How many rack units does a Cisco TelePresence MCU 5300 occupy in a standard data center rack? 01/12/2017 – by Admin_VCEguide 0 How many rack units does a Cisco TelePresence MCU 5300 occupy in a standard data center rack? A. 1 B. 2 C. 3 D. 4 SHOW ANSWERSCorrect Answer: A Explanation/Reference: Explanation: