I answered "No, but I do understand Sales Orders to Cash at a higher level." On reviewing my answer afterwards, I should have responded something like: "An experienced project team member can use basic information flows to learn unfamiliar details. Such as inputs (in the utilities case: meters, human entry, or other) and the desired output - cash collection via customer invoicing. In the middle is where the learnings take place. Examples, data mapping, gap analysis, algorithmic transformation requirements, etc. Please remember that specifics may be learned -a good candidate brings the ability to learn from experience to the table.