The dte or endpoint device for a leased line is known as which device below?
a.
csu/dsu
b.
isdn modem
c.
cable modem
d.
dsl modem

4. what is the reason for including the following code snippet in the header file animal.h? #ifndef animal_h #define animal_h class animal { public: animal(); animal(double new_area_hunt); void birth(); void hunt(double new_area_hunt); void death(); double get_area_hunt() const; private: double area_hunt; }; #endif