问答题
what is the NAT overloading？
Overloading—a form of dynamic NAT......
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问答题 what does three entries of the diagram mean？ 给一张show ip bgp如下
单项选择题 UnicastReversePathForwardingcanperformalloftheseactionsexceptwhichone？（）
单项选择题 WhichofthesestatementsaccuratelyidentifieshowUnicastReversePathForwardingcanbeemployedtopreventtheuseofmalformedorforgedIPsourcesaddresses？（）
