WebSphere MQ Series Interview Questions - Part 1
What are the different types of Logs in WebSphere MQ?
We have two types of Logs one is Transactional Logs and the other is Error logs
Difference between errors and qmgr errors in WebSphere MQ
Errors will contain all s/w level errors and information. Qmgr will contain all the information of qmgr objects and errors
Difference between Full & Partial repository in WebSphere MQ
A full repository will contains all the information of cluster qmgrs and other objects. Partial repository will contain all the information of the particular qmgr and other instances for communication
Where do we find the cluster information in WebSphere MQ?
We have one queuei.eSYSTEM.CHANNEL.REPOSITORY.QUEUE, In that all the cluster information will be stored
What information we have in auto define channel?
It contains a channel name, port no. And ip address that are mentioned in the receiver channel
What is the backup Queue of the QMGR?
Dead letter queue
How you set authentication in WebSphere MQ?
Using SETMQAUT, this used assign permission to the user. SETMQAUT –M QMname –n objname –t objtypr –p prinicipal –g group + all dmpqaut –m qmname –n objetname –t objecttype –p user to display set of all users given permission on the object DMPMQAUT------ to display set of all the permission for the user who are under that group
Difference between Receiver & Requester channel?
Requested and Receiver are same except that the Requester channel can starts the sender from requester side
Why do we do clustering?
Advantages of using cluster are Administration task will be reduced. load balancing and Increase resource utilization and High availability
What are the Components of the Cluster?
Classed and cluster channels SYSTEM.CLUSTER.REPOSITORY.QUEUE SYSTEM.CLUSTER.COMMAND.QUEUE SYSTEM.CLUSTER.TRANSMISSION QUEUE (Please do not disable the put or get an attribute on a cluster)
Which types of logs are using in your organization
Depending upon client requirement we are using both liner and circular logging
How do you check the status of the queue in WebSphere MQ?
Dis qs(name) type(handle)
Default path of the Error logs & Transactions logs?
In windows C:program filesibmweb spear mqlogqmgrsactive C:program filesibmweb spear mqqmgrsqnameerrors In Unix - / varmqmlogqmgrsactive Varmqmqmgrsqmnameerrors
What is MQ and what does it do?
MQ stands for MESSAGE QUEUEING. WebSphere MQ allows application programs to communicate across different platforms by using the proprietary message queuing software.
What are the advantages of the MQ?
Integration. Asynchronous process Guaranteed Delivery Scalability
What is a Message and what does it contain?
A message is a string of bytes that is meaningful to the applications that use it. Messages are used to communicate between applications. The applications can be running on the same platform, or in other platforms
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