Refer to the exhibit. Routers R1 and R2 are both configured for single area OSPF. Users who are connected to switch S1 are unable to access database applications that run on servers that are connected to S2. The network engineer is working remotely and only has the information that is shown in the exhibit to direct initial troubleshooting efforts. Based on the exhibit, which OSI layer is the most appropriate to start with for a divide-and-conquer approach?
- network layer
- application layer
- data-link layer
- physical layer
Exam with this question: CCNA Exploration 4: EWAN Practice Final Exam
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