C is correct
https://pubs.opengroup.org/togaf-standard/adm-practitioners/adm-practitioners_5.html#_Toc95288835
"This figure provides a process-oriented view of executing the ADM. The Gantt shows the inter-dependent nature of EA requires all ADM phases that develop a candidate architecture and test it for acceptance to be open simultaneously. The ADM phases stay open to address the information required; once it is provided they close. Also, regardless of where the Practitioner is in time or purpose or Architecture Project, if the Business Architecture is being developed the Practitioner is executing Phase B. Executing Phase B is all about addressing the stakeholder concerns from the perspective of the Business Architecture domain, identifying the gaps in the Business Architecture, and looking at impacts across the EA Landscape. The figure highlights that many of the steps in the ADM phases can be executed simultaneously."
B. An Enterprise Architecture must be developed in phases with a limited fixed duration.
First, TOGAF is a flexible framework. Scrutinize answers containing limiting words like "MUST". (A, C, D)
(A, C, D) are all wrong because ADM phases can be run in sequence OR simultaneously, and Gantt charts are not a MUST to communicate with stakeholders.
Option B offers a structured approach that includes timeboxing
The statement "ADM phases must be run in a sequenced approach to produce the Architecture" is not entirely accurate. The TOGAF Architecture Development Method (ADM) is designed to be iterative and flexible rather than strictly sequential.
While the ADM does have a sequence of phases, it's not mandatory to run them in a strict order. Phases can overlap, and activities from different phases can be carried out simultaneously to refine and gather the necessary information. This iterative and flexible approach allows for more adaptive and responsive architecture development.
Hence, C. ADM phases must be run simultaneously until the relevant information has been produced better captures the dynamic nature of the ADM process
Answer is B: An Enterprise Architecture must be developed in phases with a limited fixed duration.
Reference: https://pubs.opengroup.org/togaf-standard/adm-practitioners/adm-practitioners_5.html
The Gantt shows the inter-dependent nature of EA requires all ADM phases that develop a candidate architecture and test it for acceptance to be open simultaneously. The ADM phases stay open to address the information required; once it is provided they close.
see where the confusion might arise. Let's clarify this point:
The answer B suggests that an Enterprise Architecture must be developed in phases with a limited fixed duration, which is somewhat misleading in the context of TOGAF. The correct concept illustrated by the Architecture Roadmap is that ADM phases must be run in a sequenced approach to produce the Architecture (Answer A).
The Gantt chart mentioned in the reference highlights the interdependent nature of the phases, indicating that while some activities might overlap or run concurrently, the phases themselves have a sequential flow. This does not necessarily imply a limited fixed duration but rather emphasizes the structured progression and dependency among phases.
So, while the phases can have some degree of overlap to address specific requirements (as stated in the reference), the overall process is still sequenced to ensure that each phase builds upon the outcomes of the previous one, aligning with the Architecture Roadmap's purpose.
Yes, the phases of the Architecture Development Method (ADM) must be run in a sequenced approach to produce an enterprise architecture
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