Introduction to Oracle SOA Interview Questions and Answers
Oracle SOA – Service Oriented Architecture is a software suite developed by Oracle Corporation which is a part of Oracle Fusion Middleware Software Product. The different features covered by the Oracle SOA Suite product are deploying, administering and managing the SOA services. SOA enables interaction or integration of multiple cross-platform and cross-technology applications easily and effectively with low cost and maintenance. The different components available in the Oracle SOA Suite are such as Oracle Service Bus (OSB), Oracle BPEL Process Manager, Oracle Event Processing, Oracle Business Rules, Oracle Web Services Manager, Oracle Enterprise Service Bus, Oracle Business Activity Monitoring, and Oracle JDeveloper. The latest version of the Oracle SOA Suite is 12c which is the industry’s current best application integration and SOA solution suite.
Now, if you are looking for a job which is related to Oracle SOA then you need to prepare for the 2019 Oracle SOA Interview Questions. It is true that every interview is different as per the different job profiles. Here, we have prepared the important Oracle SOA Interview Questions and Answers which will help you get success in your interview.
In this 2019 Oracle SOA Interview Questions article, we shall present 10 most important and frequently asked Oracle SOA interview questions. These questions are divided into two parts are as follows:
Part 1 – Oracle SOA Interview Questions (Basic)
This first part covers basic Oracle SOA Interview Questions and Answers
Q1. What is SOA and explain its architectural benefits?
SOA is the acronym for Service Oriented Architecture and is useful in developing the integration plugins or services for the integration of different cross technological or cross-platform applications. SOA architecture has several benefits such as the development of loosely coupled components, easy reconfiguration of the existing services, reusing the existing SOA services without affecting the business functionalities, Ensures Data Confidentiality and Security, Better Maintenance and Flexibility of maintaining the services.
Q2. What are the different components involved in the SOA Architecture?
The different components present in the SOA Suite are as below–
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- Process Layer or Orchestration layer
- Access Framework
- Business Activities Monitoring
- Operational Data Stores
- Partners, Suppliers, and Customers
The above all components are not exhaustive and also include several other components which are important such as it maintains loosely coupled components which are essential for the better performance and higher availability.
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Q3. What are the different types of Services available in SOA?
The different types of Services available in SOA Service-oriented Architecture are SOAP and REST-based which are explained as below :
SOAP-Based: The SOAP (Simple Object Access Protocol) based services are exposed as XML (Extensible Markup Language) based message format. These XML messages are generated based on WSDL standards where WSDL is Web Services Description Language used to define the SOAP Web Services Standards.
REST-Based: The REST based or RESTful based Web Services are exposed as JSON format by using the HTTP communication protocols with different methods such as GET, HEAD, POST, PUT, DELETE, CONNECT, OPTIONS and TRACE. WADL (Web Application Description Language) describes the REST services similar to that of WSDL. SOAP UI tool or Postman UI tool can be used for testing the SOAP and REST Web Services respectively and SOAP UI can be used for both types.
Q4. What are the important features of Oracle Service Bus (OSB) component in SOA Suite?
This is the basic Oracle SOA Interview Question asked in an interview. The key features of the Oracle Service Bus component are as below –
- Multiprotocol Messaging Support
- Message Brokering
- Content-Based Routing
- Service Switching
- Service Bus Security
- Message Security, Identity, Authorization, and Authentication
- Service Discovery
- Resource Cache
- Messaging protocols such as HTTPS, SOAP, SMTP, JMS, FTP, File, MQ, Tux etc.,
- Dynamic Transformation
- Error Handling
- Change Center
Q5. What are the core features of SOA suite component Oracle Service Bus?
The core features of the Oracle Service Bus component of Oracle SOA Suite are Service Integration, Service, Security, Service Management and Service Composition. The Service Integration features are used for the functionalities such as message brokering, integrating disparate service end-points, and mediating & exposing the services for reusing purposes. Service Security features are used for the functionalities such as service authentication and authorization, message security enforcement, and user identity validation. Service Composition features are used for the functionalities such as configuring message routing logic, service configuration, message transformation, validating and for registry purposes. Service Management features are used for the functionalities such as managing service activities, monitoring and availability purposes.
Part 2 – Oracle SOA Interview Questions (Advanced)
Let us now have a look at the advanced Oracle SOA Interview Questions.
Q6. What are the different components involved in SOA Suite?
The different components present in the SOA Suite are as below:
- BPEL Process Manager
- Human Workflow
- Business Rules Adapters
- Adapters such as File, JMS (Queue and Topic), AQ, DB Adapter Business Events
- Events Delivery
- Network Complex
- Event Processing
- BAM (Business Activity Monitoring)
- Oracle ESB/OSB Oracle
- B2B, OWSM and JDeveloper IDE
Q7. What are the different communication types used in the Oracle Service Bus for messaging purposes?
The different communication types used for the messaging paradigms in Oracle Service Bus architecture are Synchronous request/response, Asynchronous publish one-one, Asynchronous publish one-many, and Asynchronous request/response (synchronous-to-asynchronous bridging).
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Q8. What is the different message transformation features available in Oracle Service Bus in SOA Suite?
The different messaging transformation features of the Oracle Service Bus in SOA Suite are as below –
- Validating the incoming messages against different schemas
- Selecting a target service or different services, based on the messaging content or such as message headers
- Transforming the messages based on the target services
- Transforming the messages based on the XQuery or XSLT
- Supports the transformations on both XML and MFL message formats
- Message enrichment features
- Supports calls to the different Web services to gather the additional data for the purpose of transformation
Q9. What is Metadata Store in SOA Suite?
This is the most asked Oracle SOA Interview Questions in an interview. The Metadata Store Is a feature in SOA Suite 11g which is used for sharing the SOA Artifacts. This ensures the SOA Artifacts such as EBMs, XML Schemas, Fault Policies, WSDLs, Rule repositories and Service Data Objects (SDOs). The Metadata Store can be configured as either database based or file based.
Q10.What are the Decision component services in SOA?
The Decision Service Components is a rule engine which is a rule decision function in the form of a web service. The different components in Decision Service are as follow:
- Decision Rules and Decision Tables.
- Metadata that has specific rules related information.
This has been a guide to list Of Oracle SOA Interview Questions and Answers so that the candidate can crackdown these Oracle SOA Interview Questions easily. Here in this post, we have studied top Oracle SOA Interview Questions which are often asked in interviews. You may also look at the following articles to learn more –