SECA pratice question
What statements are true about a three tier system when compared to a two tier system? Select two choices
A. A three tier system has thin clients whereas a two tier system will always have thick clients.
B. A three tier system is easier to manage than a two tier system.
C. A three tier system is easier to secure.
D. A three tier system can be both vertically and horizontally scaled whereas a two tier system can only be horizontally scaled.
E. A three tier system is more extensible than a two tier system.
true answer given are A and E, but what i am thinking is .. A is not correct answer please friend light on it..
thank you