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Java Architect Certification
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Java Architect Certification Free Mock Exam

Question 1 of 20 [Application Design Concepts and Principles]

When you integrate EIS with your Java EE application you can design either synchronous or asynchronous integration. You are confused about which one to choose.
Which of the following is best suited for asynchronous integration?
Choice 1	Transaction
Choice 2	Application throughput
Choice 3	Reliable delivery

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Question 2 of 20 [Application Design Concepts and Principles]

You have completed development activities of Java EE insurance application and ready for production. During production deployment you noticed that your web server residing at DMZ, serves only static contents and other components are running in the application server.
Which of the following statements are TRUE about moving static content into a web server?
Choice 1	The inner firewall will allow only web server requests, so application server is hacker safe from internet zone.
Choice 2	Moving static content outside application server is not recommended since there will be a network traffic between web server and application server.
Choice 3	This will decrease the performance.
Choice 4	This will increase the security.

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Question 3 of 20 [Common Architectures]

What is TRUE about JAX-WS dynamic service?
Choice 1	No WSDL or XML Schema document or any other knowledge of the message layout is required to build a client.
Choice 2	WSDL or XML Schema document or any other knowledge of the message layout is required to build a client.
Choice 3	No WSDL and XML Schema document and any other knowledge of the message layout is required to build a client.

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Question 4 of 20 [Common Architectures]

Which of the following statements are TRUE about JAX-WS?
Choice 1	Invoke the remotely deployed service endpoints operation dynamically or statically by asynchronous or synchronous communication.
Choice 2	Invoke the remotely deployed service endpoints operation statically by synchronous communication only.
Choice 3	Invoke the remotely deployed service endpoints operation dynamically by synchronous communication only.

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Question 5 of 20 [Integration and Messaging]

MediKo Inc. is the leading reseller of medical drugs in the United States. They have more than 200 branches countrywide. They have a web based data tracking system for daily sales and that will be updated by the executives from all the branches. To avoid manual entry, MediKo decided to automate the data entry process from all the branches to a common database. MediKo has an online medical shop that is running on the same data tracking system. Therefore, when the online medical shop is busy, the data entry system has to wait and process later whenever the server is not busy (instant response is not required for data entry system).
What best describes the application components of MediKo′s data entry system?
Choice 1	It will be implemented as JMS
Choice 2	It will be implemented as stateless session bean
Choice 3	It will be implemented as RMI
Choice 4	It will be implemented as JNI
Choice 5	It will be implemented as CORBA

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Question 6 of 20 [Integration and Messaging]

Select the messaging model suitable when the network is not needed and messages can be queued.
Choice 1	Synchronous
Choice 2	Asynchronous

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Question 7 of 20 [Business Tier Technologies]

You are appointed as an Java EE architect for a banking application development. You want to explain the benefits of using session bean to your team.
When would you choose session beans for business tier?
Choice 1	At all time regardless of the requirements
Choice 2	To service business per client′s basis
Choice 3	To represent business entity and mapped with database table
Choice 4	To maintain state of a shopping cart web application

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Question 8 of 20 [Business Tier Technologies]

Joe working as a maintenance engineer for a financial application running on Jboss and MySQL combination. Whenever there is an additional table is added, Joe needs to recreate the EJB for deployment. Joe′s customer suggests that this should be avoided and deployment time needs to be improved whenever there occurs changes in the tables. So you decided to move SQL logics from session beans to POJO objects.
What is the technique followed by Joe in the above scenario?
Choice 1	Used a pattern named Data Access Object (DAO) to decouple the SQL logic from business logic.
Choice 2	Used a pattern named Data Object (DO) to decouple the SQL logic from business logic.
Choice 3	Used a pattern named Data Abstract Object (DAO) to decouple the SQL logic from business logic.
Choice 4	Used a pattern named Database Object (DO) to decouple the SQL logic from business logic.
Choice 5	No pattern will be used here.

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Question 9 of 20 [Business Tier Technologies]

Scenario : Signet provides web based project management application for their customers. The application uses JSP/Servlet - PL/SQL combination running on Tomcat Server and Oracle database. The system is an ASP model maintained by Signet for the past 4 years.Due to increase in number of customers, Signet wants to host the project management application in one of the reseller's server in New York for USA customers alone. One of the legal statement from Signet resellers privacy policy states that all software licenses should be purchased by the reseller to avail the reseller scheme. The issue here is, New York reseller does not have oracle license, so Signet decided to use MySQL database at New York hosting.The business team states that the application will be deployed on most of the reseller's server to increase the performance of the application. Signet is not interested any more to add any infrastructure software apart from web server and database.

What is the best solution you would recommend for Signet architecture by considering business forecast?

Choice 1

Use Signet hosting for all customers and do not use reseller's server.

Choice 2

Move all the business logics into Java layer and avoid PL/SQL, so that the application can support database portability.

Choice 3

Implement PL/SQL for MySQL database and deploy it in New York′s reseller server.

Choice 4

Use EJB components for business logic and remove PL/SQL from database.

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Question 10 of 20 [Business Tier Technologies]

One of your client wants to implement a web based Room Reservation system for a hotel. There are 22 static screens that explain about hotel history and directions and 25 dynamic screens for reservation/reports for ticket reservation. Customer details should be permanently maintained on the system for future tracking.
Select the best Java EE component for maintaining Customer details?
Choice 1	Customer is represented as Servlet
Choice 2	Customer is represented as an JPA Entity
Choice 3	Customer is represented as Stateful Session Bean
Choice 4	Customer is represented as JSP

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Question 11 of 20 [Web Tier Technologies]

You are implementing a new rich client GUI for your legacy system. The application requires to display read only data based on the search parameters.
Which of the following technologies will be used here?
Choice 1	JSF
Choice 2	DAO
Choice 3	JPA
Choice 4	Swing
Choice 5	AWT
Choice 6	SWT

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Question 12 of 20 [Web Tier Technologies]

You are developing a Java EE application that uses JSF for UI framework.
Which of the following statements are TRUE about JSF?
Choice 1	JSF will not support Java Bean
Choice 2	JSF backing beans can be unit tested outside the container
Choice 3	JSF backing beans should be tested inside container with Junit
Choice 4	JSF is not a web application framework

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Question 13 of 20 [Applicability of Java EE Technology]

You are appointed as maintenance engineer for a banking sector that run 8 different web based applications.One of your online application is undergoing downtime due to Denial of Service attacks.
What will you do for the above problem?
Choice 1	Introduce DMZ and install firewall
Choice 2	Perform a rigorous security audit
Choice 3	Move web server into DMZ
Choice 4	Use container managed security

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Question 14 of 20 [Patterns]

You have developed a data cache mechanism for your financial application and you need to serve the cached with a single instance. The class you have designed is called CacheService.
Which pattern you would choose for implementing CacheService so that single instance will be maintained within the system?
Choice 1	Factory
Choice 2	Command
Choice 3	Singleton
Choice 4	AbstractFactory

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Question 15 of 20 [Patterns]

During the screen analysis, one of your colleague states that instead of having static header table and footer table in all the pages, JSP include can be used to promote future upgradation.
What best pattern describes the above scenario?
Choice 1	No pattern suitable here
Choice 2	Composite View
Choice 3	MVC Pattern
Choice 4	Front Controller

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Question 16 of 20 [Patterns]

Select the pattern used to handle multiple client requests with fewer objects.
Choice 1	Façade
Choice 2	Flyweight
Choice 3	Builder
Choice 4	Bridge

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Question 17 of 20 [Patterns]

You want to use a common lookup service for your EJB application.
Which pattern you would use here?
Choice 1	JNDI
Choice 2	Service Activator
Choice 3	Service Locator
Choice 4	Façade

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Question 18 of 20 [Security]

Which of the following statements are TRUE with respect to Java Applet?
Choice 1	Read but not modify some system properties
Choice 2	Read and modify some system properties

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Question 19 of 20 [Security]

You are trying to connect your laptop from your home to the office network but unable to connect due to some error. Your colleagues Joe and Pop are able to connect successfully who are residing nearby each other.
What might be the possible reason in the above scenario?
Choice 1	Your company′s firewall is filtered based on port numbers
Choice 2	Your company′s firewall is filtered based on IP
Choice 3	Your company′s firewall is filtered based on user names
Choice 4	Your company′s firewall is filtered based on port numbers

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Question 20 of 20 [Security]

Scenario : Arnold and Steven are working as Java SE Developers in EPractize Labs Product development activities. All the JAR files of the EPractize Labs Products are signed by a third party vendor certificate.Arnold wants to add new classes in the existing JAR file that was already signed by a 3rd party vendor certificate.

Select the correct choices for adding new files in a JAR file that was already signed by a 3rd party vendor certificate.

Choice 1

No way to add new files

Choice 2

We can add new files without invalidating the signature

Choice 3

The internal files that have been added would not be signed

Choice 4

Adding the new files will throw Security Exception

Choice 5

None of the above

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