Question 21:
A data series to be rendered as bars in a Visualforce chart. At a minimum you must specify the fields in the data collection to use as X and Y values for each bar, as well as the X and Y axes to scale against. Note: This component must be enclosed within an <apex:chart> component. You can have multiple <apex:barSeries> and <apex:lineSeries> components in a single chart.
Answer options:
A. apex:barSeries B. apex:inputHidden C. apex:outputLink D. apex:outputField