Oracle Cloud Application Foundation Essentials (1z1-468) Free Practice Test

Question 1

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

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

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

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

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

E. Permanent generation is included in minor garbage collection.

Correct Answer: A,C

Question 2

Which tool is not shipped with the JRockit JDK?

A. Studio Profiler

B. Mission Control

C. Memory Leak Detector

D. Flight Recorder

Correct Answer: C

Question 3

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

A. mod_wls

B. No plug_in is required

C. mod_wl_ohs

D. mod_weblogic

E. mod_ohs_wl

Correct Answer: C

Question 4

Which Java command would list all the running Java applications on a system?

A. jplist -m

B. jps -m

C. jpsm -m

D. jproc -m

E. jlist -m

Correct Answer: B

Question 5

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

A. Garbage Collector

B. Class loader

C. Runtime compiler

D. Heap size

E. Debugging options

Correct Answer: A,C,D

Question 6

Which statement about JRockit Discovery Protocol (JDP) is true?

A. JDP is a subset of HTTP.

B. JDP can be used by application to exchange serialized data between JVMs.

C. JDP was initially introduced in the HotSpot VM 1.5.

D. JDP enables network auto discovery of JVMs.

Correct Answer: D

Question 7

You are doing capacity planning for a Coherence application with one distributed cache (dcache), and one replicated cache (rcache). You have one index on dcache, and dcache has backup_count=1. Your requirement is that you must be able to tolerate one machine failure with no loss of data. You have three machines, each with 4 JVMs of 8 GB.
What three factors do you take into consideration in case of machine failure? (Choose three.)

A. The size of index data in each cache server is likely to grow.

B. The size of rcache on each node will grow.

C. Each cache server will be responsible for more primary and backup data from dcache.

D. Updates to rcache will result in more network traffic per machine.

E. Updates to dcache will result in more network traffic per machine.

Correct Answer: A,C,E

Question 8

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?

A. Filters

B. aggregators

C. Entry Processors

D. Indexes

Correct Answer: B

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Oracle Cloud Application Foundation Essentials (1z1-468) Free Practice Test