Which of the following best describes the purpose of the Gap Analysis technique?

Gap Analysis is a fundamental technique within the TOGAF Architecture Development Method (ADM). Its purpose is to compare the Baseline Architecture (the current state) with the Target Architecture (the future state) to identify differences. These differences, or "gaps," represent elements that need to be created, modified, or retired. A key output of this analysis is a list of building blocks that have been "eliminated" from the Baseline Architecture in the Target Architecture. Therefore, identifying items omitted from the Target Architecture is a direct and primary function of this technique, which is essential for planning the transition.

A. To allocate resources for architecture projects. Resource allocation is a project management activity that occurs after gaps are identified and work packages are defined, not the purpose of the analysis itself.
C. To govern the architecture throughout its implementation process. This describes the function of Architecture Governance (ADM Phase G), which ensures the implementation conforms to the defined architecture.
D. To develop a set of general rules and guidelines for the architecture. This describes the creation of Architecture Principles, a foundational activity that occurs in the Preliminary Phase and Phase A of the ADM.

1. The Open Group. (2022). TOGAF® Standard, 10th Edition. Van Haren Publishing.

Section 23.1, "Purpose": "In the context of the TOGAF ADM, gap analysis is the technique of identifying gaps between the Baseline and Target Architectures."

Section 23.2, "Steps": This section details the process, including step 4: "Where an ABB from the Baseline Architecture is missing in the Target Architecture, mark it as 'Eliminated'." This directly supports that the technique identifies items omitted from the Target Architecture.