6Abdur Rahman Sarker (iam.arsarker@gmail.com)
Abdur Rahman Sarker is a Microsoft Certified Trainer, Network & Security Associate, ACE-MCNA, 4X Alibaba Cloud, 10X Huawei, 5X Juniper, 11X Microsoft, 3X Nutanix, 5X Oracle, PCNSE and passionate about cyber security and related fields.