TIBCO Messaging 2

Question 1

In TIBCO EMS, what happens to messages sent to a queue when no consumer is connected?

Accepted Answer

Messages are stored until a consumer connects and retrieves them

Answer

TIBCO EMS queues store messages persistently until a consumer connects and retrieves them, ensuring no data loss.

Question 2

Which TIBCO EMS acknowledgment mode requires the client to explicitly call acknowledge() on received messages?

Accepted Answer

CLIENT_ACKNOWLEDGE

Answer

CLIENT_ACKNOWLEDGE mode requires the application to call message.acknowledge() explicitly to confirm receipt.

Question 3

What is the role of a 'durable subscriber' in TIBCO EMS topic messaging?

Accepted Answer

It retains a subscription so messages are stored even when the subscriber is offline

Answer

A durable subscriber registers a named subscription so the server stores messages published while it is disconnected.

Question 4

In TIBCO Rendezvous, what transport mechanism does RVRD (Rendezvous Routing Daemon) provide?

Accepted Answer

Wide-area routing of messages between local networks

Answer

RVRD enables WAN (wide-area) routing by forwarding messages between separate local network segments.

Question 5

Which TIBCO EMS feature allows a consumer to receive only messages matching a specific criteria without filtering on the client side?

Accepted Answer

Message selectors

Answer

Message selectors use SQL-92 syntax applied on the broker side to deliver only matching messages to a consumer.

TIBCO - Assessment Test Practice Test