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doubt in the mock question

 
Shanmugam Karthikeyan
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Posts: 58
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1. Which will survive an EJB server crash? (choose all that apply)

A) Stateful session bean instances
B) Stateless session bean instances
C) Message-driven bean instances
D) An entity bean's primary key
E) An entity

ans given : d
my answer : e - why an entity cannot survive an EJB server crash
 
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