narasimha reddy

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Recent posts by narasimha reddy

Hi..
Instead of using encodeURL use encodeRedirectURL of the httpservletresponse object. That will even support the encoding of url with or without the browser's cookies support.
Just read this....
public java.lang.String encodeRedirectURL(java.lang.String url)
Encodes the specified URL for use in the sendRedirect method or, if encoding is not needed, returns the URL unchanged. The implementation of this method includes the logic to determine whether the session ID needs to be encoded in the URL. Because the rules for making this determination can differ from those used to decide whether to encode a normal link, this method is seperate from the encodeURL method.
All URLs sent to the HttpServletResponse.sendRedirect method should be run through this method. Otherwise, URL rewriting cannot be used with browsers which do not support cookies.

------------------
Narasimha Reddy
---------------
Sun certified Enterprise architect(Part-I)
Sun Certified Web Component Developer
IBM Certified in OOAD with UML
IBM Certified in enterprise connectivity test
Oracle Certified in SQL and PL/SQL.
Sun Certified Java2 Programmer
22 years ago
Hi,
For the first test(SQL and PL/SQL) i read only the certification guide for oracle 8i DBA by oracle press...still have to start preparing for the next paper..

Originally posted by Simon Lee:
are you planning to do Oracle 8i DBA?
What resources are you using?
Simon


passing score is 60%...

Originally posted by Moon Winter:

What is passing score for 483? 69% or 59%?
Moon


Hi,
Thanks to everyone.Today i passed enterprise architect part-I with 91%.
concepts (100%)
common architectures(83%)
legacy connectivity(100%)
ejb(88%)
ejb container model(100%)
protocols(100%)
applicability of j2ee(100%)
design patterns(80%)
messaging(100%)
internationalization(50%)
security(100%)
I prepared from following resources:
1) j2ee,ejb,jsp,servlet,jms specs from sun
2) oreilley ejb,servlets and jsp.
3) designing enterprise applications with j2ee(blueprints)
4) design patterns(cooper,GOF)
5) John's notes and all the links i found in this site.
Really once again thanks to everyone for helping to findout the resources to prepare for the exams. Recently i passed 4 other exams also.
1)IBM OOAD with UML-88%- on nov 12th
2)Oracle sql/plsql -83%- on nov 15th
3)IBM enterprise connectivity test- 68% on nov17th.
4)Sun web component developer- 86%- on dec 1st.
I could have not succeded in all these exams like this without the help of javaranch. Thank you very much.
I would like to provide help on any of these exams.

------------------
Narasimha Reddy
---------------
Sun certified Enterprise architect(Part-I)
Sun Certified Web Component Developer
IBM Certified in OOAD with UML
IBM Certified in enterprise connectivity test
Oracle Certified in SQL and PL/SQL.
Sun Certified Java2 Programmer

Originally posted by Ashik uzzaman:
Congrats Reddy! And good desections of the exam....
Any new plan now?


Thanks ashik..
yaa..i will be taking enterprise architect part I soon...
Yes. And even iterations in interaction diagram are also part of exam.
Most of the questions are very much similar in the real exam compared to the ICE test in terms of objectives. I got atleast 60% of the same type of questions in the test. And all the questions are mostly adhered to the objectives mentioned in IBM site. Regarding patterns, you can expect some question in designing using patterns mentioned in the larman's book.
There are no question on history or languages.
Hi,
Thanks to everyone in this forum for helping in preparing for the certification. Got disappointed with the score as i expected above 90%. The exam was bit easy, provided you have gone through the API very well and know about each and every element in the deployment descriptors. I prepared from follwing books/resources.
1) Sun spesc (Servlets and JSP)
2) Orielly Servlets & JSP
3) Kens and miftah notes.
4) Javaranch mock exam
5) Mockexam created by Eduardo Cobian.
Though the last mock exam is bit tough compared to actual exam, but it will give u good idea about what type of question you can expect in the test.
This is my score splitup.
1)Servlet model- 85%
2)structure and deployment of modern servlet web apps- 100%.
3)servlet container model - 80%
4)serverside exceptions-100%
5)Session management- 75%
6) secure web apps- 75%
7) threadsafe servlets- 100%
8) jsp model- 87%
9) Reusable web components- 100%
10)jsp using javabeans- 60%
11) jsps custom tags- 66%
12) custom tag library- 100%
13) design patterns -100%.
Would be happy to provide any help regarding this test.
Thanks to everyone,

------------------
Narasimha Reddy
---------------
Sun Certified Web Component Developer
IBM Certified in OOAD with UML
IBM Certified in enterprise connectivity test
Oracle Certified in SQL and PL/SQL.
Sun Certified Java2 Programmer
Hi kyle,
As u suggested, SingleThreadModel will lead to negative performance. That is correct.
But in that servlets and jsp question, only two options are correct and i think even the last option 'initialization and destruction is supported in servelets and jsp' as u can declare jspinit and jspdestroy methods in jsp page.
Any advices what other answers are wrong???
1)
The best example can be I/O streams in java.
Normally whenever u create input or output stream, you will create bufferstream by passing the create I/O stream as parameter so that additional functionality to the stream can be provided by bufferstream.
ex.. new BufferInputStream(new InputStream(new File())).....
2) In AWT, all the decorations to the components(say borders etc) are provided through Decorator Pattern.
I hope now you got better idea about how decorator pattern works.
Hi,
These are the some of the questions from IBM ICE Enterprise connectivity test. In two sections(Assembly and deplyoment and web components developemnt) i didnt score 100%. These are my answers. Can you please guide which are wrong and what is the correct answer?
Assembly and deployment (only 1 is wrong out of 5 questions).
1) A developer buys a set of third party EJBs. Which of the following are included in the EJB .jar file?
* a) Bean classes.
* b) Remote interfaces.
* c) Home interfaces.
d) Source code.
2) Deployment-specific information for an EJB is located in:
a) the bean class's BeanInfo class.
b) the properties variable of the home interface.
*c) an XML deployment descriptor.
d) the server's ejb.properties file.

3) Which of the following MUST be declared for a CMP Entity Bean in its deployment descriptor?
*a) Bean class.
b) Database connection factory reference.
*c) Home and remote interfaces.
*d) Primary key class.

4) Transaction isolation levels in EJBs are:
*a) set by the bean developer for bean-managed transactions.
*b) set by the deployer for container-managed transactions.
*c) specified to the method level.
d) specified to the class level only.

5) In deployment descriptors, security roles and method permissions:
a) can be shared across EJBs.
*b) can utilize wildcard characters to authorize multiple methods at one time.
*c) can be defined during deployment.
*d) are mapped to actual user groups during deployment.
Web components development(3 question are wrong in this section)
1) A servlet counts the number of times it has been called using an incrementCount() method. During testing, the developer verifies that the servlet accurately counts the requests from a number of clients. Which of the following BEST explains this fact?
a) The web or application server supports activation and passivation of the servlet.
b) The HttpServlet class is designed to share state data across all its instances.
* c) The same servlet instance services all the requests.
d) The servlet doGet( ) method has been marked as synchronized.

2) When comparing servlets and JSPs, which of the following are true?
a) JSPs provide better performance than servlets.
b) JSPs may call servlets and servlets may also call JSPs.
* c) A JSP must be compiled into a servlet before it can be used.
* d) Initialization and destruction behavior is supported in both servlets and JSPs.

3) Which of the following implicit page objects are available for a JSP error page, that is, one with an "isErrorPage=true" page directive?
* a) application
b) throwable
* c) exception
* d) config

4) Which of the following are true with respect to state management in a web application?
a) Type of database ( DB2 UDB, Oracle, Sybase, or InstantDB )
* b) URL Rewriting is an alternative to using cookies.
* c) URL Rewriting does not require any client side configuration.
d) HttpSession information is available to JavaScript code in a web page.

5) Implementing the SingleThreadModel interface :
a) requires all servlet methods be declared as synchronized.
* b) guarantees that synchronization problems will never occur.
c) may have a negative impact on performance.
* d) prevents multiple HTTP request threads from accessing a single servlet instance concurrently.
6) Most web applications require logic for validating form input and determining the next page to display. Given long term maintenance and reuse objectives, what is the BEST design to implement this logic?
a) A JSP that both validates form input and determines the next page.
* b) Validate form input in a JSP and determine the next page in a servlet.
c) Validate form input in a servlet and determine the next page in a JSP.
d) A servlet both validates form input and determines the next page.
Thanks in advance,

------------------
Narasimha Reddy
---------------
SCJP2
IBM OOAD with UML
IBM enterprise connectivity test
Oracle-SQL and PL/SQL.
Hi,
This is my first post in javaranch. Though many times i visited this site thinking of asking for some info, i always ended up getting info after some search. As the information helped me a lot, even i thought of giving the information to others, rather than just getting the information from this site.
Thanks to javaranch. I passed OOAD with UML with 88%.
Development process(100%)
Requirements modeling(77%)
Architecture(85%)
Static modeling(100%)
Dynamic modeling(83%)
Design and implementation techniques(85%).
I strongly recommend UML distilled, Applying UML and Patterns and IBM ICE test. and some project experience in related areas will help you in understanding the topics better.
Enterprise connectivity test was bit tough and even i didnt prepare well like how i prepared for the first one.
Thanks,
------------------
Narasimha Reddy
---------------
SCJP2
IBM OOAD with UML
IBM enterprise connectivity test
Oracle-SQL and PL/SQL.