What is the wire transmission speed for 100GBASE-ER4 Ethernet? 01/29/2021 – by Mod_GuideK 0 What is the wire transmission speed for 100GBASE-ER4 Ethernet? A. 100 Mb/s B. 1 Gb/s C. 10 Gb/s D. 100 Gb/s SHOW ANSWERSCorrect Answer: D Explanation/Reference: