Costi Serban

Costi Serban

Costi Serban is a network and security engineer with over 10 years of experience in multi-vendor environments. He holds a CCIE Routing and Switching certification and is currently pursuing CCIE Security certification. He enjoys teaching networking and recently discovered his love of tech writing. He runs a blog where he publishes networking quizzes (advanced to expert difficulty level) in order to help engineers to understand hidden or complex details of network and security topics - you can try these quizzes here: http://www.costiser.ro/category/quizzes/