读图,完成下列小题。
图示岛屿的山脉主体走向大致为()
A.南北
B.东北—西南
C.东西
D.西北—东南
参考答案:C
--- _______?
--- I have a cold and I don’t want to eat anything.
A.How are you
B.What can I do for you
C.What’s the matter with you
D.How do you like it
ARP攻击造成网络无法跨网段通信的原因是 (65) 。
A.发送大量ARP报文造成网络拥塞
B.伪造网关ARP报文使得数据包无法发送到网关
C.ARP攻击破坏了网络的物理连通性
D.ARP攻击破坏了网关设备