OMG OMG-OCUP2-FOUND100 Dumps

• The diagram displays an activity labeled "Account Authentication".
• There are two main paths branching from the start of the activity:
• Both paths converge into a decision diamond labeled "Authentication Successful?".
• Depending on the outcome of the decision (Yes/No), the flow continues to either a "Grant Access" or "Deny Access" activity.

Explanation of why Option B is Correct:

This diagram accurately represents the scenario of account authentication where there are two alternative paths for validation: using a password or an OTP (One-Time Password). The decision point after these paths merges the flow for a final decision on granting or denying access based on successful authentication.

Comparison with Other Options:

• Option A, C, and D show different activity sequences that don't align with the two initial validation paths (password vs. OTP) and the subsequent decision point based on authentication success.

References

• UML 2.5.1 Specification (Superstructure): Sections on Activity Diagrams https://www.omg.org/spec/UML/2.4/Superstructure/PDF

The diagram shows a UML Sequence Diagram where two messages are being exchanged between lifelines representing instances of objects:m(C)is being sent fromv1tov2, andm(D)is being sent back fromv2tov1.

In a sequence diagram, the vertical order of message arrows shows the sequence of interactions, with time proceeding down the page. Since the messagem(C)is shown abovem(D), this means thatm(C)occurs beforem(D). The receipt ofm(C)byv2[B]must therefore occur beforev2[B]can sendm(D)back tov1[B].

Therefore, the statement "Receivingm(C)must come before sendingm(D)" is always true in this diagram.

B, C, and D are not necessarily true based on the diagram alone: B) "Sending m(D) is the first occurrence of this scenario" is not depicted. C) "Receiving m(D) is the last occurrence of this scenario" is also not depicted. D) "All occurrences of v[1] will happen before all occurrences of v[3]" is not something we can infer from this diagram since v[3] is not involved in the interactions shown.

Therefore, the correct answer is:

A. Receiving m(C) must come before sending m(D).

In the provided activity diagram, let’s analyze the execution of Action c:

• Tokens and Control Flow:
• Action c:
• Parallel Flow:

Therefore, the correct statement is that Action c will get executed two times, as indicated by the presence of two tokens offered to it.

For further understanding, you can refer to UML 2 documentation on activity diagrams, which explains the semantics of tokens, control flows, and execution of actions1. Remember that tokens play a crucial role in determining the execution behavior of actions in parallel flows.