Exam CIS-DF Topic 5 Question 39 Discussion

In theCSDM Walk stage, an organization has moved beyond basic data hygiene (Crawl) and has establishedfoundational service models, especiallyBusiness Services and their relationships to underlying technical components. One of the most important and immediate benefits of reaching this stage is the ability to performreliable impact analysisacross ITSM processes.
When Business Services are correctly defined and related to Application Services, applications, and infrastructure CIs, the CMDB becomes adecision-support systemrather than just a data repository. This enablesimpact assessments for Incident, Problem, and Change Management, which is exactly what Option C describes. For example, when an incident is logged against a CI, ServiceNow can automatically determine which Business Services are impacted and who the affected stakeholders are. Similarly, during Change Management, planners can assess downstream risk by identifying which business-facing services could be disrupted.
Option A is more aligned with advanced operational governance and support model optimization, which typically appears later as organizations mature toward theRun stage. Option B relates to Application Portfolio Management (APM) acceleration, which benefits more from accurate application ownership and lifecycle data rather than core Walk-stage service modeling.
Therefore, the correct and CSDM-aligned benefit at the Walk stage isenabling impact assessments for incident, problem, and change on Business Services, makingOption Cthe verified answer.