Test Info:
- Total of 21 questions
- handful of multiple choice
- 2 mini scenarios
- 13-15 are the scenario based problems. These are based on the published topology from Cisco.
- First of I believe you need to master the scenario by practicing. You have 2 hours to knock this one out, and answer 20ish questions while trying to learn the network map is going to be a huge challenge. I used CBTNuggets course from Mr. Barker again. I didn't find much value in Jeremy's course nor the official book (sorry). This is hands on practical of what we've learned in ROUTE & SWITCH. Using and reusing the scenario from Keith should teach you some important things to remember when troubleshooting. Remember where your transition points are going from Layer 2 --> Layer 3; EIGRP --> OSPF; Inside --> Outside. Break it into smaller problems. Its hard to solve a big problem. Solve a bunch of small ones.
- Is your layer 2 good? Can you ping from client1 to DSW1?
- Is your internal EIGRP good?
- Is your OSPF to EIGRP transition clean?
- Is your OSPF good?
- Is your BGP to OSPF good?
- Is your BGP good?
- Is your inside to outside transition working?
- Know your routing show commands and what the output means
- Show ip route
- show ip protocols
- show ip route ospf
- show ip route eigrp
- show ip route bgp
- show ip ospf int
- show ip ospf neigh
- show ip eigrp int
- show ip eigrp neigh
- show ip bgp
- show ip bgp summary
- show ipv6 of the relevant items listed above
- Know your layer 2 commands
- show vlan
- show int trunk
- show port-security
- Know the scenario information
- show ip nat trans
- show access-list
- show ip access-list
- show ip dhcp bind
- show ip dhcp stat
- Know how to source your pings and traces
- Show run is your friend, but only at the end. Sifting through 10 devices worth of show run is going to take too long on 13-15 questions to finish in 120 minutes. The show run should be the last step to find the actual syntax of the mistake. The other shows should get you 95% of the way home.
- You are asked to find the device causing the problem, the technology in use, and the resolution to the problem.
- This was the only time I asked for a sheet of paper. Being left handed and smearing your notes suck. I usually wrote a quick note on the problem such as (C1 --> Web). Then I made notes on what wasn't working. for example, if the client couldn't ping DSW1 that's the note. When I found the device I thought had the error, I wrote its name down. I also wrote down the best guess of what I'd call the technology. Finally, on step 3 of the problem, they ask for the solution. Syntax matters. READ the possible answers. They will blur together and almost seem the same. UGH.
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