单选 思科认证2026-06-29 更新 2 阅读

what is the cause of this problem?（）

  1. The OSPF area is not configured properly.
  2. The priority on R1 should be set higher.
  3. The cost on R1 should be set higher.
  4. The hello and dead timers are not configured properly. 正确答案
  5. A backup designated router needs to be added to the network.
  6. The OSPF process ID numbers must match.
参考答案：D

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