IBM WebSphere MQ V7.0, Solution Design Set 1

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IBM WebSphere MQ V7.0, Solution Design Set 1

Which new feature in WebSphere MQ V7.0 needs to be taken into account when WebSphere MQ solutions are deployed into mixed z/OS and distributed environments?

Queue sharing groups are now available between z/OS and other platforms; however, at least one queue
manager in the group must still be hosted on z/OS. ✘ The use of WebSphere MQ Explorer for the administration of z/OS based queue managers no longerrequires a license for the Client Attachment Feature (CAF) for a limited number of users. ✘ WebSphere MQ Client applications from distributed environments can now directly connect to z/OS queuemanagers; the Client Attachment Feature (CAF) is no longer required. ✘ A WebSphere MQ Client implementation on z/OS is now available, so that full WebSphere MQ no longerneeds to be installed on all z/OS systems that want to participate in message queuing. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

An application queue is triggered for trigger type of DEPTH. Following this, what action should the job or program that was started as a result of the trigger take before it ends, so that the queue will be triggered again the next time that trigger depth (TRIGDPTH) is reached?

It needs to use MQSET or an ALTER QLOCAL command to reset triggering (TRIGGER) for the queue. ✘ It needs to reset trigger depth (TRIGDPTH) for the queue through an MQSET or ALTER QLOCALcommand. ✘ It needs to reset trigger depth (TRIGDPTH) and triggering (TRIGGER) for the queue, using MQSET or anALTER QLOCAL command. ✘ No action needs to be taken. The queue manager will create the next trigger message when the currentdepth of the queue once again reaches trigger depth (TRIGDPTH). ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

An application is required to retrieve rows from a relational database table and send them across WebSphere MQ to a remote queue manager, where a receiving application consumes them. After a successful MQPUT of a message, the corresponding row is to be deleted from the database. It is intended to run this application using the free WebSphere MQ Client. The delivery of each message is to be guaranteed. Which of the following is true about this implementation?

It cannot be done using the free WebSphere MQ Client; the Extended Transactional Client is required, since
two phase commits are needed for this solution. ✘ It cannot be done using the free WebSphere MQ Client; a local queue manager is required to support theguaranteed delivery of the messages. ✘ This solution can be implemented using the free WebSphere MQ Client, provided that the receivingapplication can recognize and handle repeated delivery of the same message. ✘ This solution cannot be implemented using the free WebSphere MQ Client; persistent messaging is notsupported by the free WebSphere MQ Client. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which of the following should generally be avoided if an application is being designed for optimal efficiency?

Make messages nonpersistent if they do not need to be recoverable. ✘ Code programs to open and close queues, or connect and disconnect from the queue manager only once, ifthe queues or connection will be used again. ✘ Bundle the data to be transmitted into as few messages as possible (e.g., rather than sendinga hundred1MB messages, send one 100MB message). ✘ Group a batch of messages within a unit of work where appropriate, so that they can be committed all atonce (e.g., get and put messages under syncpoint and commit them in groups of 10, rather than committing
them individually). ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

In designing a solution with availability in mind, the designer is considering the following two alternatives, one using a cluster queue and the other using a shared queue. In each scenario, Queue Managers QMA and QMB will both be capable of running Application A. In the first scenario, Application A will run on QMA and QMB on Windows accessing cluster queue QA. In the second scenario, Application A will run on QMA and QMB on z/ OS accessing shared queue QA. Which of the following describes the availability scenarios in the situation where QMA fails?

For Windows, the delivered messages on QA that Application A on QMA did not get to process are
available for processing by Application A on QMB ✘ For z/OS, the delivered messages on QA that Application A on QMA did not get to process are available forprocessing by Application A on QMB ✘ For Windows, messages from QA that were in flight on QMA when it failed are made available forprocessing on QMB ✘ For z/OS, messages from QA that were in flight on QMA when it failed are unavailable for processing byQMB ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

An organization has a widely distributed online environment, where applications are connected via WebSphere MQ messaging. A business requirement is brought forward that certain mission critical applications record audit trail data which is to be collected in a central location. No information can be lost. A central data warehouse must be loaded daily with this information as soon as possible after end of business. Which of the following proposed solutions is best in terms of the requirement, reliability and overall performance? The audit trail data is:

written to a file on the local file system and transmitted to the central audit trail server via reliable file transfer
over WebSphere MQ. ✘ sent as a persistent WebSphere MQ message and forwarded to the queue manager of the central serverasynchronously. ✘ inserted into a central database table via a remote access database client under control of the localWebSphere MQ transaction. ✘ inserted into a local database table under two phase commit using WebSphere MQ as the transactionmanager and a bulk update is performed at end of day. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

The topic object for the topic x/y is defined with WILDCARD=PASSTHRU. Which of the following is the most appropriate use of a wildcard for this topic?

Subscribe to topic x/y/# ✘ Publish the information to topic x/y/# ✘ Publish the information to topic x/y/+ ✘ It is not possible to use a wildcard with this topic ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Business owners want to allow an existing application to be easily portable to any of four Linux servers in their data center. For this they want the four queue managers on these servers to be changed to have the same name. What must be the response of the WebSphere MQ Solution Designer?

There is no problem. ✘ Queue managers cannot be renamed, so this can only be done by recreating the queue managers.Beyond that, there is no problem. ✘ It is possible to define queue managers with identical names in a network, but it is not recommended. ✘ It cannot be done. All interconnected queue managers must have unique names. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which one of the following is NOT a valid verb for the WebSphere MQ Bridge for HTTP?

GET ✘ POST ✘ BROWSE ✘ DELETE ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

A solution designer is looking to implement a robust failover mechanism as part of a solution, and has decided on utilizing HACMP on AIX. What must be considered when designing the application?

Application log and state information should be stored on shared disk. ✘ WebSphere MQ clustering should be utilized to cluster the queues between the two server nodes. ✘ The architecture should be designed to process duplicate transactions in cases where a failover needs tooccur. ✘ The application needs to be designed to run on multiple servers, and needs to handle heartbeats betweenapplication instances. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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