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Question on Environment Entries

 
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Which of the following statements regarding an enterprise bean's environment are correct? [Select all correct answers]

1)The container provides the tools that allow the deployer to create and manage the enterprise bean's environment.
2)Enterprise bean instances can modify the values of the environment entries at runtime.
3)The deployer sets and modifies the values of the environment entries by editing the enterprise bean's deployment descriptor.
4)Enterprise bean instances obtain the values of the environment entries from the enterprise bean's deployment descriptor.
5)Enterprise bean instances use the JNDI interfaces to obtain the values of the environment entries.

I thought the answers were 3,4,5
But the correct answers given are 1,5.

Can someone please explain?
 
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