Free H13-711_V3.0 Exam Braindumps (page: 36)

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Regarding RDD, which of the following statements is wrong?

  1. RDD has a lineage mechanism (Lineage)
  2. RDDs are stored on disk by default
  3. RDD is a read-only, partitionable distributed dataset
  4. RDD is Spark's abstraction of underlying data

Answer(s): B



In order to ensure the reliability of snapshot storage of streaming applications, where are the snapshots mainly stored?

  1. In the memory of the JobManager
  2. In a single-machine database with high reliability
  3. in the local file system
  4. in HDFS

Answer(s): D



In the Fusioninsight product, which of the following descriptions about kafka's topicl is incorrect?

  1. The number of Topic partitions can be configured when creating
  2. Each topic can only be divided into one partition area
  3. Each message published to kafka has a category, which is called topic and can also be understood as a queue for storing messages
  4. Each partition corresponds to a log file at the storage level, and the log file records all message data

Answer(s): B



Which of the following scenarios does Hive not apply to?

  1. Non-real-time analysis. Such as log analysis, statistical analysis
  2. data mining. Such as user behavior analysis, interest analysis, regional display
  3. Data summary. such as clicks per user per day,Click to rank
  4. Real-time online data analysis

Answer(s): D






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