Killtest 310-090
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問題は定期的にアップデートしています。
これから310-090問題集 を提供します
6. Which is a Bean Provider's security-related responsibility?
A. assigns principals to roles in the application server
B. declares the role-link element in the deployment descriptor
C. declares the security-role element in the deployment descriptor
D. declares the security-role-ref element in the deployment descriptor
Answer: D
7. Which two statements about a client's reference to a session bean's remote home interface are true?
(Choose two.)
A. The reference can be passed as a method argument.
B. The reference provides the client with the IP address of the bean instance.
C. The reference provides the client with access to at least one create method.
D. A new home reference must be obtained for each new reference to a remote component interface.
Answer: A C
8. Which method from javax.ejb.EJBContext returns an object that allows a Bean Provider to demarcate
transactions?
A. begin()
B. getAutoCommit()
C. getTransaction()
D. beginTransaction()
E. getUserTransaction()
Answer: E
9. Which statement is true about a session bean's lifecycle?
A. Session beans cannot receive re-entrant loopback calls.
B. A stateless session bean's home interface can have overloaded create methods.
C. Stateless session beans can implement javax.ejb.SessionSynchronization.
D. The EJB 2.0 container can make concurrent calls to any stateful session bean instance.
Answer: A
10. Which method can be found in BOTH the EJBHome and EJBLocalHome interface?
A. getHomeHandle()
B. getEJBMetaData()
C. remove(Handle handle)
D. remove(Object primaryKey)
Answer: D
11. Which two are valid types for persistent fields in a CMP 2.0 entity bean? (Choose two.)
A. Java primitives
B. entity bean local interfaces
C. classes implementing java.io.Serializable
D. either java.util.Collection or java.util.Set
Answer: A C
13. Which two are required to properly implement a CMP entity bean class? (Choose two.)
A. Declare variables for all persistent fields.
B. Provide constructors to initialize the CMP fields.
C. Do not implement the ejbFind<METHOD> methods.
D. Provide implementation code for get and set methods to store and retrieve the persistent fields.
E. Implement ejbCreate<METHOD> methods for all home interface create<METHOD> methods.
Answer: C E
14. Which statement about EJB QL is true?
A. An EJB QL query must contain the ORDER BY clause.
B. An EJB QL query is statically defined in the ejb-jar.xml deployment descriptor.
C. Duplicate values are always removed from EJB QL query results by the container.
D. It is legal to use an input parameter in the FROM clause or the SELECT clause of an EJB QL query.
Answer: B
15. What two statements are true about EJB 2.0 container crashes? (Choose two.)
A. Entities will survive.
B. An entity bean's primary key will survive.
C. Message-driven bean instances will survive.
D. Stateful session bean instances will survive.
E. Crashes are guaranteed to be transparent to clients using entity beans.
Answer: A B
これから310-090問題集 を提供します
6. Which is a Bean Provider's security-related responsibility?
A. assigns principals to roles in the application server
B. declares the role-link element in the deployment descriptor
C. declares the security-role element in the deployment descriptor
D. declares the security-role-ref element in the deployment descriptor
Answer: D
7. Which two statements about a client's reference to a session bean's remote home interface are true?
(Choose two.)
A. The reference can be passed as a method argument.
B. The reference provides the client with the IP address of the bean instance.
C. The reference provides the client with access to at least one create method.
D. A new home reference must be obtained for each new reference to a remote component interface.
Answer: A C
8. Which method from javax.ejb.EJBContext returns an object that allows a Bean Provider to demarcate
transactions?
A. begin()
B. getAutoCommit()
C. getTransaction()
D. beginTransaction()
E. getUserTransaction()
Answer: E
9. Which statement is true about a session bean's lifecycle?
A. Session beans cannot receive re-entrant loopback calls.
B. A stateless session bean's home interface can have overloaded create methods.
C. Stateless session beans can implement javax.ejb.SessionSynchronization.
D. The EJB 2.0 container can make concurrent calls to any stateful session bean instance.
Answer: A
10. Which method can be found in BOTH the EJBHome and EJBLocalHome interface?
A. getHomeHandle()
B. getEJBMetaData()
C. remove(Handle handle)
D. remove(Object primaryKey)
Answer: D
11. Which two are valid types for persistent fields in a CMP 2.0 entity bean? (Choose two.)
A. Java primitives
B. entity bean local interfaces
C. classes implementing java.io.Serializable
D. either java.util.Collection or java.util.Set
Answer: A C
13. Which two are required to properly implement a CMP entity bean class? (Choose two.)
A. Declare variables for all persistent fields.
B. Provide constructors to initialize the CMP fields.
C. Do not implement the ejbFind<METHOD> methods.
D. Provide implementation code for get and set methods to store and retrieve the persistent fields.
E. Implement ejbCreate<METHOD> methods for all home interface create<METHOD> methods.
Answer: C E
14. Which statement about EJB QL is true?
A. An EJB QL query must contain the ORDER BY clause.
B. An EJB QL query is statically defined in the ejb-jar.xml deployment descriptor.
C. Duplicate values are always removed from EJB QL query results by the container.
D. It is legal to use an input parameter in the FROM clause or the SELECT clause of an EJB QL query.
Answer: B
15. What two statements are true about EJB 2.0 container crashes? (Choose two.)
A. Entities will survive.
B. An entity bean's primary key will survive.
C. Message-driven bean instances will survive.
D. Stateful session bean instances will survive.
E. Crashes are guaranteed to be transparent to clients using entity beans.
Answer: A B