Free Oracle 1z0-807 Exam Questions (page: 12)

QUESTION: 15
Your development team wants to use Google Guice. A previous architect assigned this request
a low priority, citing the complexity of integration and no compel ing benefits statements from the
requesting team.
The team claims that their colleagues have achieved the integration using a pattern. This
pattern reduced the level of difficulty and risk and did not require vendor support.
Which pattern fits this description?

A. Context Holder
B. Service Starter
C. Dependency Injection Extender
D. Bean Locator
Answer(s): C
Reference: https://code.google.com/p/peaberry/

QUESTION: 16
Which statements are true about Java integration technologies?

A. Remote Method Invocation (RMI) helps to connect subsystems in a loosely coupled manner.
B. Java Message Service (JMS) helps in synchronous messaging between Java and non-Java
systems.
C. JMS helps to broadcast messages to multiple Java-based receivers.
D. Java Connector Architecture (JCA) helps to integrate with heterogeneous legacy enterprise
information systems.
Answer(s): C
QUESTION: 17
A travel company re-architects its application from a two-tier to a three-tier architecture. To see
what impact the new architecture has on its non-functional requirements (NFR), the company
intends to build a prototype based on the new architecture.
The company compares the NFR metrics associated with the new prototype against the metrics
from their original two-tier solution.
Which option is an advantage of the original two-tier solution?

A. It has better availability because it has fewer single points of failure.
B. It has better manageability because each client has its own copy of the application.
C. It has better performance because each client must use its own set of domain objects.
D. It has better scalability because each client can access the database independently of other
clients.
Answer(s): A
QUESTION: 18
Which two statements describe the contact between an Enterprise JavaBeans (EJB) container
and the EJBs that it hosts?

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