TIBCO Middleware Concepts 3

Question 1

What is the difference between a JMS Queue and a JMS Topic in TIBCO EMS?

Accepted Answer

Queues use point-to-point delivery; Topics use publish-subscribe delivery

Answer

A Queue delivers each message to exactly one consumer (P2P), while a Topic delivers each message to all active subscribers (pub/sub).

Question 2

In TIBCO ActiveMatrix BusinessWorks 6, what is the primary unit of deployment?

Accepted Answer

An OSGi bundle packaged as an Application Archive (.ear)

Answer

BW6 applications are packaged as OSGi-based Application Archives (.ear) deployed to the ActiveMatrix runtime.

Question 3

Which TIBCO component acts as a service registry and repository in a SOA environment?

Accepted Answer

TIBCO ActiveMatrix Service Grid

Answer

TIBCO ActiveMatrix Service Grid provides service governance including registry, policy enforcement, and lifecycle management.

Question 4

What does 'message acknowledgment mode AUTO_ACKNOWLEDGE' mean in JMS?

Accepted Answer

The session automatically acknowledges each message when the receive call returns

Answer

In AUTO_ACKNOWLEDGE mode, the JMS session automatically sends an acknowledgment to the broker immediately after a message is received.

Question 5

In TIBCO middleware, what is 'message fanout'?

Accepted Answer

Delivering the same message to multiple consumers or destinations simultaneously

Answer

Message fanout distributes a single published message to multiple subscribers or destination queues at the same time.

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