Concept:Imam al-Bukhari is identified by his full genealogical name, commonly shortened as “Muhammad b. Isma‘il.”Explanation:His complete name is Muhammad ibn Ismail ibn Ibrahim ibn al-Mughirah ibn Bardizbah al-Bukhari.In scholarly references, “ibn” is often shortened to “b.” meaning “son of.”Therefore, his well-known real name is Muhammad b. Isma‘il.The other options do not match this established lineage.Answer:D. Muhammad b. Isma‘il