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Cleared SCEA with 95

Biju Narayanan
Greenhorn

Joined: Dec 16, 2005
Posts: 6
I was a silent observer of this forum. The posts in the forum were the guiding lights for me to set the right strategy and approach to take for SCEA exam. It took for almost 3 months for me to clear the exams. The first part was a cake walk. The second part - assignment was not that easy to solve and it took almost two months. The result was not so bad after a one month long waiting time.

Test: Sun Certified Enterprise Architect for Java 2 Platform Enterprise Edition Technology Part II (310-061)
Date Taken: 2006-07-16 21:28:21.670
Registration Number: n78syd5016
Site: ii98
Grade: P
Score: 95
Comment: This report shows the total points that could have been awarded in each section and the actual amount of points you were awarded. This information is provided in order to give you feedback on your relative strengths on a section basis. The maximum number of points you could have received is 100, minimum to pass is 70.

Class Diagram (44 maximum) .......................... 39

Component Diagram (44 maximum) ...................... 44

Sequence/Colloboration Diagrams (12 maximum) ........ 12

Some tips for the people who are planning to take the exam:

I started with the domain model first. This is the most difficult and time consuming part of the exam. I expanded and refined the basic domain class diagram without changing any assumptions made by the analyst. The expanded domain class diagram had around 25 - 30 classes. It was a pure technology independent domain model with just the core entities and their relationships . All the class relationships were named, with direction and cardinality. There are few things which I would say the core of the problem to solve here - the relation between Flight, Segments, reservation etc.

The second step is to set a high level architecture in mind. There are certain things you should bear in mind while you design the architecture.

1. Design the application for both Web clients and Java clients. How to make it reusable.
2. Interfacing with Legacy system.
3. Scalability, Reliability and performance.
4. Security.
5. Asynchronous processing.

I did a detailed class design separate from the domain model class diagram. Adding new technology dependent class diagram will make it complicated and difficult to understand. New classes were added, with specific patterns to solve known problems. In the design I used around more than 12 patterns. The number of patterns used is not important, but the reasons for choosing it and how it could solve a problem is very important. The detailed class diagram had around 50 classes.

The class diagram was refined after modeling using Interaction diagrams. I had two diagrams to show common interactions for all use cases - The first to show interaction of Java clients and other for web clients. All the common interaction and the pattern of presentation tier interaction with business tier was shown using these two diagrams. Separate interaction diagrams was drawn for each use case with Presentation tier as actor showing all business tier interactions. Alternate cases were shown in the same diagram with red lines.

The component diagram was one big diagram with around 50 components.

The assumption document was around 7 pages , with an explanation of domain model, the objectives, the problems that needs to be resolved, patterns used etc.

The third essay exam is something very silly. You don't need to spent time to prepare at all for this.

Thanks once again to every one who posted their experience here.


Biju
wise owen
Ranch Hand

Joined: Feb 02, 2006
Posts: 2023
Congratulations!!!
Srinivas Kalvala
Ranch Hand

Joined: Oct 20, 2005
Posts: 257

Congrats Biju !
Gopi Yedla
Ranch Hand

Joined: May 25, 2002
Posts: 39
Congratulations Biju!!

Cheers,
Gopi.
Adesh Yasoda
Greenhorn

Joined: Nov 22, 2005
Posts: 17
Congratulations dude !!!

Regards,
Adesh
SCEA Part -1
SCJP
Adesh Yasoda
Greenhorn

Joined: Nov 22, 2005
Posts: 17
Congratulations dude !!!

Regards,
Adesh
SCEA Part -1
SCJP
Kaveri Das
Greenhorn

Joined: May 27, 2006
Posts: 11
Congrats dude!
Nice to see somebody from TVM.
Jatin Sutaria
Greenhorn

Joined: Dec 09, 2004
Posts: 27
Congratulations dude!

Can you share your insights regarding the framework you chose. Did you follow WAF or Struts or did you had a simplification of either.

Jatin
Samuel Pessorrusso
Ranch Hand

Joined: Jul 21, 2005
Posts: 164
Congratulations!
Biju Narayanan
Greenhorn

Joined: Dec 16, 2005
Posts: 6
I thought to use a familiar and most popular framework than re-inventing the wheel. Struts framework was used as the web application framework. In the detailed implementation class design the core classes of Struts was shown. The interaction of Struts classes was limited to the MVC interaction diagram for Web, as it is will be a repeat and redundant information to show in all Use Case interaction diagrams.
[ July 21, 2006: Message edited by: Biju Narayanan ]
sharan shetty
Greenhorn

Joined: Jun 23, 2006
Posts: 3
Congratulations!

Can you share some of your experience regarding part-1.


Regards
Sharan


Experience is a hard teacher because she gives the test first, the lesson afterward. And in the end, it's not the years in your life that count. It's the life in your years. --Abraham Lincoln
Biju Narayanan
Greenhorn

Joined: Dec 16, 2005
Posts: 6
You have to do a lot of reading for Part I. Some of the books, you might have already read. These are the books you have to go through. After reading , do the practice tests. The exam is not that tough. Refresh your understanding on CORBA services, communication protocols like JRMP,RMI-IIOP , internationalization. In Legacy system integration, there are something new like screen scrapping, Object wrappers and so on.



1. Enterprise JavaBeans, Fourth Edition (Good in EJB relation ships and
Timers)

By Richard Monson-Haefel, Bill Burke, Sacha Labourey

2. J2EE Design Patterns

By William Crawford, Jonathan Kaplan

3. J2EE Architect Handbook (Have good concepts on deployment strategies)

Deric c Ashmore

4. Designing Enterprise Applications ( Not required for the first exam)

with the J2EETM Platform, Second Edition

BETH STEARNS, INDERJEET SINGH et al

J2EE Blue Print series

5. EJB Design Patterns

Floyid

6. Mastering Enterprise Java Beans (Don't miss the communication

protocols section)

Ed Roman, Rima Patel Sriganesh

7. Sun Certified Enterprise Architect for J2EE(tm) Technology Study

Guide (Do all sample questions. It appears exaclty the same in

exam)

Mark Cade Simon Roberts.

8. UML Distilled - Martin Fowler

9. Design Patters - The famous gang of four (Erich Gamma et al)

10. UML - ( I don't remember . Will send the details later)


Sample Questions:-
-----------------
Around 400 Sample Questions
http://www.geekinterview.com/Certification-Dumps/Sun/310-051

Biju.
[ July 21, 2006: Message edited by: Biju Narayanan ]
Rahul Raj
Greenhorn

Joined: Oct 08, 2003
Posts: 1
Congrats Biju!!!

How abt a little Ruby now?

Rahul.
Santiago Urrizola
Ranch Hand

Joined: Apr 27, 2006
Posts: 172
Congratulations grate score, and thanks for sharing your comments.


Santiago Urrizola : La Plata - Argentina<br />SCEA (89%-92%)<br /><a href="http://gpitech.wordpress.com/" target="_blank" rel="nofollow">http://gpitech.wordpress.com/</a>
sharan shetty
Greenhorn

Joined: Jun 23, 2006
Posts: 3
Biju,

Thanks for the info.

Regards
Sharan
Makesh Kumar Ramakrishnan
Ranch Hand

Joined: Jan 07, 2006
Posts: 88
Congrats dude


Makesh


Makesh<br /> <br />SCJP | SCWCD | SCBCD | SCEA
Prasanna Chennupati
Ranch Hand

Joined: Feb 09, 2006
Posts: 38
Congratulations Biju.

Nice to see your great score.


Thanks,<br />Prasanna<br />SCJP1.4,SCWCD1.4,SCBCD1.3,SCDJWS,SCEA-1<br />IBM Certified Solution Developer -- WebSphere Portal V5.1(got 100%)
john hopkins
Greenhorn

Joined: Aug 03, 2006
Posts: 9
Great score.

This topic has some good links:
http://www.coderanch.com/t/154943/java-Architect-SCEA/certification/Part-Practice-Questions-Sim

Good luck
cheenu Dev
Ranch Hand

Joined: Nov 13, 2005
Posts: 276
hey great score...congrats!


cheenujunk@gmail.com
Nagendra Inuguri
Ranch Hand

Joined: Jan 08, 2004
Posts: 76
WOW. !!! Great Score !!!


SCJP SCWCD SCDJWS SCBCD5 SCEA5
 
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