Passage comprehension I-24
A. It will stop automatically.
B. It will move on at the same speed.
C. It will gradually slow down
D. It will keep a safe distance from the other trains
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以下选项属于Spark中的行动(Action)操作的是?( )
A. filter()
B. map()
C. reduce()
D. reduceByKey()
以下选项属于Spark中的转换(Transformation)操作的是?( )
A. collect()
B. filter()
C. count()
D. foreach()
Spark生态系统中用于图计算的组件是( )。
A. Spark Core
B. GraphX
C. Spark SQL
D. Spark Streaming
Spark生态系统中用于流计算的组件是( )。
A. Spark Core
B. GraphX
C. Spark SQL
D. Spark Streaming