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NEW QUESTION # 40
Choose the correct answer
A system engineer is designing an algorithm that governs the behavior of his system-of-interest He is using SysML for modeling system behavior and related allocations, and plans to auto-generate MATLAB code for algorithm execution and testing.
Which modeling approach should the engineer use?
- A. use package constructs to represent the algorithm and its functions, and create containment relationships to represent the use of functions in the algorithm
- B. use block constructs to represent the algorithm and its functions, and create part properties to represent the use of the functions in the algorithm
- C. use block constructs to represent the algorithm, and create use cases for each of the functions used in the algorithm
- D. use activity constructs to represent the algorithm and its functions, and create actions to represent the use of functions in the algorithm
- E. use activity constructs to represent the algorithm and its functions, and create containment relationships to represent the use of functions in the algorithm
- F. Code generation is outside the scope of SysML. so the system engineer should use UML
Answer: D
Explanation:
Explanation
This modeling approach should be used by the system engineer because it allows him to capture the behavior of his system-of-interest using SysML activities and actions. An activity is a behavior that specifies the coordination of actions. An action is a behavior that specifies a transformation or processing of data. By using activities and actions, the engineer can model the algorithm and its functions in terms of inputs, outputs, control flows, object flows, parameters, etc. He can also use allocations to relate the activities and actions to other model elements, such as blocks or requirements. This way, he can generate MATLAB code from his SysML model for execution and testing. References:
https://www.omg.org/ocsmp/ocsmp-adv-exam.htmhttps://sysml.org/tutorials/sysml-diagram-tutorial/
NEW QUESTION # 41
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What is the purpose of the Domain Metamodel in UPDM?
- A. It defines the stakeholder requirements for the metamodel.
- B. It defines the mapping of UML to SysML and SOAML concepts
- C. It defines the implementation metamodel.
- D. It defines the melamodel concepts and relationships without any implementation
Answer: D
Explanation:
Explanation
The purpose of the Domain Metamodel in UPDM is to define the metamodel concepts and relationships without any implementation. The Domain Metamodel captures the core concepts of DoDAF and MODAF in terms of entities, attributes, associations, and constraints. It does not specify how these concepts are implemented in UML, SysML, or any other language or tool. The Domain Metamodel serves as a requirements model for UPDM and provides traceability links between the domain concepts and the profile elements. References: https://www.omg.org/ocsmp/ocsmp-adv-exam.htmhttps://www.omg.org/updm/
NEW QUESTION # 42
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Which option is a measure of model quality?
- A. the number of blocks that have been implemented
- B. the number of actions and activities with no incoming object 01 control flows
- C. the number of textual requirements approved by the customer
- D. the estimated time to complete the use case model
Answer: B
Explanation:
Explanation
A measure of model quality is a metric that evaluates how well a model satisfies some desired characteristics, such as correctness, completeness, consistency, clarity, etc. The number of actions and activities with no incoming object or control flows is a measure of model quality that indicates how well the model captures the dependencies and sequences of events in the system. A high number of such actions and activities may imply that the model is incomplete or inconsistent, and may lead to errors or ambiguities in the system behavior.
NEW QUESTION # 43
Choose the correct answer
In a scenario-based development approach, which SysML diagram type could best be used to describe the scenarios?
- A. activity diagram
- B. state diagram
- C. requirements diagram
- D. use case diagram
Answer: D
Explanation:
Explanation
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
NEW QUESTION # 44
Choose the correct answer
What distinguishes a software development methodology from a systems development methodology?
- A. There is no difference Any methodology good for software development should be good for systems development.
- B. Software development methodologies employ formal architecting techniques, while systems development methodologies tend not to.
- C. All current systems development methodologies are extensions of previous software development methodologies.
- D. For software intensive systems, there is effectively no difference between system development methodologies and software development methodologies
- E. Systems development methodologies tend to focus on holistic issues, while software development methodologies tend to focus on high quality code.
Answer: E
Explanation:
Explanation
The main difference between software development methodologies and systems development methodologies is that software development methodologies tend to focus on high quality code, such as functionality, reliability, performance and maintainability, while systems developmentmethodologies tend to focus on holistic issues, such as stakeholder needs, system boundaries, interfaces, trade-offs and lifecycle management.
Software development methodologies are usually applied to software-intensive systems or subsystems, while systems development methodologies are usually applied to complex systems that involve multiple disciplines and domains. It is not true that all current systems development methodologies are extensions of previous software development methodologies, as some systems development methodologies have different origins and foundations. It is not true that software development methodologies employ formal architecting techniques, while systems development methodologies tend not to, as both types of methodologies can use different levels of formality and rigor in their architecting approaches. It is not true that for software intensive systems, there is effectively no difference between system development methodologies and software development methodologies, as software intensive systems still require a broader and deeper perspective than software development methodologies can provide. It is not true that there is no difference between any methodology good for software development and any methodology good for systems development, as different types of systems may require different types of methodologies that suit their characteristics and challenges. References:
OMG-Certified Systems Modeling Professional - Model Builder - Advanced (OCUP2-ADV) Examination Guide Version 1.0, Section 4.5
NEW QUESTION # 45
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A small project has chosen a widely-used SysML-based development method, and plans to tailor the method over the life of the project.
What Is(are) the most important consideration(s) for selecting a tool to support the project? \ Choose the option that gives the project the most flexibility
- A. built-in support for the method, including documentation and context-specific help
- B. built-in support for the method: vendor commitment to provide tool tailoring for the project
- C. built-m support for the method, mechanisms for user-defined extensions to the tool
- D. ability to interface with other tools that support the method
Answer: C
Explanation:
Explanation
This is the most important consideration for selecting a tool to support the project because it gives the project the most flexibility. A built-in support for the method means that the tool has features and functions that are aligned with the SysML-based development method chosen by the project. This can include documentation, context-specific help, templates, wizards, etc. A built-in support for the method can help the project to follow the method more easily and consistently. A mechanism for user-defined extensions to the tool means that the tool allows users to customize or modify the tool according to their needs and preferences. This can include adding new features, changing existing features, creating new views or reports, etc. A mechanism for user-defined extensions to the tool can help the project to tailor the method over the life of the project and adapt to changing requirements or situations. References:
https://www.omg.org/ocsmp/ocsmp-adv-exam.htmhttps://sysml.org/tutorials/sysml-diagram-tutorial/
NEW QUESTION # 46
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Which OMG specifications does UPDM use at L1?
- A. UML, SysML and SOAML
- B. UML. SysML. and BPMN
- C. UMLandSysML
- D. UML, SysML and MARTE
Answer: C
Explanation:
Explanation
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.htmhttps://www.omg.org/updm/
NEW QUESTION # 47
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Which kinds of model elements ate used to populate the typical stakeholder views of a design?
- A. both behavioral and structural diagrams
- B. primarily use case and requirements diagrams
- C. primarily behavior elements, such as activity, state and sequence diagrams
- D. primarily structural elements, such as block definition and internal block diagrams
Answer: A
Explanation:
Explanation
The typical stakeholder views of a design are composed of both behavioral and structural diagrams, depending on the purpose and perspective of the view. Behavioral diagrams show how the system or part behaves or interacts in different scenarios or states, such as activity, state and sequence diagrams. Structural diagrams show how the system or part is composed of parts, ports, connectors and properties, such as block definition and internal block diagrams. Both types of diagrams are important to convey the functionality and architecture of the system or part to different stakeholders. Use case and requirements diagrams are not sufficient to populate the stakeholder views of a design, as they only capture the functional and non-functional aspects of the system or part. References: OMG-Certified Systems Modeling Professional - Model Builder - Advanced (OCUP2-ADV) Examination Guide Version 1.0, Section 4.4
NEW QUESTION # 48
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Understanding OCL is important to the understanding of which item(s)?
- A. a typical high-level domain model
- B. both the UML and SysML specifications
- C. software developers' modifications to a SysML model
- D. tool-generated XMI for a SysML model
Answer: B
Explanation:
Explanation
OCL is important to the understanding of both the UML and SysML specifications because it is used to define the semantics and constraints of the modeling elements and relationships in both languages. OCL is part of the UML standard and is adopted by SysML as a complementary language. OCL can also be used to specify queries, expressions and operations on models. OCL is not directly related to a typical high-level domain model, tool-generated XMI for a SysML model, or software developers' modifications to a SysML model.
References: OMG-Certified Systems Modeling Professional - Model Builder - Advanced (OCUP2-ADV) Examination Guide Version 1.0, Section 4.3
NEW QUESTION # 49
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An engineer wants to place formal pre-conditions and post-conditions on an activity diagram.
Which language is suitable and most compatible with SysML?
- A. BPMN
- B. English
- C. XMI
- D. VSL
- E. OCL
- F. OWL
- G. XML
Answer: E
Explanation:
Explanation
OCL is the most suitable and compatible language for placing formal pre-conditions and post-conditions on an activity diagram. OCL is part of the UML standard and can be integrated withSysML without any conflicts or inconsistencies. OCL can express complex logical expressions that can check the state of the system before and after an activity is executed. BPMN is a business process modeling language that is not compatible with SysML. English is a natural language that may not be precise or unambiguous enough for formal specifications. OWL is a web ontology language that is not designed for modeling activities or constraints.
VSL is a value specification language that can only express simple values and expressions. XMI and XML are markup languages that are used for exchanging models between tools, not for specifying constraints on models. References: OMG-Certified Systems Modeling Professional - Model Builder - Advanced (OCUP2-ADV) Examination Guide Version 1.0, Section 4.3
NEW QUESTION # 50
Choose the correct answer.
A control unit aboard a ship sends commands to a remote-controlled submarine. which in turn sends messages to the ship after completing each major stage of its overall mission. For each distinct stage, the ship orders the submarine to perform a different set of operations. Completing any given stage takes a widely variable amount of time Why it is appropriate to use the MARTE profile to model this system with SysML?
- A. The stage transitions of the mission equate to a logical dock, a temporal construct that MARTE brings to SysML
- B. The stage transitions of the mission equate to a chronometric clock a temporal construct that MARTE brings to SysML
- C. The control unit must order the submarine's operations in real time, which the MARTE profile makes it possible to model in SysML.
- D. The control unit is an embedded system, which the MARTE profile makes it possible to model in SysML
Answer: C
Explanation:
Explanation
It is appropriate to use the MARTE profile to model this system with SysML because the control unit must order the submarine's operations in real time, which the MARTE profile makes it possible to model in SysML.
MARTE is a UML profile that provides concepts and annotations for modeling and analyzing real-time and embedded systems. It supports modeling time-related properties and constraints, such as deadlines, periods, durations, clocks, etc., as well as resource-related properties and constraints, such as memory, CPU, power, etc. By using MARTE, one can capture the real-time requirements and behavior of the system and perform schedulability and performance analysis. References:
https://www.omg.org/ocsmp/ocsmp-adv-exam.htmhttps://www.omg.org/spec/MARTE/1.2/About-MARTE/
NEW QUESTION # 51
Choose the correct answer
What kind of models can be exchanged using XMI?
- A. only UML models including profiles
- B. instances of MOF models
- C. only UML and SysML models
- D. instances of metamodels that can be described by an XML schema
Answer: B
Explanation:
Explanation
The kind of models that can be exchanged using XMI are instances of MOF models. MOF (Meta-Object Facility) is a standard that defines a metamodeling architecture and a set of metamodels for creating and manipulating models. A metamodel is a model that defines the abstract syntax and semantics of another model. A model is an instance of a metamodel that conforms to its rules and constraints. XMI (XML Metadata Interchange) is a format specification that enables the interchange of objects and models through an XML formatted file. It is based on a metamodel that defines the mapping of MOF concepts to XML concepts. By using XMI, any model that is an instance of a MOF metamodel can be serialized and deserialized in terms of XML elements and attributes. This includes UML, SysML, and other modeling languages that are defined as MOF metamodels. References:
https://www.omg.org/ocsmp/ocsmp-adv-exam.htmhttps://www.omg.org/spec/XMI/2.5.1/About-XMI/
NEW QUESTION # 52
Choose the correct answer
What does a model library add to a SysML model?
- A. common concepts
- B. stereotypes
- C. methodology-specific modeling concepts
- D. domain-specific modeling concepts
Answer: A
Explanation:
Explanation
A model library is a package that contains reusable model elements that can be imported into other models. A model library can add common concepts to a SysML model, such as units, quantities, value types, etc. These concepts can be used to define properties and parameters of blocks and constraints in a consistent and standardized way. References:
https://www.omg.org/ocsmp/ocsmp-adv-exam.htmhttps://www.omg.org/spec/SysML/1.6/PDF
NEW QUESTION # 53
Choose the coned answer
What is one of the best reasons for a modeling Systems Engineer to use OCL?
- A. OCL transforms easily into code
- B. OCL allows tor precise specification of constraints based on contents of the model
- C. OCL can express any imaginable constraint
- D. OCL facilitates understanding by engineers.
Answer: B
Explanation:
Explanation
OCL is a formal language that can be used to specify constraints on the elements and relationships of a model.
OCL can access the properties and operations of the model elements and check their values and states. OCL is not intended to be transformed into code or to express any imaginable constraint. OCL may not be easily understood by engineers who are not familiar with its syntax and semantics. References: OMG-Certified Systems Modeling Professional - Model Builder - Advanced (OCUP2-ADV) Examination Guide Version 1.0, Section 4.3.1
NEW QUESTION # 54
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For a system with stringent real-time requirements and power-consumption constraints, which concern would lead the designer to employ the MARTE profile?
- A. ensuring that the relationship between system response time and power consumption could be captured in a parametric diagram
- B. ensuring traceability between structure and behavior
- C. ensuring that the structure could be precisely modeled and that analysis was supported
- D. ensuring traceability between requirements and structure
Answer: B
Explanation:
Explanation
For a system with stringent real-time requirements and power-consumption constraints, the concern that would lead the designer to employ the MARTE profile is ensuring that the structure could be precisely modeled and that analysis was supported. MARTE provides concepts and annotations for modeling the structure of real-time and embedded systems in terms of components, ports, connectors, flows, etc., as well as for modeling their behavior in terms of state machines, activities, etc. MARTE also provides concepts and annotations for performing analysis of system properties, such as schedulability, performance, power consumption, etc., using various methods and tools. References:
https://www.omg.org/ocsmp/ocsmp-adv-exam.htmhttps://www.omg.org/spec/MARTE/1.2/About-MARTE/
NEW QUESTION # 55
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A design team is applying the MARTE profile to its model to add information about timing and resources What is a best practice to provide the MARTE information to the engineers who require it?
- A. Create a separate model for the MARTE data and import it into the system model.
- B. Define a viewpoint and conform views for the engineers
- C. Define a model library that encapsulates the MARTE data for the engineers
- D. Always show the MARTE stereotypes and properties in the diagrams
Answer: B
Explanation:
Explanation
A best practice to provide the MARTE information to the engineers who require it is to define a viewpoint and conform views for the engineers. A viewpoint is a specification of a perspective on a model that addresses a set of stakeholder concerns. A view is a representation of a model that conforms to a viewpoint. By defining a viewpoint and conform views for the engineers, the MARTE information can be presented in a way that is relevant and understandable for them. References:
https://www.omg.org/ocsmp/ocsmp-adv-exam.htmhttps://www.omg.org/spec/MARTE/1.2/About-MARTE/
NEW QUESTION # 56
Choose the coned answer
Which kind of allocation relationship is pivotal m a Y development approach?
- A. property to structure
- B. function To code
- C. function to structure
- D. requirement to design
Answer: C
Explanation:
Explanation
A V development approach is a systems engineering methodology that follows a V-shaped process model. The left side of the V represents the decomposition of requirements into system and subsystem specifications. The bottom of the V represents the integration and testing of system components. The right side of the V represents the verification and validation of system performance against requirements. A function to structure allocation relationship is pivotal in a V development approach, because it defines how the system functions are realized by the system structure (i.e., components). This relationship enables traceability and consistency between requirements, design, implementation, and testing
NEW QUESTION # 57
Choose the correct answer
What are two cross-cutting mechanisms within SysML that can be used to establish traceability between the systems model and a UML software model?
- A. allocations and stereotypes
- B. requirement relationships and allocations
- C. profiles and stereolypes
- D. packages and parametrics
Answer: A
Explanation:
Explanation
Two cross-cutting mechanisms within SysML that can be used to establish traceability between the systems model and a UML software model are allocations and stereotypes. Allocations are dependencies that indicate a relationship between elements in different models or domains. Stereotypes are extensions of existing metaclasses that add additional information or semantics to model elements. By using allocations and stereotypes, different aspects of the systems model and the software model can be linked and traced.
References: https://www.omg.org/ocsmp/ocsmp-adv-exam.htmhttps://www.omg.org/spec/SysML/1.6/PDF
NEW QUESTION # 58
Choose the correct answer
How does SysML support systems engineering methodologies?
- A. The stereotype and profile mechanisms enable lilting of SysML to a methodology.
- B. SysML can only support a systems engineering methodology if it is used at the starting point of the project
- C. The generalization mechanism enables fitting of SysML to a methodology
- D. SysML does not support system engineering methodologies, as it is a language
Answer: A
Explanation:
Explanation
SysML is a general-purpose modeling language for systems engineering that can support various systems engineering methodologies. The stereotype and profile mechanisms are features of SysML that enable customizing and extending the language for a specific domain or purpose. By using stereotypes and profiles, SysML can be adapted to fit different methodologies and conventions without changing the core language semantics
NEW QUESTION # 59
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If a systems modeling tool conforms to the XMI specification and includes the XMI representation of the UML Profile for SysML and the XMI representations of Model Libraries defined by SysML. what does the tool provide?
- A. the import and export of both SysML diagrams and model data from one tool to another
- B. the ability to perform model checking to verify model conformance
- C. the import and export of only SysML model data from one tool to another
- D. the import and export of only SysML diagrams from one tool to another
Answer: A
Explanation:
Explanation
If a systems modeling tool conforms to the XMI specification and includes the XMI representation of the UML Profile for SysML and the XMI representations of Model Libraries defined by SysML, the tool provides the import and export of both SysML diagrams and model data from one tool to another. XMI (XML Metadata Interchange) is a format specification that enables the interchange of objects and models through an XML formatted file. It is based on a metamodel that defines the abstract syntax and semantics of the model elements. By conforming to the XMI specification, a tool can serialize and deserialize SysML models in terms of XML elements and attributes. The tool can also include the XMI representation of the UML Profile for SysML, which defines the mapping of SysML concepts to UML concepts, and the XMI representations of Model Libraries defined by SysML, which provide predefined types and units for SysML models. This way, the tool can import and export both SysML diagrams and model data from one tool to another, ensuring consistency and interoperability. References:
https://www.omg.org/ocsmp/ocsmp-adv-exam.htmhttps://www.omg.org/spec/XMI/2.5.1/About-XMI/
NEW QUESTION # 60
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A system engineer designing a smart-home system is working with three analysts using specialized computational tools to evaluate energy consumption, waste production, and reliability of the system The team is soliciting a recommendation for an approach that achieves the following (1) Analysis models should Incorporate design details necessary for evaluation (2) Analysis models should be easily adaptable for different types of smart-home systems Which recommendation would be most effective from a MBSE perspective'?
- A. The system engineer should create a SysMI model for capturing the high level design specifications of different types of smart-home systems. This SysML model should contain a package for each of the analyses and dependency relations between the design specifications and the analysis packages
- B. The system engineer should create a SysML model for capturing the design of different types of smart-home systems, and the analysts should each create a SysML model representing their specific analysis. All four SysML models should then be linked together.
- C. The system engineer should create a SysML model loi capturing the design ol different types of smart-home systems, and the analysts should set up executable templates/scripts to generate analysis models from the SysML model
- D. The system engineer should create a SysML model for capturing high-level design specifications of different types of smart-home systems, which the analysts can consult for creating and maintaining analysis models in their individual tools.
Answer: C
Explanation:
Explanation
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.htmhttps://sysml.org/tutorials/sysml-diagram-tutorial/
NEW QUESTION # 61
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