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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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【簡答題】What field in IP packet is prevent the packet from a route to router forever？

答案： TTL （time to live）.

【簡答題】what is anycast address （Ipv6）？

答案： anycast is used for one-to-nearest&#...

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