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1z0-468 – Oracle Cloud Application Foundation Essentials

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Showing 7–9 of 10 questions

Question 7

After going through a sizing exercise, you determine that your application will need 100 storage-enabled JVMs with 4 GB heaps. You have 10 physical machines with 16 cores and 32 GB of RAM.

Which performance-tuning best practice would be violated by deploying your application on these machines?

Select an option, then click Submit answer.

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    Heap sizes should not be larger than 512 MB.
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    OS socket buffers should be at least 2 MB.
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    Avoid OS memory swapping/paging by not exhausting physical RAM.
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    Do not exceed one JVM per core.
Question 8

What could cause an AddTargetUser operation to fall with a 401 or a 403 error?

Select an option, then click Submit answer.

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    Virtual Assembly Builder Deployer application is down.
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    The user whose credentials were used to connect to Virtual Assembly Deployer has not been granted the Cloud Admin role.
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    A connection between Virtual Assembly Builder Deployer and oracle VM Manager resource pool has not been configured.
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    The Oracle VM Manager Admin user, whose credentials were used in the createTarget operation, has not been granted the Application Admin role.
Question 9

What is the main method used to collect the monitoring data of a Coherence cluster, its nodes, and caches?

Select an option, then click Submit answer.

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    Enterprise Manager agent on every host, querying JMX data from nodes running on that host
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    one central Enterprise Manager agent, querying JMX data from each node in the cluster
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    JVMD agent collecting data trough sampling of the JVM for each node
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    Enterprise Manager agent on every host, querying JMX data from nodes running on the host, and a central Enterprise Manager agent querying JMX data from a management node for cluster-level
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    one central Enterprise Manager agent querying JMX data from a single management node