The compatibility of F1ink is reflected in which of the following aspects?

• A.YARN can be used as a resource scheduling manager for Flink clusters
• B.Ability to get more data from local
• C.Can be mixed with Hadoop's original mappers and reducers
• D.Ability to use Hadoop formatted input and output

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What is the default resource scheduler for queues in YARN?

• A.Fair scheduler
• B.None of the above is correct
• C.FIFO scheduler
• D.Capacity scheduler

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Which of the following descriptions about the HBase storage model is correct?

• A.The same key value key is associated with multiple values
• B.KeyValuel has key information such as timestamp and type
• C.Even if there are multiple Key Values with the same key value and the same Qualifier, there may be more than one. In this case, the time stamp is used to distinguish
• D.Each Key Value has a Qualifier identifier

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Comparing Spark and MapReducei, which of the following statements are correct?

• A.Intermediate results of Spark tasks can only be stored in memory
• B.Shuffle is not a necessary process in Spark tasks
• C.Shuffle is a necessary process in Spark tasks
• D.Spark can cache intermediate results in memory reducing disk I0

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What are the characteristics of Spark? (Multiple choice)

• A.skillful
• B.Light
• C.Spirit
• D.Fast

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