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質問 1：
In FusionInsight HD, which method of the OozieClient class will be called by the JAVA API of the Oozie client when running tasks?
A. submit
B. run
C. suspend
D. getJobInfo
正解：B
質問 2：
In a MapReduce application, the output of the map function is processed by the MapReduce framework and sent to the reduce function. This process is based on key-value pairs for sorting and grouping.
A. False
B. True
正解：B
質問 3：
In FusionInsight HD, which components provide external SQL or SQL-like capabilities? (multiple choice)
A. Hive
B. Redis
C. HBase
D. Spark
正解：A,D
質問 4：
Set the data block storage size to 128M. When the HDFS client writes a file, when writing a 100M file, how much storage space is actually occupied?
A. 64M
B. 128M
C. 100M
D. 50M
正解：C
質問 5：
An application needs to interact with two FusionInsight clusters at the same time: it needs to access both the HBase service of cluster 1 and the Hive service of cluster 2;
So which of the following operations are necessary? (multiple choice)
A. Cluster 1 and cluster 2 complete mutual trust operation
B. The accounts created by option A and option B must belong to the supergroup group
C. Create the account required for this application on cluster 1, and set this account to access the HBase service of the cluster
D. Create an account with the same name in option A on cluster 2, and set this account to access the Hive service of this cluster
正解：A,C,D
In FusionInsight HD, which method of the OozieClient class will be called by the JAVA API of the Oozie client when running tasks?
A. submit
B. run
C. suspend
D. getJobInfo
正解：B
質問 2：
In a MapReduce application, the output of the map function is processed by the MapReduce framework and sent to the reduce function. This process is based on key-value pairs for sorting and grouping.
A. False
B. True
正解：B
質問 3：
In FusionInsight HD, which components provide external SQL or SQL-like capabilities? (multiple choice)
A. Hive
B. Redis
C. HBase
D. Spark
正解：A,D
質問 4：
Set the data block storage size to 128M. When the HDFS client writes a file, when writing a 100M file, how much storage space is actually occupied?
A. 64M
B. 128M
C. 100M
D. 50M
正解：C
質問 5：
An application needs to interact with two FusionInsight clusters at the same time: it needs to access both the HBase service of cluster 1 and the Hive service of cluster 2;
So which of the following operations are necessary? (multiple choice)
A. Cluster 1 and cluster 2 complete mutual trust operation
B. The accounts created by option A and option B must belong to the supergroup group
C. Create the account required for this application on cluster 1, and set this account to access the HBase service of the cluster
D. Create an account with the same name in option A on cluster 2, and set this account to access the Hive service of this cluster
正解：A,C,D
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