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• HCNA-bigData H13-711 Sample
Questions From Real Test
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1. Which description about the HFile in HBase is not correct?
A. A HFile belongs to a Region
B. A HFile contains multiple columns family data
C. A HFile contains multiple columns data
D. A HFile contains multiple lines data
Answer: B
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2. When the HBase write data is executed in the FusionInsight HD
system, the data is written into the MemStore, Hlog, and HDP logs.
After which step is the write data successfully returned to the client?
A. MemStore
B. HLog
C. HDFS
D. Memory
Answer: B
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3. In FusionInsight HD system, which does not belong to the
cluster node disk partition?
A. OS partition
B. Data partition
C. Metadata partition
D. Management partition
Answer: D
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4. The order of the YARN scheduler allocates resources application,
which of the following description is correct?
A. any machine -> the same rack -> local resources
B. any machine -> local resources -> the same rack
C. local resources -> the same rack -> any machine
D. the same rack -> any machine -> local resources
Answer: C
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5. A user needs to set up a 350 nodes FusionInsight HD cluster,
which solution is the best?
A. Management nodes, control nodes, data nodes deployed in one,
two-tier networking
B. Management nodes, control nodes deployed in one, data nodes
deployed independently, two-tier networking
C. Management nodes, control nodes, data nodes are deployed
independently, the three-tier networking
D. Management nodes, data nodes deployed in one, control node
deployed independently, two-tier networking
Answer: C
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6. In FusionInsight HD, which statement about HBase BIoomFilter
feature is not correct?
A. Can be used to filter the data
B. Can be used to optimize random read performance
C. will increase the consumption of storage
D. can accurately determine a data not exist
Answer: A
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7. Which part of the data needs to be read when performing HBase
read data service?
A. HFile
B. HLog
C. MemStore
D. HDFS
Answer: AC
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8. In FusionInsight HD products, which statement about Kafka
components are correct? (Multiple choice)
A. When deleting a Topic, you must ensure Kafka's service
configuration delete.topic.enable is configured to true
B. Kafka installation and operation log save path for
/srv/Bigdata/kafka/
C. ZooKeeper service unavailable will result in Kafka service
unavailable
D. You must use the admin user or kafkaadmin group user to create
a topic
Answer: ACD
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9. What is the abstraction of YARN resources in Hadoop system?
A. Memory
B. CPU
C. Container
D. Disk space
Answer: C
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10. FusionInsight HD HBase management process is how to choose
the main node?
A. Randomly selected
B. Adjudication by RegionServer
C. Adjudication by ZooKeeper
D. HMaster is dual master mode and does not require adjudication
Answer: C
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