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A system administrator detects thousands of open idle connections from the same source.Which problem can arise from this type of attack?()A. It enables an attacker to perform an IP sweep of devices.B. It enables a hacker to know which operating system the

题目
A system administrator detects thousands of open idle connections from the same source.Which problem can arise from this type of attack?()

A. It enables an attacker to perform an IP sweep of devices.

B. It enables a hacker to know which operating system the system is running.

C. It can overflow the session table to its limit, which can result in rejection of legitimate traffic.

D. It creates a ping of death and can cause the entire network to be infected with a virus.

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更多“A system administrator detects thousands of open idle connections from the same source.Which problem can arise from this type of attack?() ”相关问题

  • 第1题：

    与“SELECT*FROM教师表INTO DBF A”等价的语句是（ ）。

    A.SELECT*FROM教师表TO DBF A

    B.SELECT*FROM教师表TO TABLE A

    C.SELECT*FROM教师表INTO TABLE A

    D.SELECT*FROM教师表INTO A ，


    正确答案：C
    C。【解析】短句INTODBFITABLEtableName是将查询结果存放到永久表中。

  • 第2题：

    People differ______one another______their ability to handle stress.

    A．from…to

    B．from…in

    C．for…in

    D．in…from


    正确答案：B
    解析：人们在应对压力的能力上各有不同。differ from sb in：在……方面……(人)不同。

  • 第3题：

    下列SQL语句中，能够完成并运算的是（）。

    ASELECT * FROM 篮球爱好者  UNION  SELECT * FROM 足球爱好者

    BSELECT * FROM 篮球爱好者  INTERSECT  SELECT * FROM 足球爱好者

    CSELECT * FROM 篮球爱好者  EXCEPT  SELECT * FROM 足球爱好者

    DSELECT * FROM 篮球爱好者 ，足球爱好者


    A
    略

  • 第4题：

    （ 30 ）与 “ SELECT * FROM 教师表 INTO DBF A ” 等价的语句是

    A ） SELECT * FROM 教师表 TO DBF A

    B ） SELECT * FROM 教师表 TO TABLE A

    C ） SELECT * FROM 教师表 INTO TABLE A

    D ） SELECT * FROM 教师表 INTO A


    正确答案：C

  • 第5题：

    The Hundred Year’s War between Britain and France was fought( ).

    A.from 1327 to 1453
    B.from 1337 to 1453
    C.from 1347 to 1453
    D.from 1357 to 1453

    答案：B
    解析：
    考查英国国家概况。英法百年战争从1337年持续到1453年，是世界上历时最长的战争，断断续续持续了长达116年。

  • 第6题：

    设ADOrs为Recordset对象，从“学生基本情况表”中获取所有记录的语句是（）。

    AADOrs.Open“select * From 学生基本情况表”

    BADOrs.Execute“select * From 学生基本情况表”

    CADOrs.New“select * From 学生基本情况表”

    DADOrs.Select “select * From 学生基本情况表”


    A
    略

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