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1) What is SOA?
Service Oriented
Architecture (SOA) is used to develop Enterprise applications by using a
collection of services which communicates each other. Service-Oriented
Architecture (SOA) is a set of principles and methodologies for designing and
developing software in the form of interoperable services.
2) What are
dspMaxThread and recieverThread properties? Why are they important?
Receiver Threads
property specifies the maximum number of MDBs that process Async across all
domains. Whereas the dspMaxThread are the maximum number of MDBs that process
Async and threads that operate across a domain. So, we need to ensure that the
dspMaxThread value is not greater than Receiver Threads.
3) What is the
difference between 10g and 11g?
SCA architecture was
followed in 11g and not in 10g
In 11g you can put
all your project SOA components in composite.xml file and deploy as a single
deployment unit to single server, where in 10g you have to deploy each
component to the respective server (i.e. ESB to ESB server, BPEL to BPEL
Server)
Basically all the
SOA components like BPEL, ESB (Called Mediator in 11g), & OWSM are brought
into one place in 11g using SCA composite concept.
The major difference
between 10g & 11g would be the app server container. 10g by default runs
onOC4J while 11g runs on Web logic Server.
In 10g every BPEL is
a separate project, but in 11g several components can make 1 project as SCA.
In 10g consoles are
separate for BPEL and ESB, but in 11g Enterprise Manager contains all.
In 10g BAM and
business rules are outside SOA Suite, but in 11g they are in SOA Suite.
4) Is Oracle SOA
same as Oracle Fusion Middleware?
No because SOA is
one of the parts in Fusion middleware and SOA behaves like user interface where
as Fusion is big platform
5) What is SCA?
Service Component
Architecture (SCA) provides a programming model for building applications and
systems based on a Service Oriented Architecture. SCA is a model that aims to
encompass a wide range of technologies for service components and for the
access methods which are used to connect them.
6) What is the SOA
Suite 11g Components?
Oracle Adapters
Oracle Mediator
Business Events and
Events Delivery Network
Oracle Business
Rules
Human Workflow
Oracle Business
Activity Monitoring
Oracle Enterprise
Manager
7) What is
choreography? How does it differ from orchestration?
In choreography
there is no business process to control the integration between the systems;
each system will directly integrate with one another in sequence where as in
Orchestration there is a business process which controls all the services
(source/Target) which is part of the integration.
8) Principles of
SOA?
Loose coupling
Re-usability
Interoperability
Flexible
9) What are the
different design patterns in SOA?
Synchronous
Asynchronous Fire and
Forget
Asynchronous Delayed
Response.
10) In how many ways
can a process be deployed?
Using Jdeveloper
Through Enterprise
Manger Console
Through Weblogic
Scripts.
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