IBM Integration Bus Interview Questions and Answers
Experienced / Expert level questions & answers
Ques 1. How does IBM Integration Bus handle error handling and exception scenarios?
IBM Integration Bus provides error handling through the use of specialized nodes like Throw, Catch, and Trace nodes to manage exceptions and errors.
Example:
A Catch node can be used to catch specific errors and take appropriate actions.
Ques 2. How does IBM Integration Bus support security in message processing?
Security can be implemented using Security Profiles. They allow you to configure authentication, authorization, and encryption settings for message flows.
Example:
A Security Profile can be applied to restrict access to specific message processing components.
Ques 3. How can you handle transactions in IBM Integration Bus?
Transactions can be managed using Transaction Nodes. They provide a way to group message processing nodes into a transactional unit.
Example:
A Transaction Node ensures that either all or none of the nodes in the transaction are executed.
Ques 4. What is the purpose of the 'Committed' and 'Uncommitted' modes in IBM Integration Bus transactions?
In 'Committed' mode, a transaction is completed successfully, and changes made by the transaction are permanent. In 'Uncommitted' mode, changes are temporary until the transaction is committed.
Example:
A Transaction Node can be configured with the desired mode based on the transaction requirements.
Ques 5. How can you handle large messages in IBM Integration Bus?
Large messages can be handled using the Large Message Support (LMS) feature. It allows you to split large messages into smaller fragments for processing and reassemble them later.
Example:
LMS can be configured in the Input and Output nodes to handle messages that exceed a specified size.
Ques 6. How does IBM Integration Bus handle message versioning and backward compatibility?
Message versioning is managed using message sets. By defining version-specific structures within a message set, IBM Integration Bus can handle different message versions and maintain backward compatibility.
Example:
You may create a new version of a message set without affecting existing message flows, ensuring smooth upgrades.
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