BPEL Interview Questions & Answers
Best BPEL Interview Questions and Answers
Dear Readers, Welcome to BPEL Interview Questions and Answers have been designed specially to get you acquainted with the nature of questions you may encounter during your Job interview for the subject of BPEL. These BPEL Questions are very important for campus placement test and job interviews. As per my experience good interviewers hardly plan to ask any particular questions during your Job interview and these model questions are asked in the online technical test and interview of many IT companies.
1. What is Business Process Execution Language (BPEL)?
Business Process Execution Language is a language that is executable for interaction specification along with Web services. The processes of BPCL will export and import information by utilizing exclusively web service interfaces.
2. Explain BPEL and workf1ow foundation?
BPEL is process-centric, where as workflow foundation is human centric.
BPEL web services based language for business process behavior which can be used for
composite web services, where as workflow foundation is a programming model for quickly
building workflow enabled applications which are user interface-centric.
3 . What is Role of BPEL?
BPEL is a language for relatively simple description of how web services are composed into business processes.
BPEL is the first of its kind. BPEL
*Allows abstract and executable processes
‘ *Gained support by Majority of companies
*Allows software to exist and similar processes can be executed and developed.
4. Explain about BPEL Orchestration and Choreography?
Orchestration:
The control over the web services that are involved and coordinating the execution of different operations on the web services invoked in the operation is taken by the central process in orchestration as per the requirements. The involved web services are unaware of this process. With operations that are explicitly defined and the order of invocation of the web services, the orchestration is centralized.
Choreography:
Choreography does not rely on a central coordinator. The web services involved in the choreography is aware exactly the execution of its operations and whom to interact with. Choreography is a collaborative effort. It focuses on messages exchange. The awareness of business process, operations to execute, messages to exchange, and the time of message exchange are needed for all participants of choreography.
5. Explain about BPEL Executable and Abstract Processes?
The exact details of business processes can be specified by executable processes. These can be executed by orchestration engine. An executable process is used in most cases of BPEL.
The public message exchange among parties is only allowed by abstract business process. The internal details of process flows do not include and are not executable.
6 . ‘What is Oracle BPEL Process Manager?
Oracle BPEL Process Manager is a BPEL engine. It is a member of Oracle Fusion middleware family of products. Orchestration disparate applications and web services are enabled enterprises by Oracle BPEL Process Manager. Quick building and deploying this processing ability in a standards-based manner delivers critical functionality for developing SOA.
7. What is BPMN standard for business process modeling and analysis?
The BPMN specifies a graphical notation for expressing business processes in a Business Process Diagram. Both technical users and business users are supported for business processes using BPMN. BPMN provides a standardized, simple means of process information communication to other business users, customers, suppliers and process implementers.