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Which two capabilities are granted with the SUPER privilege?()A.Allowing a client to kill other client connectionsB.Allowing a client to shut down the serverC.Allowing change of the server runtime configurationD.Allowing client accounts to take over the a

题目
Which two capabilities are granted with the SUPER privilege?()

A.Allowing a client to kill other client connections

B.Allowing a client to shut down the server

C.Allowing change of the server runtime configuration

D.Allowing client accounts to take over the account of another user


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  • 第1题:

    These scholarships are only ( ) to the students who are really talented in physics.

    A、given

    B、admitted

    C、present

    D、granted


    参考答案:D

  • 第2题:

    A user invoking a user-defined function requires which DB2 privilege?()

    A.CALL

    B.USAGE

    C.EXECUTE

    D.REFERENCES


    参考答案:C

  • 第3题:

    Allsecuredomainrouters(SDRs)havesharedattributesandresources.WhichthreeresourcesaresharedamongallSDRs?()

    A.SNMPtraps

    B.fabriccards

    C.exec-levelconfiguration

    D.privilege-levelconfiguration

    E.admin-levelconfiguration


    参考答案:B, C, E

  • 第4题:

    classParent{Stringone,two;

    classParent{

    Stringone,two;

    publicParent(Stringa,Stringb){

    one=a;

    two=b;}

    publicvoidprint(){System.out.println(one);}}

    publicclassChildextendsParent{

    publicChild(Stringa,Stringb){

    super(a,b);

    }

    publicvoidprint(){

    System.out.println(one+"to"+two);

    }

    publicstaticvoidmain(Stringarg[]){

    Parentp=newParent("south","north");

    Parentt=newChild("east","west");

    p.print();

    t.print();

    }

    }

    Whichofthefollowingiscorrect?()


    参考答案:E
    这个题目涉及继承时的多态性问题,在前面的问题中已经有讲述,要注意的是语句t.print();在运行时t实际指向的是一个Child对象,即java在运行时决定变量的实际类型,而在编译时t是一个Parent对象,因此,如果子类Child中有父类中没有的方法,例如printAll(),那么不能使用t.printAll()。

  • 第5题:

    Allsecuredomainrouters(SDRs)havesharedattributeandresources.WhichthreeresourcesaresharedallSDRs?()

    A.privilege-levelconfiguration

    B.fabriccards

    C.SNMPtraps

    D.admin-levelconfiguration

    E.exec-levelconfiguration


    参考答案:B, C, D

  • 第6题:

    在A类的某个方法中,“super()”等价于()。

    A.super(A)

    B.super(A,self)

    C.super(self)

    D.super


    super(A,self)