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Exam Code: 1Z0-147
Exam Name: Oracle9i program with pl/sql
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Exam Code: 1Z1-054
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NO.1 With the release of a new product line, there has been a significant increase in the volume of
transactions on your web site. You need to scale your application and manage session failover. What is
the best option for scalability?
A. Add additional web servers and application servers
B. Introduce a High Availability pair and utilize sticky sessions
C. Add additional application servers and implement DNS round robin
D. Add additional application servers and use clustered HttpSession
Answer: D

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NO.2 A Java web component, EJB component, or another web service can be a client to a web service.
Which Java API can the client use to access the web service through a Service Endpoint Interface?
A. JAXB
B. JAXR
C. JDBC
D. JAX-WS
Answer: D

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NO.3 An online sporting goods store's web application uses HTTPSession to store shopping carts.
When the application is initially deployed, the business plan predicts only a few customers will access the
site. Over time, the store projects a steady increase in volume. The deployment plan calls for a single web
container in the initial deployment. As demand increases, the plan calls for multiple web containers on
separate hardware with clustered HTTPSession objects. Which two principles will help the application
meet the requirements and optimize performance? (Choose two.)
A. The application should store as much as possible in HTTPSession objects.
B. The application should NOT make frequent updates to HTTPSession objects.
C. The application should make coarse-grained updates to HTTPSession objects.
D. The application should create new HTTPSession objects instead of updating existing objects.
Answer: B,C

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NO.4 You are writing a utility that searches for existing web services provided by large companies through
UDDI. Your web site allows the user to input search criteria using event-driven, state managed GUI
screens, performs the search, and displays them in a formatted HTML page. Which technologies would
you use for this application?
A. JSP and JAXB
B. JSF and JAXR
C. JSF and JAX-WS
D. JSP and JAX-WS
Answer: B

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NO.5 What is an advantage of XML over HTTP, as compared to SOAP over HTTP, for web services?
A. Guaranteed delivery
B. More security options
C. Smaller message size
D. Strongly typed parameters
Answer: C

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NO.6 A new security feature has been requested for an existing web application with the following
requirements:
All requests must be logged to a secure database.
Each request must be time-stamped with the start and completion times.
Each request must contain the IP address of the client that made the request. Which pattern is most
applicable for this new feature?
A. Strategy
B. Front Controller
C. Abstract Factory
D. Intercepting Filter
E. Model View Controller
Answer: D

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NO.7 Your new architecture needs to access the business logic of an Enterprise Information Solution (EIS).
What are three benefits of using the Java Connector Architecture to connect to EIS instead of
implementing a proprietary solution? (Choose three.)
A. Security
B. Performance
C. Loose coupling
D. Connection pooling
E. Common Client Interface
Answer: A,D,E

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NO.8 What are the three primary roles in a web service interaction? (Choose three.)
A. Broker
B. Facade
C. Provider
D. Decorator
E. Requestor
F. Interceptor
Answer: A,C,E

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