2018 Jan Oracle Official New Released 1z0-468
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Oracle Cloud Application Foundation Certified Implementation Specialist

Question No: 21

Which statement describes the difference between the Runtime Analyzer and JRockit Flight Recorder?

  1. Only Runtime Analyzer allows detailed heap analysis.

  2. Only Flight Recorder allows “back-in-time” analysis.

  3. Thread deadlock analysis is not possible in Flight Recorder.

  4. Flight Recorder cannot be run in an quot;always-onquot; mode.

  5. Flight Recorder causes significantly higher processor overhead than Runtime Analyzer.

Answer: B

Question No: 22

Which three metrics are commonly used to evaluate garbage collector performance? (Choose three.)

  1. Throughput

  2. Pause time

  3. Method area

  4. Native threads

  5. Heap size

Answer: A,B,E Explanation:

http://www.oracle.com/technetwork/java/javase/tech/memorymanagement-whitepaper-1- 150020.pdf(page 5, performance metrics)

Question No: 23

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

  1. UploadAssemblyArchive -gt; RegisterAssemblyArchive -gt; CreateAssemblyInstance -gt; DeployAssemblyInstance -gt; UndeployAssemblyInstance -gt; DeleteAssemblyInstance -gt; UnregisterAssemblyArchive -gt; DeleteAssemblyArchive

  2. CreateAssemblyInstance -gt; UploadAssemblyArchive -gt; RegisterAssemblyArchive -gt; DeployAssemblyInstance -gt; UndeployAssemblyInstance -gt; UnregisterAssemblyArchive -gt; DeleteAssemblyArchive -gt; DeleteAssemblyInstance

  3. UploadAssemblyArchive -gt; RegisterAssemblyArchive -gt; DeployAssemblyInstance -gt; UndeployAssemblyInstance -gt; UnregisterAssemblyArchive -gt; DeleteAssemblyArchive

  4. RegisterAssemblyArchive -gt; UploadAssemblyArchive -gt; DeployAssemblyInstance -gt; UndeployAssemblyInstance -gt; DeleteAssemblyArchive -gt; UnregisterAssemblyArchive

Answer: B

Question No: 24

Your application is configured to use Service Guardian with default settings to protect against stuck service threads. The application runs a set of EntryProcessors to perform various types of calculations. These calculations can take a few milliseconds, but occasionally take up to 30 minutes to process.

Which statement is true?

  1. The Service Guardian willprotect all of the applications EntryProcessor processes withoutdetecting any as stuck.

  2. The Service Guardian must be disabled for these longer EntryProcessors.

  3. The Service Guardian does not protect threads running user code like EntryProcessors.

  4. The EntryProcessor must issue manual heartbeats to the Service Guardian or risk being killed.

Answer: B

Question No: 25

Which is a valid reason for using Coherence Elastic Data?

  1. You want to cache more that the total amount of RAM on your systems.

  2. You want to extend your cluster across a WAN.

  3. Data must be persisted to disk to ensure fault tolerance.

  4. You want to store data on very large heaps.

Answer: A Explanation:


Question No: 26

What information is needed in the process of creating a patch template for WLS Domain?

  1. one or more patches to apply

  2. the domain target

  3. stage directory (if not already staged)

  4. WLS Domain Administrator credentials, and Host credentials

  5. Patch Plan

Answer: D

Question No: 27

How many appliances can you deploy as part as an assembly?

  1. only one

  2. one to three

  3. one to five

  4. There is no predefined limit

Answer: C

Question No: 28

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

  1. mod_wls

  2. mod_weblogic

  3. mod_wl_ohs

  4. No plug_in is required

  5. mod_ohs_wl

Answer: C

Question No: 29

With which WLS license is WLS Management Pack EE included?

  1. WebLogic Suite

  2. WebLogic Server Standard Edition

  3. WebLogic Server Enterprise Edition

  4. WebLogic Server EE or WebLogic Suite

  5. WLS Management Pack is not included in any of the WLS packs

Answer: C

Question No: 30

Which configuration can be used for enabling Coherence as an L2 Cache?

  1. @Entity@CacheInterceptor (CoherenceReadCustomizer.class)public class Employee implements Serializable

  2. @Entity@Customizer(CoherenceReadCustomizer.class)public class Employee implements Serializable

  3. @Entity@Customizer(CoherenceReadWriteCustomizer.class)public class Employee implements Serializable

  4. @Entity@CacheInterceptor (CoherenceInterceptor.class)public class Employee implements Serializable

Answer: D

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