Answer: Yes

The question asks whether using a compute cluster meets the requirement for training models in Azure Machine Learning designer. According to the community discussion and Microsoft documentation links provided, both compute instances and compute clusters can be used for training in Azure ML designer. The community consensus strongly supports 'Yes' (option A) with 100% agreement in the answers_community field and multiple upvoted comments confirming that compute clusters are suitable. Comments reference official Microsoft documentation showing compute clusters are valid compute targets for training. Therefore, the recommendation to use a compute cluster satisfies the requirement.

Author: LeetQuiz Editorial Team