Bricex Lin

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Recent posts by Bricex Lin

Hello,

I am using EPracize for SCEA Part II & III preparation. This product really impressed me with its project and architecture labs. It presents you with six mock assignments that are based on exam pattern and provides architecture solution for each assignment given. It also provides six mock exams based on Part 3 essay exam for the assignments given in the project lab. I feel it is a comprehensive kit for part 2&3 preparation. However, I feel a little inconvenient with its user interface as it requires 1024*768 display resolution but I usually use 1280*1024.

Overall, this product makes a very good impression on me. If you are looking for SCEA Part 2 & 3 exam preparation material, I feel it is what you need.

Regards,
BL
[ July 30, 2006: Message edited by: Bricex Lin ]
Has anybody ever used the "SCEA Part 2 & Part 3 Exam EPractize Labs" product, how do you think about it?
There is a statement from the CX-310-300A description:
http://www.sun.com/training/catalog/courses/CX-310-300A.xml

APIs relevant to the Assignment

The assignment requires that you have an in-depth understanding of the Java programming language and J2EE APIs. You can choose to use any released version of the J2EE APIs.

But I am not sure if anybody applied J2EE 1.4 specifications & APIs, such as web services and soa to the assignment.
I agree that this needs to be answered. Even though J2EE version is not referenced by the exam, can the technology like web services be applied to the design? Hopefully we can hear something new from Sun soon.

BL
The book will be published on October 21, 2005. you can find the book on amazon.com. On it's cover page, it says "Revised and Updated for J2EE 1.4". I am wondering if the SCEA exams are going to be updated to J2EE 1.4 recently. Does anybody know anything about this?
[ August 08, 2005: Message edited by: Brycex Lin ]
Hi,

Sun SCDJWS tests generic Java Web Services knowledge;
IBM 288 tests Java Web Services knowledge too, but it is product(Websphere and websphere studio) oriented;
IBM 141 tests XML technologies(eg.XML, DTD, XSD, ..), XML processing(DOM, SAX, ...), and XML rendering(XSLT, XPath, ...).

bl
Hi,
Could anybody share the ICE-288 Questions like the 484/287 long post?
BL
[ March 31, 2004: Message edited by: Brycex Lin ]
The answers for Q1 should be B and C.
Here is the reasons:
1. Stateful Session EJBs have a limited lifespan and are NOT intended to survive server crashes. (Keep in mind the question requires an app be as robust as possible.)
2. Systems that have JSP/servlet front-ends should use HttpSession objects to store session-oriented state on behalf of a client. For systems that do not have a servlet/JSP front-end, Stateful Session EJBs should be used to track session-oriented state similar to the way a web-based system would use an HttpSession object. This was the primary intent of Stateful Session EJBs when they were created.
3. Persistent HttpSessions can cover-up the session failover situations.
Hope this helps.
BL
[ March 26, 2004: Message edited by: Brycex Lin ]
Hi,
If EJB methods are not assigned with Transaction Attributes, what will happen when they are invoked? Is there any Default transation attribute if you did not assign a transaction attribute to a EJB method?
Thanks,
BL
Thanks Yu, here is another 2 questions I am still confused.
1. When setting up the JMS server, in a test environment which is already running message-driven beans (MDB), which of the following properties MUST be configured to correctly communicate messages to a new MDB?
A. Queue JNDI name
B. Initial state to: Started
C. Queue name
D. Connection factory JNDI name
E. Listener port name
Select 2 answers.
My answer: B and E
2. Deployment descriptorSession
bean White: security-identity use-caller-id
entitySession bean Black: security-identity run-as roleC
Entity bean Blue: nothing specified
Entity bean Yellow: nothing specified
Entity bean Green: nothing specified
Assembly-descriptor
security-role roleA
security-role roleB
security-role roleC
method-permission
roleA White <method-name>*</method-name>
Blue <method-name>*</method-name>
Yellow <method-name>*</method-name>
roleB White <method-name>*</method-name>
Black <method-name>*</method-name>
Yellow <method-name>*</method-name>
roleC Blue <method-name>*</method-name>
Green <method-name>*</method-name>
Which of the following statements are TRUE regarding this deployment descriptor?
A. A client under the identity of roleA can invoke Blue and Yellow through White.
B. A client under the identity of roleA can invoke Blue and Yellow through Black.
C. A client under the identity of roleB can invoke Yellow and Green through White.
D. A client under the identity of roleB can invoke Blue and Green through Black.
E. A client under the identity of roleB can invoke Yellow and Green through Black.
Select 2 answers.
My answer: A and D.
Could anybody show me my mistake?
Best Regards,
Brycex
The question is pretty straightforward. Just nothing to explain.
--------------------
Best Regards,
Serge Adzinets
IBM Enterprise Developer for Websphere 5.0
--------------------------------------------------
Serge,
Could you explain a little bit, since you feel the question is pretty straightforward. Your previous input means nothing, it was just time wasting for you to input.
Regards,
Brycex Lin
Two enterprise applications use a third party software (like Apache Xerces). While the actual
versions of the third party software used are different between the two applications, the name
of the JAR files across different versions is the same. To ensure proper running of these
enterprise applications, which of the following should be used in WebSphere Application
Server, V5.0 for application classloading policy ?

A. SERVLET ENGINE

B. SERVER

C. APPLICATION

D. MULTIPLE

E. SINGLE
Select the best answer.
My answer is D, but somebody said the answer is E. Could anybody explain this question? Thanks in advance.
23. Deployment descriptorSession
bean White: security-identity use-caller-id
entitySession bean Black: security-identity run-as roleC
Entity bean Blue: nothing specified
Entity bean Yellow: nothing specified
Entity bean Green: nothing specified
Assembly-descriptor
security-role roleA
security-role roleB
security-role roleC
method-permission
roleA White <method-name>*</method-name>
Blue <method-name>*</method-name>
Yellow <method-name>*</method-name>
roleB White <method-name>*</method-name>
Black <method-name>*</method-name>
Yellow <method-name>*</method-name>
roleC Blue <method-name>*</method-name>
Green <method-name>*</method-name>
Which of the following statements are TRUE regarding this deployment descriptor?
A. A client under the identity of roleA can invoke Blue and Yellow through White.
B. A client under the identity of roleA can invoke Blue and Yellow through Black.
C. A client under the identity of roleB can invoke Yellow and Green through White.
D. A client under the identity of roleB can invoke Blue and Green through Black.
E. A client under the identity of roleB can invoke Yellow and Green through Black.

I think the correct answer should be A and D.
Hi,
I'm in doubt about this question:
9. When setting up the JMS server, in a test environment which is already running message-driven beans (MDB), which of the following properties MUST be configured to correctly communicate messages to a new MDB?
A. Queue JNDI name
B. Initial state to: Started
C. Queue name
D. Connection factory JNDI name
E. Listener port name
Select 2 answers.
Answer A is obviously wrong, E seems to be wrong too, because you set up the listener port in the DD, not in the test environment.
But, you should specify both names and jndi names for both queue and connection factory. So, A, C and D are all correct
Could you show me my mistake?
[ February 09, 2004: Message edited by: Serge Adzinets ]
----------------------------------------------------------------------
B and E are correct answers. Because the JMS server is already running MDBs, so at lest a Connection Factory and a Destination (A, C and D) must have been defined.
[ March 11, 2004: Message edited by: BL ]