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面试准备

IBM Integration Bus 面试题与答案

问题 26. 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.

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问题 27. 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.

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问题 28. Explain the role of the 'Exception List' in IBM Integration Bus.

The 'Exception List' is a list of predefined errors and exceptions that can be handled by specific nodes, such as the Catch node. It provides a way to manage errors gracefully.

Example:

You can configure a Catch node with an exception list to catch specific errors and handle them appropriately.

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问题 29. What is the purpose of the 'Environment' and 'Configurable Services' in IBM Integration Bus?

The 'Environment' in IBM Integration Bus allows you to define and manage configuration values that can be used across message flows. 'Configurable Services' enable dynamic configuration changes at runtime.

Example:

You can use 'Environment' variables to store configuration values, and 'Configurable Services' for dynamic adjustments without redeploying message flows.

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问题 30. 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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