Messaging supports which of the following two models:A Point to Point B Envelope/Letter C Publish/Subscribe D Send to List
Choices A and C are correct.
Which of the following is not true about RPC?A RPC attempts to mimic the behavior of a system that runs in one process B When a remote procedure is invoked, the caller is blocked until the procedure completes and returns control C RPC is asynchronous in nature D RPC is tightly coupled
Answer: C
What is the difference between Maintainability and Manageability in Software Engineering?A Manageability is the ability to correct flaws in the system whereas maintainability is the ability to ensure the continued health of the system. B Maintainability is the ability to correct flaws in the system whereas manageability is the ability to ensure the continued health of the system. C Maintainability deals with ensuring that the system is always reliable and accessible whereas manageability
Answer: B
Which of the following are not considered tiers in a J2EE based n-tier model?A Client Tier B Web Tier C EJB Integration Tier D EIS Tier E EIS Integration Tier F Legacy Connectivity Tier G JCA Tier
Choices C, F and G are correct.
When a client calls the create() on a Stateless Session Bean’s Remote Interface,A The newInstance() method is invoked by the container B The ejbCreate() method is called by the container C Passivated instance is activated and attached to the EJB Object D The Container takes an instance from the Method Ready Pool and attaches it to the EJB Object.
Answer: D
The container will synchronize an Entity Bean’s state with the database,A After every setXxx() method B When a client calls the ejbLoad() or ejbStore() method C When the container thinks its appropriate based on various factors including the Transactional Context. D When the connection.flush() method is called.
Answer: C
Answer: C
A browser client C1 opens an SSL session with Server S1 on port 443. C1 then opens a new browser window and opens an SSL session with Server S2 (while the SSL session with S1 is active in the other browser window.) At the same time client C2 opens an SSL session with S1 on 443 as well. Which of the following statements are false?A Client C1 cannot be engaged in two SSL connections as the same time. B S1 cannot be engaged in two SSL connections on the same port at the same time. C C1 can
Choices A and B are correct.
Which of the following statements is true about Session Beans?A All attributes of a Stateless Session bean have to be set to null prior to passivation. B All non-transient and non-serializable fields of a Stateful Session Bean have to be set to null in the ejbPassivate() method. C The container uses Passivation on Stateful and Stateless Session Beans to allow pooling and swapping which are good techniques for resource management. D Passivation only applies to Entity Beans and not to Session
Answer: B
When a call is made to a single-entity find method in an entity bean, the ObjectNotFoundException is thrown indicating that the requested entity was not found. What happens to the transaction?A It is automatically rolled back since it is an application exception. B It is not automatically rolled back since it is a system exception. C It is not automatically rolled back since it is an application exception. D It is automatically rolled back since it is a system exception. E It may or may
Answer: C
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