The octagonal dome of the dome of the rock most closely resembles which structure?

San Vitale, Ravenna

Explanation:

Both the structures had same purpose of representing a place of worship. Although the subject matter differ but the art technique was same. In Dome of the rock quite elaborative geometric designs, calligraphy and colors were used where as in San Vitale figurative compositions and scripts were designed on mosaic. Apart from that other elements such as columns, piers and ambulatory were same along with the central plan of the structure.