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Viewing questions 21-30 out of questions

Questions # 21:

Which two statements are true about the role of cluster master in whole server migration? (Choose two.)

Options:

There is exactly one cluster master in the cluster at a given point of time.

The cluster master must host all the pinned services in the cluster.

Any managed server in the cluster can serve as the cluster master.

A cluster master must always be different from a singleton master.

The cluster master must always be started with the node manager.

Questions # 22:

You are concerned with messages being received systematically. You designed Message-Driven beans (MDB) to guarantee the most reliable way to consume messages.

In which three scenarios would JMS always redeliver a message? (Choose three.)

Options:

when the onMessaqe() method of the MDB throws a Java error

when the transaction the MDB participates in eventually fails and rolls back

when the onMessage() method fails to acknowledge the reception of the message

when messages are not being sent as part of a transaction

when messages are non-persistent

Questions # 23:

You have an application already deployed in a production environment that needs a modification to one of its tuning parameters. Currently, that tuning parameter has a default value since there was neither a deployment descriptor used nor a deployment plan included with the application deployment. You now attempt to use the Administration Console web application to make a dynamic modification to that parameter.

Which statement is true? (Choose the best answer.)

Options:

A new deployment plan will be generated and saved at the indicated location.

The modification attempt will fail because there is no deployment descriptor included within the application.

The modification attempt will fail because there is no existing deployment plan associated with the application.

A new skeleton plan.xml will be generated if a plan folder is detected with the deployed application.

Questions # 24:

You are creating a Domain Template to simplify the process of deploying a domain across multiple hosts.

Which five types of information can be included in a Domain Template? (Choose five.)

Options:

domain configuration, those included in the config.xml file

Java Enterprise Edition (Java EE) applications and shared libraries

Windows and UNIX server start scripts

Windows Start menu entries

custom folders and files

LDAP data

JTA log

Questions # 25:

Which three considerations do you need to keep in mind while configuring a JMS file store in order to ensure the highest possible performance? (Choose three.)

Options:

Privilege local disks over remotely mounted disks.

Compress the file store when there are no more messages.

Select the cache-flush synchronous write policy.

Dedicate one disk for all file stores.

Set MessagesMaximum in your JMS destinations.

Questions # 26:

Review the following WLST commands.

Question # 26

What happens when these commands are executed? (Choose the best answer.)

Options:

A diagnostic module named mymodule is created in the domain configuration file and it is enabled on cluster1.

A JMS module named mymodule is created without changing the domain configuration file and it is enabled on cluster1.

A diagnostic module named mymodule is created without changing the domain configuration file and it is enabled on cluster1.

A JMS module named mymodule is created in the domain configuration file and it is enabled on cluster1.

Questions # 27:

Your WebLogic domain is experiencing a problem. You want to use the WebLogic Diagnostic Framework (WLDF) to diagnose the problem. You have a support case open with Oracle Support, and they have requested a diagnostic image of your server that is experiencing the problem.

The problem is not predictable or reproducible on-demand, but you noticed that the number of requests waiting to execute increases dramatically when the problem does occur. The problem also seems to occur at any time of the day or night.

How would you approach reliably capturing a diagnostic image that contains data that is relevant to the problem that is occurring?

Options:

Configure a WLDF watch that triggers a diagnostic image action when the number of requests waiting to execute exceeds a certain threshold.

Configure WebLogic overload protection to automatically trigger a diagnostic image when the number of requests waiting to execute exceeds a certain threshold.

Manually monitor the number of requests waiting to execute and create a diagnostic image when you see the number of requests waiting to execute exceeds a certain threshold.

Configure the server health failure action to trigger a diagnostic image when the number of requests waiting to execute exceeds a certain threshold.

Questions # 28:

One server in your WebLogic domain is experiencing a problem. You want to use the WebLogic Diagnostic Framework (WLDF) to diagnose the problem. The default built-in WLDF module is currently configured on the server, but it does not capture the metrics you need.

You have the following requirements:

You do not want to delete the existing module.

You want to minimize metric data output while troubleshooting the issue.

You want to focus your analysis on only the server that is experiencing the problem.

What WLDF configuration would achieve this result? (Choose the best answer.)

Options:

Create a new module and add metrics to it, target the new module to the server with the problem, and then activate the new module alongside the existing module.

Deactivate the existing module, create a new module and add metrics to it, set an instance parameter to the server with the problem, and then activate the new module.

Deactivate the existing module, create a new module and add metrics to it, target the new module to the cluster with the problem, and then activate the new module.

Deactivate the existing module, create a new module and add metrics to it, target the new module to the server with the problem, and then activate the new module.

Questions # 29:

You are tasked with doing a rolling upgrade of a production domain that will minimize service interruptions.

Which is a characteristic of a rolling update? (Choose the best answer.)

Options:

All the managed servers and node managers need to be shut down.

Configuration changes can be made during the rolling update process.

An automated backup is part of the rolling update process.

The machine hosting the Administration Server must be upgraded first.

A major upgrade, for example 11g to 12c, can be accomplished with a rolling update.

Questions # 30:

You successfully configured a new dynamic cluster but haven’t launched any of the dynamic servers. You want to change the configuration for one specific server.

Which parameter can you modify for that server before starting up the dynamic clustered servers for the first time?