Which of the following represents a class C netmask? 06/14/2017 – by Mod_GuideK 0 Which of the following represents a class C netmask? A. 255.0.0.0 B. 255.255.0.0 C. 255.255.255.0 D. 255.255.255.255 SHOW ANSWERSCorrect Answer: C Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.