SysML model for capturing the design of different types of smart-home systems, the system engineer can specify the relevant design details necessary for evaluation, such as parameters, constraints, properties, etc. The analysts can then set up executable templates/scripts to generate analysis models from the SysML model using various methods and tools. This way, the analysts can ensure that their analysis models incorporate the latest design information and are easily adaptable for different types of smart-home systems. The system engineer and the analysts can also use allocation or synchronization mechanisms to link the SysML model and the analysis models and propagate changes between them. References: https://www.omg.org/ocsmp/ocsmp-adv-exam.htm https://sysml.org/tutorials/sysml-diagram-tutorial/

The best way to share the profile is to define it as a model library and import it into the other model. A model library is a package with the stereotype <> applied to it. It contains reusable model elements that can be imported into other models by using an «import» relationship. Option B shows this approach. References: https://www.omg.org/ocsmp/ocsmp-adv-exam.htm https://www.omg.org/spec/SysML/1.6/PDF

A trade study is a method for making a decision between competing alternatives based on a set of criteria, such as cost, performance, reliability, etc. A trade study allows a user to objectively determine the best means of implementing a particular function by evaluating and comparing the pros and cons of each alternative. A trade study can also help identify trade-offs and risks associated with each alternative

The next project task to be carried out after identifying the concerns of a group of stakeholders involved in a systems development project is to define a set of viewpoints and align them with concerns. A viewpoint defines how a view should be constructed and used to address a set of stakeholder concerns. By defining and aligning viewpoints with concerns, the project can ensure that each concern is covered by at least one viewpoint, and that each viewpoint addresses one or more concerns. References: https://www.omg.org/ocsmp/ocsmp-adv-exam.htm https://web.mst.edu/lib- circ/files/special%20collections/INCOSE/A%20Generic%20Method%20for%20Defining%20Viewpoints%20in%20SysML.pdf

 In a scenario-based development approach, use case diagram could best be used to describe the scenarios. A use case diagram shows how actors interact with use cases in different scenarios or situations. A use case diagram can capture the functional requirements and goals of a system or part from different stakeholder perspectives. A use case diagram can also show how use cases are related to each other by generalization, inclusion or extension relationships. A state diagram shows how an object changes its state in response to events or stimuli. A statediagram is not suitable for describing scenarios that involve multiple actors or use cases. An activity diagram shows how actions are performed in a sequence or in parallel by objects or flows. An activity diagram is not suitable for describing scenarios that involve different situations or alternatives. A requirements diagram shows how requirements are specified, derived, satisfied or verified by model elements. A requirements diagram is not suitable for describing scenarios that involve interactions or behaviors. References: OMG-Certified Systems Modeling Professional - Model Builder – Advanced (OCUP2-ADV) Examination Guide Version 1.0, Section 4.2

The main diagram type in Modelica corresponds most closely to the ibd (internal block diagram) in SysML. An ibd shows the internal structure of a block in terms of its parts, ports, connectors, and flows. It is similar to a Modelica diagram, which shows the components of a model in terms of their connectors and equations. Both diagram types can be used to represent physical systems composed of interconnected elements with defined behaviors and properties. References: https://www.omg.org/ocsmp/ocsmp-adv-exam.htm https://modelica.org/documents/ModelicaSpec34.pdf

The quality of models relates to the quality of the modeling language used to express them in that model quality benefits from the degree of syntactical and semantic formalism supported by the modeling language. Syntactical and semantic formalism refers to the rules and meanings that define how the modeling language elements and relationships can be used and interpreted. A high degree of syntactical and semantic formalism can help improve the clarity, consistency and correctness of the models and avoid ambiguity, inconsistency and error. A high degree of syntactical and semantic formalism can also enable automated analysis, verification and validation of the models. The modeling language does not have to be applicable to a wide range of domains of practice in order to produce high-quality models, as some modeling languages may be more suitable or specialized for certain domains than others. The level of comprehensibility of the modeling language’s abstract syntax does not directly correspond to the quality of the models, as abstract syntax is only one aspect of the modeling language that defines its structure and notation. The quality of the modeling language does influence the quality of the models because the quality of the models depends not only on the skill and knowledge of the modeler but also on the expressiveness and precision of the modeling language. References: OMG-Certified Systems Modeling Professional - Model Builder – Advanced (OCUP2-ADV) Examination Guide Version 1.0, Section 4.1