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Question 2:

Which of the following are true about N-Tier Systems?


N-Tier systems are distributed over many systems and hence always present a maintenance problem.

Since N-Tier systems do not use database stored procedures or triggers for business logic processing, they are generally very slow.

It is difficult to improve performance in N-Tier systems.

Since N-Tier systems are container based; many N-Tier systems can be easily scaled (both vertically and horizontally).

N-Tier systems suffer only from one drawback over client/server systems: N-Tier systems do not take advantage of resource sharing techniques.

N-Tier systems can use various techniques for Identification, Authentication and Authorization.