How many bits of the multicast MAC address are used for multicast IP address mapping? 06/05/2017 – by Mod_GuideK 0 How many bits of the multicast MAC address are used for multicast IP address mapping? A. 24 B. 22 C. 25 D. 23 SHOW ANSWERSCorrect Answer: D Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.