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First Question: 9
Your answer is absolutely right! The answer should be: A, C, E. you can free to refer the 10.5.4 The EntityContext interface topic from ejb-2_0-final release Specification.
Second Question: 13
Your answer is absolutely wrong! The HF given answer is right: A, C, D. still you can free to refer 10.8 Primary key and 10.8.2 Primary key that maps to multiple fields in the entity bean class topics from ejb-2_0-final release Specification.
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