Targeting JNCIA: Study Guide for Exam JN0-201
John Jacobs (JNCIA, CCNA, MCSE) started in the networking industry in the mid-1990s building local area networks. His interest soon shifted to wide-area networking and the unbounded potential held within. After working in operations for a start up DSL carrier, Rhythms Net connections, he is currently employed as a Network Operations Engineer for a Tier 1 ISP. Jeff Ringwelski (JNCIA, CCNA, CCNP) started networking in the late 1990s. His experience spans from maintaining small business connectivity to working in national carrier operations. He is currently a Technical Lead with a Tier1 telecommunications service provider. Tyler Wessels (JNCIA,CCNA) started in the networking industry in the mid-1990s working as a network technician for PSINet Inc. With a desire for a greater challenge he moved on to work for another global Tier 1 ISP as a Network Operations Engineer where he has applied and expanded his IP routing and switching knowledge.