Concentrating in Cisco networking but not limited to others platforms such as Juniper, Nortel, Checkpoint firewalls, and Linux.
You can contact me at my email address. My email address is “davidsudjiman”, followed by the “at” sign, followed by “gmail.com”. I welcome personal email directed specifically to me! You are not permitted to send unsolicited bulk email (UBE, commonly referred to as spam) to any of my email addresses, or to sell my email addresses to people who do.