Clustering Object State Using Terracotta and Execution to a Grid MCQ

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• Map/reduce is a pattern that was popularized by Google, and it comes from functional programming languages, which often have:-
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  map

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  reduce

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  all of the mentioned
• There are many data grids, such as :-
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  Coherence

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  Terracotta

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  Hadoop’s HFS

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  All of the mentioned
• GridGain is an implementation of a processing grid.
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  True

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  False
• To distribute processing over many nodes, perhaps to increase result speed through the use of concurrences, perhaps merely to provide load balance and fault tolerance.
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  Grid

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  GridGain

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  None of the mentioned
• To use the script on Unix-like operating systems:
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  $TERRACOTTA HOME/bin/dso-env.sh $HOST:3312

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  $TERRACOTTA HOME/bin/dso-env.sh $HOST:$PORT

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• For each virtual machine client that you want to “see” and share that state, start it with a customized bootclasspath parameter when starting Java.
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  True

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  False
• On Unix-like operating systems, you start Terracotta as :-
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  $TERRACOTTA HOME/bin/start-tc-server.sh –f $PATH TO TERRACOTTA CONFIGURATION

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  $TERRACOTTA HOME/bin/start-tc-server.sh –f $PATH TO TERRACOTTA

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  $TERRACOTTA HOME/bin/start-tc-server.sh –f $PATH TO TERRACOTTA bin

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  None of the mentioned
• To deploy a Terracotta application, you first download the distribution. The distribution provides :-
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  utility scripts

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  JAR files

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• Terracotta has a client/server architecture.
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  True

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  False
• Terracotta is different than most clustered caches today because it has no visible API
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  True

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  False
• Terracotta works as a JVM agent that monitors the object graph of a given JVM instance.
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  True

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  False
• Terracotta doesn’t use serialization of objects.
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  True

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  False
• Terracotta works like many other clustered caches, except that, in addition to being a good Hibernate clustered cache.
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  True

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  False
• The company, Terracotta, has also recently become the corporate sponsor of:-
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  Ehcache

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  Quartz

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• You want to share object state across multiple virtual machines.
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  Terracotta

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  Hibernate Transaction

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  None of the mentioned