Refer to the exhibit, Host A pings interface S0/0 on router 3, what is the TTL value for that ping?（） 
- A、253
- B、252
- C、255
- D、254
正确答案:A
答案解析:有
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Refer to the exhibit, Host A pings interface S0/0 on router 3, what is the TTL value for that ping?（）
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