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[判断题]
DDoS(Distributed Denial of Service)分布式拒绝服务攻击能极易耗尽客户接入带宽和主机资源。()
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A.D-mannuronic
B.N-acetyl-D-glucosamine
C.D-glucose
D.D-glucosamine
A.contributed
B.distributed
C.attributed
D.devoted
A.A handed in
B.turned out
C.got up
D.given out