Upon successful payment, our system emails the Cisco Certified Support Technician (CCST) IT Support (100-140 Korean Version) material automatically within about a minute, with 24/7 help if nothing arrives within 2 hours. If you fail the corresponding 100-140 Korean exam within 60 days of purchase, we refund the full amount: send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.