Which three actions restrict the ability of a web application to scale in response to load as
additional computing resources are made available to it?
A.
Implementing core business logic in the web tier
B.
Implementing core business logic using stateless session beans
C.
Storing users’ session state in a database
D.
Maintaining users’ session state by using stateful session beans
E.
Implementing the Singleton pattern in the web tier
ADE
Ignore prev answer.
I would say CDE is correct answer.
Why not A – We can write business logic on web tier (in servlet) , that box can be scaled horizontal/vertical.
database is difficult to scale unless u have partitioning an all …. database cannot be horizontally scaled