Which two statements are correct regarding IS-IS?（）
- A、Routers maintain a single link-state database per area.
- B、Routers maintain a separate Level 1 link-state database.
- C、Routers maintain a separate Level 2 link-state database.
- D、Routers maintain a single Level 1 link-state database across multiple areas.
正确答案:B,C
答案解析:有
微信扫一扫手机做题