Choose the correct answer
What is an efficient way to represent highly reused patterns of interaction on sequence diagrams?

Choose the correct answer.
Given the following model:

Which statement is true?

Choose the correct answer.
Given the following diagram:

Which generalization constraint keywords should be used to specify that:
1- the set of all instances of Car is not fully covered by its three shown subtypes, Small, Medium, and Large, AND
2- an instance of Car is exclusively either Small Medium, or Large

Choose the correct answer
Which SysML construct is used to represent a connection point to an interaction when It is being used by another interaction?

Choose the correct answer.
Block 1 has a value property 'a' part 1. typed by Block! sends the message Ml If a>0; otherwise it sends message M2.
Which diagram depicts this scenario?
A)

B)

C)

D)