NEW QUESTION 1
Which two statements are true about minor or young garbage collections? (Choose two.)

• A. Minor garbage collection is triggered when the eden space is full.
• B. Minor garbage collection does not cause a stop the world operation.
• C. Permanent generation is included in minor garbage collection.
• D. Minor garbage collections are usually shorter, with minimal impact on performance.
• E. Minor garbage collection does not occur when using a parallel collector.

Answer: AB

NEW QUESTION 2
A company relies on third-party web services for data.
Which two Coherence features can be applied to shield its customers from anticipated spikes in demand of the web services, without suffering potential performance degradation? (Choose two.)

• A. dynamically increasing the partition count on a running server
• B. configuring an overflow scheme so that spikes are handled gracefully
• C. caching the results of the web service call with a configured expiration
• D. dynamically adding Coherence cache servers to the cluster

Answer: BD

NEW QUESTION 3
With which three activities does Virtual Assembly Builder help? (Choose three.)

• A. maintaining flexibility for developers
• B. reducing runtime errors
• C. enabling full access to infrastructure
• D. creating a standardized model for IT
• E. automating provisioning of the entire application topology

Answer: ADE

NEW QUESTION 4
In which three scenarios would you use JRockit Mission Control? (Choose three.)

• A. finding hot methods
• B. static mode analysis
• C. tracking latencies
• D. heap analysis
• E. debugging with breakpoints

Answer: ACD

NEW QUESTION 5
Which component is optimized for the JRockit VM?

• A. swing-based desktop applications
• B. browser-based applets
• C. embedded devices
• D. server-side applications
• E. mobile phones

Answer: D

Explanation:
The Oracle JRockit JDK includes the Oracle JRockit Java Virtual Machine (JVM), which is developed uniquely for server-side applications and optimized for Intel architectures, ensuring reliability, scalability, and manageability for Java applications.
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NEW QUESTION 6
Which three plug-ins are pre-installed with EM 12c?

• A. Oracle Fusion Middleware
• B. Oracle Cloud Application
• C. Oracle Database
• D. Oracle MOS (My Oracle Support)
• E. Exalogic Elastic Cloud Infrastructure

Answer: ADE

NEW QUESTION 7
What is the first step towards creating an appliance?

• A. introspection of an installed system
• B. introspection of a VM template
• C. fileset capture
• D. template creation

Answer: D

NEW QUESTION 8
Which three areas are automatically optimized by the Oracle JDK ergonomics? (Choose
three.)

• A. Garbage Collector
• B. Debugging options
• C. Heap size
• D. Class loader
• E. Runtime compiler

Answer: ACE

NEW QUESTION 9
Which plug-in does Oracle Traffic Director require you to install to load balance HTTP requests to WebLogic Server?

• A. mod_wls
• B. mod_weblogic
• C. mod_wl_ohs
• D. No plug_in is required
• E. mod_ohs_wl

Answer: C

NEW QUESTION 10
Which action do you take when deploying Oracle HTTP Server to ensure all client communications within OHS are confidential?

• A. Deploy OHS in A DMZ.
• B. Configure all OHS Listeners to use SSL.
• C. Nothing; all client communications are confidential.
• D. This configuration is not possible.
• E. Use a network firewall.

Answer: B

NEW QUESTION 11
What is the difference between Entry Processors and Aggregators?

• A. Entry Processors require a key or a set of keys, whereas Aggregators require filters.
• B. Entry Processors can skip the network by executing against near caches directly, whereas Aggregators must execute on storage members.
• C. Entry Processors are better suited to Map-Reduce operations than Aggregators.
• D. Aggregators are optimized for read-only access, whereas Entry Processors can modify cacheentries.

Answer: D

NEW QUESTION 12
What is the correct order of API calls to perform an end-to-end assembly deployment operation?

• A. UploadAssemblyArchive -> RegisterAssemblyArchive -> CreateAssemblyInstance -> DeployAssemblyInstance -> UndeployAssemblyInstance -> DeleteAssemblyInstance -> UnregisterAssemblyArchive -> DeleteAssemblyArchive
• B. CreateAssemblyInstance -> UploadAssemblyArchive -> RegisterAssemblyArchive -> DeployAssemblyInstance -> UndeployAssemblyInstance -> UnregisterAssemblyArchive -> DeleteAssemblyArchive -> DeleteAssemblyInstance
• C. UploadAssemblyArchive -> RegisterAssemblyArchive -> DeployAssemblyInstance -> UndeployAssemblyInstance -> UnregisterAssemblyArchive -> DeleteAssemblyArchive
• D. RegisterAssemblyArchive -> UploadAssemblyArchive -> DeployAssemblyInstance -> UndeployAssemblyInstance -> DeleteAssemblyArchive -> UnregisterAssemblyArchive

Answer: B

NEW QUESTION 13
The performance of your query is very slow.
Which two actions would you take to diagnose potential bottlenecks? (Choose two.)

• A. Check that indexes are registered against the fields being queried.
• B. Monitor the task execution time.
• C. Use the QueryRecorder to see the query Trace and Explain plan.
• D. Check that indexes are cached against the fields being queried.
• E. Monitor the task performance time.

Answer: BD

NEW QUESTION 14
Which four actions can you perform by using features that are included in WLS management Pack EE? (Choose four.)

• A. manage multiple domains centrally
• B. perform in-depth JVM diagnostics
• C. perform user-session diagnostics
• D. trace transactions across multi-tier environments
• E. perform disaster recovery operations
• F. perform full session replay

Answer: ABE

Explanation:
http://www.oracle.com/technetwork/oem/soa-mgmt/ds-em12c-wls-mgmt-pack-ee- 1552456.pdf(page 1)

NEW QUESTION 15
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?

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

Answer: B

NEW QUESTION 16
An Oracle RAC Database appliance was initially deployed with two database instances. The load on the database has now increased and another instance needs to be provisioned.
How would you add one more instance of the earlier deployed appliance?

• A. Create and deploy a new assembly containing a single instance database appliance.
• B. Add a new single instance database appliance into the previously created assembly and redeploy it.
• C. Use the ScaleAppliance operation to scale up the deployed appliance instances from two to three.
• D. Use the createAssemblyInstance operation to create a new instance of the existing assembly and deploy the new assembly instance.

Answer: D

NEW QUESTION 17
What agent is used to collect the WLS server metrics that are available on the WLS All Metrics page?

• A. ADP Agent
• B. JVM Diagnostics Agent
• C. BTM Agent
• D. EM Agent
• E. JVMD Agent

Answer: B

NEW QUESTION 18
How would you create an SLA based on the “JVM Runtime Up” metric for a specific WLS server?

• A. Deploy JVM Diagnostics and set a threshold on the JVMD agent up time.
• B. Create a Service target that uses the WLS Domain as its system, and the JVM Runtime as itsperformance metri
• C. Configure SLA by using that metric.
• D. Define a threshold on the metric on the All Metrics page, and define a rule to create an Event for that inciden
• E. Define an SLA on the count of Incidents.
• F. You cannot create an SLA on JVM-related metrics.

Answer: C

NEW QUESTION 19
You plan to deploy your Coherence application to a new production environment. You want to ensure that the new environment supports multicast, and that all of the machines are connected to the same physical switch for optimal performance.
What two tools will help confirm that the new environment satisfies both criteria? (Choose two.)

• A. Coherence MulticastTest
• B. Coherence DatagramTest
• C. Coherence Console
• D. Coherence CohQL Command-Line

Answer: AD

Explanation:
http://www.oracle.com/technetwork/middleware/coherence/learnmore/oracle-coherence- 12c-deployment-3049521.pdf

NEW QUESTION 20
Consider the following code:

If the initial stock amount was 15, and 5 different clients (in different JVMs) attempted to execute the same code simultaneously, what would be the resulting level of stock?

• A. 20, because Coherence does implicit locking
• B. 15, because a concurrency control exception will be thrown
• C. 16, because of the lack of concurrency control
• D. undefined, because of the lack of concurrency control

Answer: C

NEW QUESTION 21
When an object placed into a cache implements the Java Runnable interface, Coherence will .

• A. immediately schedule it to be an on the service thread of the cache in which it was placed
• B. do nothing; Coherence does not differentiate between types of value objects
• C. ultimately attempt to run the object on a free worker thread associated with the service of the cache in which the object was placed
• D. hand the object over to the Invocation service to invoke the run method

Answer: A

NEW QUESTION 22
Your data client query needs to produce a fast initial response. Which two approaches will optimize your query? (Choose two.)

• A. Use a LimitFilter to limit the result set returned.
• B. Use a near cache to cache results locally to be re-used.
• C. Wrap the filter by using a PartitionFilter.
• D. Re-order the filter criteria.
• E. Access the keys first and then the values.

Answer: BD

NEW QUESTION 23
You have developed and tested your Coherence application on a single physical machine by using the following operational configuration:

What two configuration changes must be made to run your application on multiple physical machines using multicast? (Choose two.)

• A. Lower the logging severity level to 3.
• B. Change the unicast listener address to a non-loopback address.
• C. Increase the multicast listener time-to-live value.
• D. Specify a list of well-known addresses.

Answer: BD

Explanation:
https://docs.oracle.com/middleware/1212/coherence/COHAG/deploy_checklist.htm#COHA G5301

NEW QUESTION 24
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