Zatosama wrote: » I keep seeing questions such as this: #show run interface GigabitEthernet0/10 Switchport trunk encapsulation dot1q etc. Based on this troubleshoot an issue. I'm currently using Mike Meyers AIO and self-studying. Nowhere in his books can I find anything on this type of question(even though it's on his practice exams). I've realized this is Cisco proprietary router language but that's a much larger topic than is covered on the exam. I'm trying to figure out exactly how much I need to know for the exam. I had 4 questions like this on the exam which I missed by 2 questions(womp womp) and I finding it difficult any information.