In base e-Commerce module designs， where should firewall perimeters be placed？ （）A、 core layerB、 Internet boundaryC、 aggregation layerD、 aggregation and core layersE、 access and aggregation layers
In base e-Commerce module designs， where should firewall perimeters be placed？ （）
- A、 core layer
- B、 Internet boundary
- C、 aggregation layer
- D、 aggregation and core layers
- E、 access and aggregation layers
相关考题：
One should always _____ facts. A、base one's opinion onB、base one's opinion inC、base one opinion onD、base one opinion in
下面程序的运行结果是#includeclass base{protected：int a;public：base（）{ cout ”0”;}class basel：virtual base}public：base 1（）{cout ”1”;}};class base2：virtual base{public：base2（）{cout ”2”;（};class derived：public base1，public base2{public：derived（）{cout ”3”;}};void main（）{derived obj;cout }A．0123B．3120C．0312D．3012
下面程序的运行结果是 include class base{ protected: int a; public: base( ) {c 下面程序的运行结果是#include＜iostream.h＞class base{protected:int a;public:base( ) {cout ＜ ＜ "0";}};class base l: virtual base{public:base l ( ) {cout ＜ ＜"1";}};class base 2: virtual base{public:base2 ( ) {cout ＜ ＜"2";}};class derived: public base 1, public base2{public:derived( ) {cout ＜ ＜ "3";}};void main( ){derive obj;cout ＜ ＜ endl;}A．0123B．3120C．0312D．3012
下面程序的运行结果是()。includeclass base{protected:int a;public:base(){cout 下面程序的运行结果是( )。 #include＜iostream.h＞ class base{ protected： int a； public： base(){cout＜＜“0”；} }； Class basel：Virtual base{ public： basel(){cout＜＜“1”；} }； Class base2：virtual base{ public： base2(){cout＜＜“2”；)A．0123B．3120C．0312D．3012
下面程序的输出结果是【】。include using namespace std; class base { protected: int 下面程序的输出结果是【 】。include ＜iostream＞using namespace std;class base{protected:int a;public:base(){cout＜＜"0":}};class basel: virtual public base{public:base1(){ cout＜＜"1";}};class base2 : virtual public base{public:base2(){cout＜＜"2";}};class derived : public base1,public base2{public:derived () {cout＜＜"3"; }}int main (){derived obj;cout＜＜end1;return 0;}
下面程序的运行结果是includeclass base{protected:int a;public:base( ){cout 下面程序的运行结果是 #include＜iostream.h＞ class base{ protected： int a； public： base( ){cout＜＜"0"；} }； class basel：virtual base { public： base1( ){cout＜＜"1"；} }； class base2：virtual base{ public：A．123B．3120C．312D．3012
Ethernet 的物理层协议主要有(21)。A．10BASE-T1000BASE-T FDDIB．10BASE-T 100BASE-T 1000BASE-TC．100BASE-T 1000BASE-T FDDID．10BASE-T 100BASE-T FDDI
有如下程序: include using namespace std class Base{ int b; public: Base(int i) { 有如下程序：include＜iostream＞using namespace stdclass Base{int b;public:Base(int i) {b=i;}Void disp ( ) {cout＜＜"Base:b="＜＜b＜＜''; }};class Base1:virtual public Base{public:Base1(int i):Base(i){}};class Base2:virtual public Base{public:Base2(int i):Base(i){}};class Derived:public Basepublic Base1{int d;public:Derived(int i ,int j):Base1(j),Base2(j),【 】{ d=i; }void disp() {cout＜＜"Derived:d="＜＜d＜＜' ';}};int main()Derived objD(1,2);objD. disp()objD. Base::disp();objD. Base1::disp()objD. Base2::disp();return 0;}请将程序补充完整，使程序在运行时输出：Derivd:d=1 Base:b＝2 Base:b=2 Base:b=2
100Base-T的网卡可以支持100Base-TX、100Base-T4和100Base-FX标准，只支持RJ-45接口标准的网卡是 ______。A．支持100Base-TX和100Base-FX的B．支持100Base-TX和100Base-T4的C． 支持100Base-T4和100Base-FX的D．只有100Base-TX标准的
WhichofthefollowingareformsofgigabitEthernetthatrequiretheuseoffiberopticcables?() A.1000Base-CXB.1000Base-TXC.1000Base-SXD.10Base-TE.1000Base-TF.1000Base-LX
Which of the following LAN technologies is defined as fast Ethernet?() A.10Base-TB.100Base-TC.100Base-FXD.1000Base-T
10Base-2和10Base-5的区别是( )A.10Base-2使用同轴电缆，10Base-5使用双绞线B.10Base-2使用CSMA/CD，10Base-5使用优先级C.10Base-2使用总线，10Base-5使用环形D.10Base-2使用细同轴电缆，10Base-5使用粗同轴电缆
WhichtwoEthernetfiber－opticmodessupportdistancesofgreaterthan550meters?() A.1000BASE-CXB.100BASE-FXC.1000BASE-LXD.1000BASE-SXE.1000BASE-ZX
10Base2和10Base5的区别是（）A、10Base2用同轴；10Base5用双绞线B、10Base2用CSMA/CD；10Base5用优先级C、10Base2用总线；10Base5用环形D、10Base2细同轴；10Base5粗同轴
假设Child类为Base类的子类，则下面（）创建对象是错误的。A、Base base=new Child（）B、Base base=new Base（）C、Child child=new Child（）D、Child child=new Base（）；
Which of the following are forms of gigabit Ethernet that require the use of fiber optic cables？（）A、1000Base-CXB、1000Base-TXC、1000Base-SXD、10Base-TE、1000Base-TF、1000Base-LX
多选题Which two Ethernet fiber-optic modes support distances of greater than 550 meters？（）A1000BASE-CXB100BASE-FXC1000BASE-LXD1000BASE-SXE1000BASE-ZX
多选题Which of the following are forms of gigabit Ethernet that require the use of fiber optic cables？（）A1000Base-CXB1000Base-TXC1000Base-SXD10Base-TE1000Base-TF1000Base-LX