IBM Assessment: IBM WebSphere MQ V7.0, Solution Design Sample Questions:

1. A WebSphere MQ client application is sending messages to a central server which will later be processed in batch. Given that all information is stored only in a central location, what is the best way of designing such communication? The application:

A) sends updates and the server should send acknowledgement messages. The applicationshould wait for them in the same thread that sent the update messages.
B) sends updates and the server should send acknowledgement messages. The applicationshould wait for them in a separate thread.
C) publishes the messages to a topic defined by the server application.
D) puts messages to a server queue, and no acknowledgement from the central application isrequired.

2. A client application is subscribing to as many as five different topics (no wildcards are possible). Given that the number of client applications may vary and subscriptions are not durable, what is the best option for creating a subscription?

A) Create a temporary dynamic queue and use MQSUB with the list of topic names separated bycommas and stored in the ObjectString field of the MQSD structure.
B) Create a temporary dynamic queue and call MQSUB for each topic.
C) Use MQSUB with the MQSO_MANAGED option for the first topic and subsequent calls withMQSO_ALTER for other topics.
D) Use MQSUB with the MQSO_MANAGED option and the list of topic names separated bycommas and stored in the ObjectString field of the MQSD structure.

3. If a series of exceptions is thrown for a WebSphere MQ JMS program, which of the following is typical?

A) The WebSphere MQ Reason and Completion code will not be reported in the exceptions.
B) The exceptions at the top of the list will be more general, and subsequent exceptions willprovide more detail about the cause of the problem.
C) The order in which the exception messages are shown is random and cannot be relied on.
D) The most detail about the cause of the problem should be found in the exception at the top ofthe list.

4. A solution designer has requested that several queues on a z/OS queue manager be defined with index type set to message ID, i.e., INDXTYPE(MSGID). Why would a designer use this setting?

A) It ensures that any new MSGIDs are unique as well as making the retrieval of messagesbased on message ID more efficient.
B) It allows MQGET commands to have significantly improved performance when gettingmessages by message ID.
C) The queue manager will keep an index of MSGIDs that have already been used to make surethat the message ID is unique when a new message is put.
D) It creates a permanent index of MSGIDs that are currently in use for this queue.

5. When designing test scenarios for pre-production testing, it is good practice to closely match the production environment in its metrics in order to produce realistic runtime behavior. In this context, which of the following statements about WebSphere MQ logging capability BEST describes the role that logging considerationsIn this context, which of the following statements about WebSphere MQ' logging capability BEST describes the role that logging considerations play in quality assurance or user acceptance testing?

A) It is important to run with exactly the same logging style and log file sizes as in production inorder to properly test the application behaviorIt is important to run with exactly the samelogging style and log file sizes as in production in order to properly test the application'sBehavior regarding the use of log space.
B) Even with identical logging parameters it is difficult to simulate the exact load on the loggingsystem, since the actual requirements are accumulated across all concurrently runningapplications, including channels.
C) As long as the same logging method (circular or linear) is used as in the productionenvironment, there will be no problems; the logging algorithms can handle unexpected loadsgracefully.
D) Since changing the log file sizes requires a rebuild of the queue manager it is recommended tocreate the QA queue managers with as large a log space allocation as possible.

Solutions: