A class B network 129.35 has 4 subnets and a netmask of 255.255.252.0 (11111111.11111111.11111100.00000000). To which of the following subnets will the class B network deliver a packet of address 129.35.14.04 (10000001.00100011.00001110.00000100)?()A、129.35.12.0B、129.35.16.0C、129.35.52.0D、129.35.128.0
A class B network 129.35 has 4 subnets and a netmask of 255.255.252.0 (11111111.11111111.11111100.00000000). To which of the following subnets will the class B network deliver a packet of address 129.35.14.04 (10000001.00100011.00001110.00000100)?()
- A、129.35.12.0
- B、129.35.16.0
- C、129.35.52.0
- D、129.35.128.0
相关考题:
YouneedtorecommendaserverbuildfortheWebservers.Whichserverbuildshouldyourecommend?() A.Class1B.Class2C.Class3D.Class4
下面程序输出的结果为 #include"iostream.h" class A { public: A(){cout<<"CLASSA"<<endl;} ~A() {} }; class B:public A { public: B(){cout<<"CLASSB"<<endl;} ~B() {} }; void main() { A * p; p=new B; B *q; q=new B; }A.CLASS A CLASS BB.CLASS A CLASS B CLASS BC.CLASS A CLASS B CLASS A CLASS BD.CLASS A CLASS B CLASS B CLASS B
下面程序输出的结果为#include"iostream.h"class A{public:A( ){cout<<"CLASS A"<<endl;}~A( ){}};class B:public A{public:B( ){cout<<"CLASS B"<<endl;}~B( ){}};void main( ){A*p;p=new B;B *q;q=new B;}A.CLASS A CLASS BB.CLASS A CLASS B CLASS BC.CLASS A CLASS B CLASS A CLASS BD.CLASS A CLASS B CLASS B CLASS B
The class of fire on which a blanketing effect is essential to extinguish the fire isA.Class 'A'B.Class 'B'C.Class 'C'D.Class 'D'
下面程序输出的结果为 #include"iostream.h” class A { public: A(){cout<<"CLASSA"<<endl;} ~A() {} }; class B:public A { public: B(){cout<<"CLASS B"<<endl;} ~B(){} }; void main() { A*p; p=new B;A.CLASS A CLASS B CLASS B CLASS BB.CLASS A CLASS B CLASS A CLASS BC.CLASS A CLASS B CLASS BD.CLASS A CLASS B
编译下面源程序文件会得到的文件是( )。 class A1 { } class A2 { public class B { public static void main(String args[]) { } } }A.只有B.class文件B.只有A1.class和A2.class文件C.有A1.class、A2.class和B.class文件D.编译不成功
下面程序输出的结果为( )。 #inClUde”iostream.h” Class A {public: A(){cout<<“CLASS A”<<endl;} ~A()<)}; class B:public A {public: B(){cout<<”CLASSB”<<endl;} ~B(){}}; void main() {A*p; p=new B; B *q; q=new B;}A.CLASS A CLASS BB.CLASS A CLASS B CLASS BC.CLASS A ClASS BD.CLASS A CLASS B CLASS A CLASS B CLASS B CLASS B
对于下面( )类定义,可以通过“newJ_Class()”生成类J_Class的实例对象。A、publicclassJ_Class{publicJ_Class(void){}}B、publicclassJ_Class{}C、publicclassJ_Class{publicJ_Class(Strings){}}D、publicclassJ_Class{publicvoidJ_Class(){}publicJ_Class(Strings){}
编译下面源程序会得到哪些文件( )? Class A4{ } Class A2{ } public class B{ public static void main(String args[ ]){ } }A.只有B. class文件B.只有A1.class和A2.class文件C.有A1.class、A2.class和B. class文件D.编译不成功
下面程序输出的结果为 #include" iostream.h" class A { public: A( ) { cout < < "CLASS A" < < end1;} ~ A( ) { } }; class B:public A { public: B( ){ cout < < "CLASS B" < < end1;} ~ B( ) { } }; void main( ) { A * p; p=new B; B * q;A.CLASS A CLASS BB.CLASS A CLASS B CLASS BC.CLASS A CLASS B CLASS A CLASS BD.CLASS A CLASS B CLASS B CLASS B
public class SomeException { } Class a: public class a { public void doSomething() { } } Class b: public class b extends a { public void doSomething() throws SomeException { } } Which is true about the two classes?() A、 Compilation of both classes will fail.B、 Compilation of both classes will succeed.C、 Compilation of class a will fail. Compilation of class b will succeed.D、 Compilation of class a will fail. Compilation of class a will succeed.
class A { A() { } } class B extends A { } Which two statements are true?()A、 Class B’s constructor is public.B、 Class B’s constructor has no arguments.C、 Class B’s constructor includes a call to this().D、 Class B’s constructor includes a call to super().
In which two cases does the compiler supply a default constructor for class A?() A、 class A{}B、 class A { public A(){} }C、 class A { public A(int x){} }D、 class Z {} class A extends Z { void A(){} }
Which declaration prevents creating a subclass of an outer class?()A、 Static class FooBar{}B、 Private class FooBar{}C、 Abstract public class FooBar{}D、 Final public class FooBar{}E、 Final abstract class FooBar{}
Which statement about static inner classes is true?()A、 An anonymous class can be declared as static.B、 A static inner class cannot be a static member of the outer class.C、 A static inner class does not require an instance of the enclosing class.D、 Instance members of a static inner class can be referenced using the class name of the static inner class.
Which thefollowingstatements about static inner classes is true?()A、 An anonymous class can be declared as static.B、 A static inner class cannot be a static member of the outer class.C、 A static inner class does not require an instance of the enclosing class.D、 Instance member of a static inner class can be referenced using the class name of the staticinner class.
根据栅格系统的标准用法,错误的是()A、div class="container"brdiv class="row" B、div class="row"brdiv class="col-md-1" C、div class="row"brdiv class="container" D、div class="col-md-1"brdiv class= "row"
关于嵌套列的用法,错误的是()A、div class=“row”brdiv class=“col-sm-1”B、div class=“col-sm-1”brdiv class=“row”br C、div class=“row”brdiv class=“container”brdiv class=“col-xs-1”br D、div class=“container”brdiv class=“row”brdiv class=“col-xs-1”
Which of the following class addresses is reserved for multicast?()A、 Class AB、 Class BC、 Class CD、 Class D
Which of the following class networks contains 65,534 hosts?()A、Class AB、Class BC、Class CD、Class D
Which Man class properly represents the relationship "Man has a best friend who is a Dog"?()A、class Man extends Dog{}B、class Man implements Dog{}C、class Man{private BestFriend dog;}D、class Man{private Dog bestFriend;}E、class Man{private Dog;}F、class Man{private BestFriend;}
Which statements about static inner classes are true?()A、 A static inner class requires a static initializer.B、 A static inner class requires an instance of the enclosing class.C、 A static inner class has no reference to an instance of the enclosing class.D、 A static inner class has access to the non-static members of the outer class.E、 Static members of a static inner class can be referenced using the class name of the static inner class.
What produces a compiler error?() A、 class A { public A(int x) {} }B、 class A {} class B extends A { B() {} }C、 class A { A() {} } class B { public B() {} }D、 class Z { public Z(int) {} } class A extends Z {}
单选题Which declaration prevents creating a subclass of an outer class?()A Static class FooBar{}B Private class FooBar{}C Abstract public class FooBar{}D Final public class FooBar{}E Final abstract class FooBar{}
单选题public class SomeException { } Class a: public class a { public void doSomething() { } } Class b: public class b extends a { public void doSomething() throws SomeException { } } Which is true about the two classes?()A Compilation of both classes will fail.B Compilation of both classes will succeed.C Compilation of class a will fail. Compilation of class b will succeed.D Compilation of class a will fail. Compilation of class a will succeed.
单选题What produces a compiler error?()A class A { public A(int x) {} }B class A {} class B extends A { B() {} }C class A { A() {} } class B { public B() {} }D class Z { public Z(int) {} } class A extends Z {}