Srivastava Praveen

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since Aug 14, 2007
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Recent posts by Srivastava Praveen

After waiting of 2 weeks, I got my result. Thanks a lot to Java Ranch.

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Test: Sun Certified Enterprise Architect for Java 2 Platform Enterprise Edition Technology Part II (310-061)
Date Taken: 2008-07-10 22:59:46.583
Grade: P
Score: 90
Comment: n/a 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) ...................... 40
Sequence/Colloboration Diagrams (12 maximum) ........ 11
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- Praveen
13 years ago
Declarative authorization improves manageability and it is flexible in adding new role in the application. So we can say that delcarative authorization improves flexibility.

Can I say that declarative authorization improves maintainability ? I feel maintainability is better for declarative authorization than programmatic authorization as addition or removal of new role is easier in declarative authorization and have less chances of flaws while adding new role.

Please suggest
Praveen
I want my login page as requirement may be to use some more information to authenticate the user apart from userid and password. For example, if user fails to login twice, system may ask to provide some information for login. In form based declarative authentication, I can have only userid and password.

I want declarative authentication because currently application is in initial stage and will grow in future to add more roles. So if we have declarative authorization, then code change will not be required.

Please suggest.

- Praveen
Can we develop an application where we can use programmatic authentication that means we develop login page and ejb to implement authentication. And declarative authorization that means use deployment descriptor for role information and authorization.

Please suggest.

- Praveen
I am preparing for SCEA-Part II. In one scenario, I have sesion facade which is stateless session bean. Now I want to call another class from session facade to do the rest of task. What type of class should I create to help session facade and code rest of business logic. Should I go for statelss session bean or simple java class to code business logic? Please suggest.

Thanks
Praveen
We are using roguewave connection pool in our application. Lot of inactive session is getting created in Oracle V$session table. Once count increases to 500 inactive session, we need to delete all rows from the v$session table in order to get our application working.

What can be done in order to stop creation of inactive session in Oracle v$session ? Is there any issue with roguewave connection pooling mechanism. Checked the application code and didn't find any issue. All connection is released to pool after being used.

Thanks in advance.
Praveen
Hi

If airlines goes from A->B->C, then there are 2 flight and 2 segment, that is A->B and B->C. In this fashion both are same ?

I am planning to store booked seat information of customer in segment class. Please let me know whether I am correct ?
how can we decide the number component diagram ? does it depend on number of use case or scenario ?
I am planning to appear in part-3 by Feb 20th and normally it takes a month for result to come out. My concern is that in case, I fail in part - 2/3 then how can I take part-2 and 3 again, as last date for buying the voucher is Feb 29th. Please suggest.

Regards,
Praveen
Is Reverse Proxy load balancer example of Hardware load balancer ?
Hi Shanmugam,

Is EPractize helpful in preparation of SCEA-1 ? I am planning for SCEA-1 and planning to buy the tool. Please suggest.

-Praveen
I found this question in one of the Mock test.
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You are developing an online shopping store for an art gallery. The company aims to bring fine art to the masses and expects a huge volume of traffic through the site. The site allows customers to pay for goods and arrange delivery methods using credit cards. You have read through the requirements and have a rough design in your head. Which of the following is the most appropriate rough design for this site?

AHave an Entity Bean to represent the customer. Use a Servlet to manage the users session and use BMT to manage the transactions.
BHave an Entity Bean to represent the customer. Use a Stateful Session Bean to manage the users session and use BMT to manage the transactions.
CHave an Entity Bean to represent the customer. Use a Servlet to manage the users session and use CMT to manage the transactions.
DHave an Entity Bean to represent the customer. Use a Stateful Session Bean to manage the users session and use CMT to manage the transactions.

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As per my understanding correct answer should be D. But as mock test, C is correct answer. Please suggest.
I would like to appear in SCEA. Do any one have experience with SCEA Exam EPractize Labs for part-1,2 & 3? Is it worth buying the product?

Thanks
Praveen