Exam GH-200 Topic 2 Question 135 Discussion

Actual exam question for Microsoft's GH-200 exam
Question #: 135
Topic #: 2
As a developer, one of your workflows requires Xcode version 11.2 hosted on macOS Catalina (version
10.15). You have already created and configured a self-hosted runner to conform to those requirements and registered it with your organization. What else should you do to ensure that the workflow accesses the correct runner instance?
(Each correct answer presents part of the solution. Choose three.)

Suggested Answer: C,D,F Vote an answer

GitHub Actions routes jobs to self-hosted runners by using runner labels. Custom labels representing required capabilities, such as the operating-system version and Xcode version, can be created and assigned to the appropriate runner. The workflow then specifies those labels in runs-on. When multiple labels are supplied, GitHub requires an eligible runner to match all specified labels, so runs-on: [self-hosted, macos-10.15, xcode-
11.2] targets the intended runner configuration. Runner groups are primarily an access-control and organizational mechanism and are not represented by the ${{ groups.* }} expression shown in option B. The Xcode/macOS versions in this exam scenario are historical, but the runner-label routing principle remains current. GitHub documentation confirms custom labels and cumulative runs-on label matching.

by Vera at Oct 13, 2026, 07:36 AM

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