You just purchased a refurbished router that contains a configuration from a previous deployment. What should you do, before entering a new configuration into the router?（）
- A、RAM should be erased and the router restarted.
- B、Flash should be erased and the router restarted.
- C、NVRAM should be erased and the router restarted.
- D、The new configuration should be entered and saved.
正确答案:D
答案解析:有
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