What is the Purpose of an IBD? - answer-Display the structure of a single block and display usages of a block with part properties and reference properties.
What does an IBD convey? - answer-The structure of a single block, services provided or required by parts, and types of matter data and ene...
OMG-OCSMP-MU100 & 200 Exams
What is the Purpose of an IBD? - answer-Display the structure of a single block and display usages of a
block with part properties and reference properties.
What does an IBD convey? - answer-The structure of a single block, services provided or required by
parts, and types of matter data and energy that can flow across connections.
2 Diagrams that show complementary views of a block - answer-IBD and BDD
Allowable Model Element for IBD - answer-block
What is a connector? - answer-Used to show specific connections among the internal part properties
and their connections to external reference properties.
What is a part property? - answer-It is an internal structural element of a block.
It is seen as a solid boundary rectangle with name : type [ ].
Multiplicity can either be in brackets or in the top right of the rectangle.
What is a reference property? - answer-It is a structure that is external to a block.
It is needed by the block to invoke a behavior or service.
It is represented by a dashed boundary rectangle with name : type [multiplicity].
Multiplicity can be shown in brackets or the UR corner of rectangle.
What is an Item Flow? - answer-It is used to display matter, data, or energy flowing between 2
connected flow ports.
It is represented by a filled in arrowhead that is placed directly onto a connector.
The type of the item flow is named in a label that floats near the arrowhead.
What is Dot Notation? - answer-It is a way to create nesting of a relationship.
The block that types the property is NOT listed or the multiplicity.
It conveys a structural hierarchy ownership of a property.
What is the Purpose of a Use Case Diagram? - answer-It is a black-box view of the system.
It conveys the visible external structures that a system performs.
It displays the actors that participate and invoke the use cases in the diagram during execution.
What is a system boundary? - answer-A system boundary is the subject of the diagram and NOT the
namespace.
It encapsulates use cases and actors in the diagram.
It is represented as a large rectangle within the diagram frame.
What is a Base Use Case? - answer-A base use case is directly invoked by an actor.
It is the primary goal of the actor.
When invoked it will invoke a use case with the include relationship.
It has an association relationship.
,What is the <<include>> relationship? - answer-It is a UC relationship where the included use case
behavior is required.
Source = tail end
Target = arrowhead end
The use case at the source end is the base use case and the arrowhead end is the target included use
case.
What is the <<extend>> relationship? - answer-It is a UC relationship where the extended use case is an
OPTIONAL behavior that can be performed by the base use case.
The source is the tail end
Target is the arrowhead end
The use case at the source end is the extended use case and the use case at the target arrowhead end is
the base use case.
3 Types of Behaviors and the Diagrams that represent them: - answer-Activity = Activity Diagram
Interaction = Sequence Diagram
State Machine = State Machine Diagram
2 Elements on an Activity Diagram: - answer-Nodes & Edges
3 Kinds of Nodes on an Activity Diagram - answer-Actions, Control Nodes, and Object Nodes
2 Kinds of Edges on an Activity Diagram - answer-Control Flows and Object Flows.
2 kinds of tokens that can flow on an activity diagram: - answer-Control Tokens and Object Tokens
What is an Object Token and what is it typed by? - answer-An object token is typed by a block, signal, or
value type.
It represents an instance of matter, data, or energy that can flow through an activity.
What are pins? - answer-Pins convey the flow of an Object Token among actions.
It a pin has a lowerbound of 0 then the pin is considered OPTIONAL.
Non-streaming Pins and Activity Parameters: - answer-When an object token arrives at the input pin:
-It will execute the activity. BUT, if more object tokens arrive then the object token must wait for the
activity to COMPLETE and a NEW execution to begin.
{stream} Pins and Activity Parameters: - answer-Object Tokens don't wait for an action to complete. It
will accept new object tokens and output object tokens concurrently.
3 Criteria that must be satisfied for an action to execute. - answer-1. The activity that owns the action is
currently executing.
2. A control token has to arrive on EACH of the INCOMING control flows.
3. The lower bound multiplicity must be satisfied by the number of object tokens arriving at the
respective input pins.
4 Types of Actions: - answer-1. Call Behavior Action
2. Send Signal Action
, 3. Accept Event Action
4. Wait Time Action
Call Behavior Action Definition & Notation: - answer--Action that invokes another behavior when it
becomes enabled.
-The behavior being called is the '"type" within the rectangle.
-Notation: round-angle rectangle with name : type/behavior name
Rule for Call Behavior Actions and Pins - answer-When a call behavior action invokes a another activity,
the pins of the call behavior action must MATCH the activity parameter's behavior type and multiplicity.
Send Signal Action: - answer-A kind of action that ASYNCHRONOUSLY generates and sends a SIGNAL
instance to a target when it becomes enabled.
Notation: pentagon on it's side with the name of the associated signal inside.
Accept Event Action - answer-A kind of action that generates ASYNCHRONOUSLY. It conveys that the
activity must wait for an ASYNCHRONOUS event occurrence before it can continue it's execution.
- It waits for a single instance event or a time event.
7 Kinds of Control Nodes - answer-1. Initial Node
2.Decision Node
3.Merge Node
4. Activity Final Node
5. Flow Final Node
6. Fork Node
7. Join Node
Initial Node Definition and Notation - answer-It marks the start of the flow of a CONTROL TOKEN!
Filled in circle with one or more control flow edges coming out of it.
Decision Node Definition and Notation - answer-It marks the start of alternative paths through an
activity.
It is a hollow diamond with a single edge coming in and multiple edges coming out.
Can have a Boolean guard on each edge to determine which path a token will take.
Merge Node Definition and Notation: - answer-Marks the end of alternative sequences in an activity.
It is a hollow diamond with 2+ edges coming in and only 1 edge going out.
Useful for modeling a loop.
Fork Node Definition and Notation: - answer-Line segment with 1 incoming edge and 2+ outgoing edges.
Conveys the start of concurrency.
When a token arrives on a fork node, it is duplicated onto each of the outgoing edges.
Join Node Definition and Notation: - answer-Line segment with multiple incoming edges and 1 outgoing
edge.
Marks the end of concurrent behaviors.
When a CONTROL TOKEN arrives on each incoming edge of a join node, only one is offered to the
outgoing edge.
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