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

Question No: 1

Which two components are required as part of any EM deployment? (Choose two.)

  1. Oracle Management Service

  2. Oracle Management Repository

  3. Oracle Ops Center

  4. BI Publisher

  5. Software Library

Answer: A,B Explanation:

https://docs.oracle.com/cd/B19306_01/em.102/b40103/pre- installation_requirements.htm#CHDEEJEB

Question No: 2

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

  1. Minor garbage collection is triggered when the eden space is full.

  2. Minor garbage collection does not cause a stop the world operation.

  3. Permanent generation is included in minor garbage collection.

  4. Minor garbage collections are usually shorter, with minimal impact on performance.

  5. Minor garbage collection does not occur when using a parallel collector.

Answer: A,B

Question No: 3

Which tool is not shipped with the JRockit JDK?

  1. Mission Control

  2. Flight Recorder

  3. Studio Profiler

  4. Memory Leak Detector

Answer: D

Question No: 4

For operations that act on data that exists on multiple nodes, Coherence can do the processing in parallel, and put together the partial results from each node into a single result before sending it to the client.

Which feature in Coherence can be used to achieve this?

  1. Filters

  2. aggregators

  3. Indexes

  4. Entry Processors

Answer: B

Question No: 5

Identify three situations where Coherence is used (Choose three.)

  1. to scale the amount of data accessed on the application or middleware tier

  2. to offload shared services or databases on repeated reads

  3. to accelerate complex RDBMS joins by storing data in memory

  4. to reduce database load by batching and coalescing writes

  5. to perform map-reduce aggregations of unstructured data

Answer: B,D,E

Question No: 6

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


  1. Coherence MulticastTest

  2. Coherence DatagramTest

  3. Coherence Console

  4. Coherence CohQL Command-Line

Answer: A,D Explanation:

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

Question No: 7

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

  1. finding hot methods

  2. static mode analysis

  3. tracking latencies

  4. heap analysis

  5. debugging with breakpoints

Answer: A,C,D

Question No: 8

Which two mechanisms are explicitly monitored to determine death of a cluster member? (Choose two.)

  1. garbage collection

  2. stuck threads

  3. heartbeats

  4. TCP socket connections

Answer: C,D Explanation:


Death detection works by creating a ring of TCP connections between all cluster members. TCP communication is sent on the same port that is used for cluster UDP communication. Each cluster member issues a unicast heartbeat, and the most senior cluster member issues the cluster heartbeat, which is a broadcast message. Each cluster member uses the TCP connection to detectthe death of another node within the heartbeat interval. Death detection is enabled by default and is configured within the lt;tcp-ring-listenergt; element.


Question No: 9

Which system property is used to customize a Coherence deployment configuration for different environments?

  1. tangosol.coherence.cacheconfig

  2. tangosol.coherence.site

  3. tangosol.coherence.management

  4. tangosol.coherence.override

Answer: A

Question No: 10

A company has a billing and ordering application accessed by ten million subscribers. Some subscribers rarely log in, and others log in almost every day. The company#39;s goal is to provide the quickest possible response to web requests. Accesses make repeated reads and occasional writes to user sessions, each of which is 4 KB.

Which architecture meets these needs?

  1. a replicated cache, so that applications can always access data locally

  2. there is too much data for Coherence to be effective in this scenario

  3. a distributed cache with sticky sessions and near caching

  4. a small replicated cache for frequent users and database read-through

Answer: C

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