- 搜標(biāo)題
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- 搜選項(xiàng)
問答題
【簡答題】In multicast network how to select DR？ and what is the order？
答案：
DR selection is using hello me...
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問答題
【簡答題】What field in IP packet is prevent the packet from a route to router forever？
答案：
TTL （time to live）.
