How many packets does the IKE exchange use for Phase 1 Main Mode? 05/28/2018 – by Mod_GuideK 0 How many packets does the IKE exchange use for Phase 1 Main Mode? A. 12 B. 1 C. 3 D. 6 SHOW ANSWERSCorrect Answer: D Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.