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Exam Code:
1z1-434Exam Name: Oracle SOA Suite 12c Essentials
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1z1-434 Real Exams Total Q&A: 84 Questions and Answers
Last Update: 10-28,2015
1z1-434 Exam PDF Detail: 1z1-434 Real Exams
Exam Code:
1Z0-895Exam Name: Java Platform, Enterprise Edition 6 Enterprise JavaBeans Developer Certified Expert Exam
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1Z0-895 Exam PDF Total Q&A: 90 Questions and Answers
Last Update: 10-28,2015
1Z0-895 Exam Dumps Detail: 1Z0-895 Exam PDF
NO.1 A developer needs to deliver a large-scale enterprise application that
connects developer
chooses an EJB 3.1-compliant application server, which
three are true about the EJB business
component tier? (Choose three.)
A.
Load-balancing is NOT a guarantee for all EJB 3.1 containers.
B. Clustering
is guaranteed to be supported by the EJB 3.1 container.
C. Thread pooling can
be optimized by the Bean Provider programmatically.
D. Bean Providers are NOT
required to write code for transaction demarcation.
E. Support for server
fail-over is guaranteed for an EJB 3.1-compliant application server.
F. EJB
3.1 compliant components are guaranteed to work within any Java EE 6 application
server
Answer: A,D,F
Oracle
questions 1Z0-895 certification 1Z0-895 PDF VCE 1Z0-895 Actual
Test
Explanation:
The EJB tier hosts the business logic of a J2EE
application and provides system-level services to the
business components
problems include state maintenance, transaction management, and
availability
to local and remote clients.
NO.2 A developer creates a
stateless session bean, EmployeeServiceBean, and its
interface,
EmployeeService. The session bean uses two annotated entity
classes, Employee.class and
Department.class.
Which two package options
can the developer use when creating a deployable EAR? The proposed
directory
structure is listed for each option. (Choose two)
A. Emp.ear emp-ejb.jar
META-INF/persistence.xml EmployeeService.class
EmployeeServiceBean.class
lib/emp-classes.jar Employee.class
Department.class
B. Emp.ear META-INF/orm.xml EmployeeService.class
EmployeeServiceBean.class Employee.class
Department.class
C. Emp.ear
emp-ejb.jar META-INF/persistence.cml Employee.class
Department.class
EmployeeService.class EmployeeServiceBean.class
D.
Emp.ear emp-ejb.jar persistence.xml Employee.class
Department.class
EmployeeService.class EmployeeServiceBean.class
Answer: A,C
Oracle
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NO.3 Suppose an EJB component is named HelloWorldBean is deployed as
a standalone ejb-jar.
Assuming the HelloWorldBean is implemented as
follows:
Which types of clients are guaranteed to have access to
HelloWorldBean:
A. Java EE application client container applications
B.
Java EE ejb components within the same ejb-jar
C. Java EE web-tier component
applications deployed in the same container
D. Java EE ejb component
applications deployed in the same container
Answer: B
Oracle 1Z0-895
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NO.4 Given the following
stateless session bean:
How would you change the EJB to prevent multiple
clients from simultaneously accessing the
sayHello method of a single bean
instance?
A. Convert sayHello into a synchronized method
B. Execute the
call to generateLocalizedHello in a synchronized block
C. Convert
generateLocalizehello into a synchronized method
D. Convert HelloWordBean
into a singleton bean
E. No changes are needed
Answer:
E
Oracle 1Z0-895 Bootcamp 1Z0-895 Practice
Exam
Explanation:
Reference: The Java Tutorial, Synchronized
Methods
NO.5 FooBean and BarBean are both EJB 3.x stateless session beans
with bean-managed transaction
demarcation. The business method foo in FooBean
starts a UserTransaction and invokes the business
method bar in
BrBean.
Given: What is the expected result of this method invocation assuming
control reaches Line 12?
A. FooBean.foo method receives MyAppException.
B.
The container discards the BarBean bean instance.
C. FooBean.foo method
receives a javax.ejb.EJBException that wraps MyAppException.
D. FooBean.foo
method receives javax.transaction.TransactionRolledbackException.
Answer:
D
Oracle pdf
Explanation:
The transaction will roll
back.
Note:
* In bean-managed transaction demarcation, the code in the
session or message-driven bean
explicitly marks the boundaries of the
transaction. Although beans with container-managed
transactions require less
coding, they have one limitation: When a method is executing, it can
be
associated with either a single transaction or no transaction at all. If
this limitation will make coding
your bean difficult, you should consider
using bean-managed transactions.
Reference: The Java EE 5 Tutorial,
Bean-Managed Transactions
NO.6 Given singleton bean FooEJB:
How many
distinct FooEJB bean instances will be used to process the code on the lines
101-105?
A. 0
B. 1
C. 2
Answer: B
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Explanation:
Java has several design patterns Singleton Pattern
being the most commonly used. Java Singleton
pattern belongs to the family of
design patterns, that govern the instantiation process. This design
pattern
proposes that at any time there can only be one instance of a singleton (object)
created by
the JVM.
NO.7 Which is a valid use of the EJB 3.x
TimerHandle object?
A. To retrieve all active timers associated with this
bean
B. To adapt EJB 3.x timers to EJB 2.1 and earlier timers
C. To obtain
a seralizable timer handle that may be persisted
D. To be implemented by EJB
classes that are to be registered with the timer service
Answer:
C
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