Free IBM MQ v9.4 Administrator - Professional Practice Questions

Sample Practice Questions

Try these 10 sample questions from the IBM MQ v9.4 Administrator - Professional practice bank. Each includes the answer and explanation. Continue with the interactive practice above to review the full question set.

1. 1A multi-instance queue manager has a running active instance and a ready standby instance. If the active instance fails and failover succeeds, what happens to the standby?

   1. A.It takes over as the active instance of the same queue manager.Correct answer: A
   2. B.It is already active concurrently with the original before the failure.
   3. C.It remains standby until the failed instance resumes as active.
   4. D.It creates an independent queue manager with a different identity.

   Explanation: The study guide describes the architecture as "Active-Standby, without clusters" and states "Automatic failover available". The standby takes over the same queue manager, rather than supplying cluster routing or creating independent managers.

   Reference: IBM C1000-200 Study Guide — Page 3, section 1.1, Understand High Availability Options

2. 2After installing IBM MQ on Linux, which operation accepts its license beyond the current shell session?

   1. A.Run mqlicense -accept.Correct answer: A
   2. B.Run dspmqlic to display the license.
   3. C.Set MQLICENSE=accept for the session.
   4. D.Run mqlicense.sh from the installation media.

   Explanation: IBM's post-installation procedure specifies "mqlicense -accept". It also says environment-variable acceptance is "only valid for the current session" and warns that the installation-media script is for pre-installation acceptance.

   Reference: Installing and migrating IBM MQ — Page 107, Accepting the license on IBM MQ for Linux

3. 3In an asynchronous message-queuing design, what can happen if the receiving program is not running when a message is sent?

   1. A.The message can remain on a queue until the receiver processes it.Correct answer: A
   2. B.The sender must wait for the receiver to start before placing the message.
   3. C.The receiver must be active to create the sender's message.
   4. D.The sender and receiver must share one process to exchange the message.

   Explanation: IBM says "Programs that receive messages need not be running at the time that messages are sent to them. The messages are retained on queues." Queuing decouples the programs in time.

   Reference: IBM MQ Technical overview — Page 7, Introduction to message queuing, benefits

4. 4Which queue manager attribute refers to the AUTHINFO object used for connection authentication?

   1. A.CONNAUTHCorrect answer: A
   2. B.CHCKCLNT
   3. C.AUTHTYPE
   4. D.ADOPTCTX

   Explanation: IBM states: "On a queue manager object, the CONNAUTH attribute can be set to the name of an authentication information (AUTHINFO) object." The other attributes are associated with authentication configuration within the AUTHINFO object.

   Reference: Securing IBM MQ — Page 79, Connection authentication: Configuration

5. 5The IBM MQ Console becomes unresponsive with long command delays for a queue manager. Which required component should be checked?

   1. A.The queue manager's command serverCorrect answer: A
   2. B.The queue manager's dead-letter handler
   3. C.The application's trigger monitor
   4. D.The queue manager's accounting consumer

   Explanation: IBM warns: "Do not disable the command server on any of your queue managers when you use the IBM MQ Console." If disabled, the console becomes unresponsive and commands experience long delays.

   Reference: Administering IBM MQ — Page 89, Administration using the IBM MQ Console

6. 6On IBM MQ for z/OS, what happens when an active log fills with archiving enabled?

   1. A.It is reused without an archive copy of its contents.
   2. B.Its contents are copied to an archive data set.Correct answer: B
   3. C.An archive is created only after all active logs have wrapped.
   4. D.Its records are kept only in the active data set and never archived.

   Explanation: IBM states: "when an active log fills a copy is made in an archive data set". The archive retains log data for longer-term recovery; it is not a message queue.

   Reference: IBM MQ Technical overview — Log files in IBM MQ for z/OS, What is a log file

7. 7On IBM MQ for z/OS, what protection does an AMS integrity policy provide?

   1. A.It encrypts the message without providing a signature.
   2. B.It encrypts and signs the message together.
   3. C.It signs the message to detect modification without encrypting its text.Correct answer: C
   4. D.It authenticates a TLS channel but leaves message integrity unchecked.

   Explanation: IBM says "Integrity provides detection of message modification, but the message text itself is not encrypted." Privacy combines signing and encryption, while confidentiality encrypts.

   Reference: Securing IBM MQ — Page 676, Using certificates with AMS on z/OS

8. 8Which storage design characterizes an IBM MQ replicated data queue manager high-availability configuration described in the C1000-200 study guide?

   1. A.Shared queue data on an NFS volume for two instances
   2. B.Synchronous data replication over three servers without shared storageCorrect answer: B
   3. C.A shared coupling facility for a z/OS queue sharing group
   4. D.An active and standby appliance pair using one NFS volume

   Explanation: For replicated data queue managers, the guide specifies "Synchronous data replication over 3 servers" and "No shared storage". Shared NFS and a z/OS coupling facility describe different architectures.

   Reference: IBM C1000-200 Study Guide — Page 3, section 1.1, Understand High Availability Options

9. 9After setting an IBM MQ installation environment on Linux, which command checks the expected product version and installation name?

   1. A.dspmq
   2. B.dspmqverCorrect answer: B
   3. C.dspmqtrc
   4. D.dspmqrte

   Explanation: IBM instructs the administrator to run "dspmqver" and check that "the expected version number and installation name are returned". The other commands display queue managers, format trace, or trace message routes rather than report the installation version.

   Reference: Installing and migrating IBM MQ — Page 139, Verifying a local server installation using the command line on Linux, Procedure step 2

10. 10In store-and-forward messaging, how is a message handled at an intermediate node until the system is ready to forward it?

    1. A.It is stored at the intermediate node until forwarding is possible.Correct answer: A
    2. B.It is discarded at the intermediate node while forwarding is delayed.
    3. C.It must remain only at the sending application until final delivery.
    4. D.It is acknowledged as delivered to the final receiver before forwarding.

    Explanation: IBM states that "messages are stored at intermediate nodes until the system is ready to forward them". This store-and-forward behavior is separate from direct synchronous invocation.

    Reference: IBM MQ Technical overview — Page 5, Introduction to message queuing