在没有道路、邮政,也没有常规的电话网络的地方,手机就成了最重要的通信方式。 In places where there are no boats, mail, or regular telephone systems, mobile phones are becoming the most important _______ ____ ________.
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举一反三
【单选题】The following configuration line was added to router R1 Access-list 101 permit ip 10.25.30.0 0.0.0.255 any What is the effect of this access list configuration?()
A.
ermit all packets matching the first three octets of the source address to all destinations
B.
permit all packet matching the last octet of the destination address and accept all source addresses
C.
permit all packet matching the host bits in the source address to all destinations
D.
permit all packet from the third subnet of the network address to all destinations