LTE中Sfe接口Diameter傳令链路配置参数包括()
A.本端主机名
B.本端域名
C.对端主机名
D.对端域名
参考答案:A, B, C, D
设全集U={x|x≤8,x∈N+},若A∩(CUB)={1,8},(CUA)∩B={2,6},(CUA)∩(CUB)={4,7},则( )
A.A=1,8,B=2,6
B.A={1,3,5,8},B={2,3,5,6}
C.A=1,8,B=2,3,5,6
D.A=1,3,8,B=2,5,6
有以下程序: #included<iostream> using namespace std; class Base { public: Base( ) { x=0; } int x; }; class Derived1:virtual public Base { public: Derived1( ) { x=10; } }; class Derived2:virtual public Base { public: Derived2( ) { x=20; } }; class Derived: public Derived1,protected Derived2 { }; int main( ) { Derived obj; cout<<obj. x<<endl; return 0; } 该程序运行后的输出结果是______。