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When defining a connection factory for a JNDI binding the default value for Transport is:

  1. Client

  2. Bindings

  3. No default. The transport has to be defined explicitly

  4. None of the above
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B Correct answer
Explanation

When defining a JNDI connection factory for IBM WebSphere MQ, the default transport type is 'Bindings' mode. This provides direct in-memory communication when client and queue manager are on the same machine. 'Client' transport (TCP/IP) must be explicitly specified for remote connections.

AI explanation

When a JNDI connection factory binding doesn't explicitly specify a transport, the messaging system falls back to the in-VM "Bindings" transport, which is optimized for clients running in the same JVM/container as the resource. This avoids the overhead of a network-based transport when the client and destination are co-located.

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