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How often are IS-IS Hello packets transmitted?（）
- A、3 seconds for DIS; 9 seconds for non-DIS
- B、9 seconds for DIS; 3 seconds for non-DIS
- C、10 seconds for DIS; 3 seconds for non-DIS
- D、10 seconds for all routers
参考答案
更多 “How often are IS-IS Hello packets transmitted?（）A、3 seconds for DIS; 9 seconds for non-DISB、9 seconds for DIS; 3 seconds for non-DISC、10 seconds for DIS; 3 seconds for non-DISD、10 seconds for all routers” 相关考题
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多选题IS-IS的Hello报文可以具体细分为：（）。AL1IIHBL2IIHCP-2-PIIHDL3IIH。
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