Complex sentence: According to Cisco, less than 3% of Cisco Certified engineers obtain CCIE certification and less than 1% of the networking professionals worldwide, and the average candidate will spend thousands of their own dollars and spend at least 18 months studying while pursuing it.
Split into simpler sentences: According to Cisco, less than 3% of Cisco Certified engineers obtain CCIE certification and less than 1% of the networking professionals worldwide., and the average candidate will spend thousands of their own dollars and spend at least 18 months studying while pursuing it.