Refer to the exhibit. OSPF is used for the routing protocol and all interfaces are configured with the correct IP addresses and subnet masks. During testing, it is found that router R1 is unable to form an adjacency with R2. What is the cause of this problem?
- Both routers have been configured with incorrect router IDs.
- Both routers have been configured in different OSPF areas.
- Both routers have been configured with an incorrect network type.
- Both routers have been configured with different hello and dead intervals.
Exam with this question: CCNA Exploration 2: ERouting Final Exam
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