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Share some HCNA-Big Data H13-711-ENU exam questions and answers below.
Which of the following description on the role of stand-by NameNode in Huawei FusionInsight HD system is correct? (Multiple choice)
A. Main NameNode's hot standby
B. stand-by NameNode has no memory requirements
C. help the main NameNode merge edit log, reduce the main NameNode's start time
D. The stand-by NameNode should be deployed to a node with the main NameNode
Answer: AC
Loader's job execution fails, the data imported during this job run will not be deleted and must be manually deleted.
A. True
B. False
Answer: B
In a FusionInsight Hadoop cluster, the cluster size is 70 nodes. If the recommended deployment scheme is adopted, which part must not exist on the management node? (Multiple choice)
A. / srv / BigData / zookeeper
B. / srv / BigData / dbdata_om
C. / srv / BigData
D. / srv / BigData / jurnalnode
E. / srv / BigData / hadoop / data 5
Answer: ABCD
About Hive's basic operation of building table, which of the following description is correct?
A. Create an external table need to specify the external keyword
B. Once the table is created, you cannot modify the table name
C. Once the table is created, you cannot modify the column name
D. Once the table is created, new columns cannot be added
Answer: A
Which of the following design is mainly considered in the planning of Big data business consulting services program? (Multiple choice)
A. Big Data Business Model Design
B. Business scene panoramic planning
C. Typical scene requirement design
D. scene decomposition and business design
Answer: ABCD
Loader only supports data import and export between relational databases and Hadoop HBase.
A. True
B. False
Answer: B
In a FusionInsight HD cluster, the cluster size is 300 nodes. If the recommended deployment scheme is adopted, which partitions must not exist on the control node? (Multiple choice)
A. /
B. //srv/BigData/dbdata_om
C. /srv/BigData
D. //srv/BigData/jurnalnode
E. //srv/BigData/hadoop/data5
Answer: BE
In the process of using Flume to transmit data, in order to prevent data loss due to restart of Flume process, which of the following channel type is recommended?
A. Memory Channel
B. File Channel
C. JDBC Channel
D. HDFS Channel
Answer: B
A table in HBase of FusionInsight HD includes the following regions: [10,20), [20,30), [30, + ∞], respectively numbered as ①, ②, ③, then which Region do 11,20,222 respectively belong to?
A. ①①③
B. ①②③
C. ①②②
D. ①①②
Answer: C
Which of the following ways or interface is provided by Loader for job management? (Multiple choice)
A. Web UI
B. Linux command line
C. Rest interface
D. Java API
Answer: ABCD
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