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【单选题】
可使网络服务器中充斥着大量要求回复的信息,消耗带宽,导致网络或系统停止正常服务,这属于(1)攻击类型。典型的针对系统漏洞的DoS攻击方式是(2)。向有限的空间输入超长的字符串是(3)攻击手段?用户收到了一封可疑的电子邮件,要求用户提供银行帐户及密码,这是属于(4)手段。属于IE共享炸弹的是(5)。
A.
拒绝服务
B.
文件共享
C.
远程过程调用
D.
BIND漏洞
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举一反三
【单选题】cl o se A. cl o ck B. n o t C. sh o p D. s o
A.
cl o ck
B.
n o t
C.
sh o p
D.
s o
【单选题】It's already 11 o'clock. He ________ to bed.
A.
must have gone
B.
must go
C.
should have gone
D.
could have gone
【单选题】寒武纪代表性的生物种类是()。
A.
鼓藻
B.
草履虫
C.
硅藻
D.
三叶虫
【判断题】实际循环中四个基本热力过程,压缩冷凝节流汽化都是不可逆过程
A.
正确
B.
错误
【简答题】( )1.The number of registered players in this year’s match was half________. A. of last year’s B. those of last year’s C. of those last year D. that of last year’s ( )2.The new government _________...
【简答题】实际循环中四个基本热力过程,压缩,冷凝,节流,汽化都是(__)过程,其结果必导致制冷能力(__),功耗(__),制冷系数(__)
【多选题】实际循环中四个基本热力过程()都是不可逆过程
A.
压缩
B.
冷凝
C.
节流
D.
汽化
【单选题】It’s already 11 o’clock and nobody answers the phone. George ________ asleep now.
A.
must be
B.
must have been
C.
should be
D.
should have been
【单选题】当采用给定的测试用例集作用于被测软件时,程序图中的所有边都被遍历到,则称这组测试用例集满足()覆盖。
A.
节点
B.
C.
路径
D.
条件
【单选题】Which of the following sentences is INCORRECT?
A.
One pair of pincers isn’t enough.
B.
Each man and each woman there is asked to help.
C.
Measles usually occur in children.
D.
Neither the Kansas coach nor the players were confident of victory.
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