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السؤال #1
In the .YARN service, if you want to set the capacity of the queue QueueA to 30%, which parameter should be configured?
A. Ayarn
B. Byarn
C. Cyam
D. Dyarn
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اجابة صحيحة: C
السؤال #2
Which of the following operations are recorded in the Fusioninsight HD system audit log unavailable?
A. AManually clear warnings
B. BStart and stop the service instance
C. Cdelete service instance
D. DCheck history monitoring
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اجابة صحيحة: D
السؤال #3
Which of the following HDFS commands can be used to check the integrity of data blocks?
A. HDFS fsck /correct
B. HDFS fsck -delete
C. HDFS dfsadmin -report
D. HDFS balancer -threshold 1
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اجابة صحيحة: A
السؤال #4
What is the module used to manage the active and standby status of Loader Server processes in Loader?
A. Job Scheduler
B. HA Managercorrect
C. Job Manager
D. Resource Manager
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اجابة صحيحة: B
السؤال #5
Which of the following is the ElasticSearch node?
A. EsNode
B. Index
C. EsMaster
D. Cluster
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اجابة صحيحة: A
السؤال #6
Which one of the following is not a role or service involved in the HBase read data process?
A. HDFScorrect
B. HRegionServer
C. HMaster
D. ZooKeeper
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اجابة صحيحة: A
السؤال #7
What is the index name of ElasticSearch?
A. ddcvc
B. doc
C. logstash-2020
D. 3sDqsm8Bu-kTplz0jqhL
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اجابة صحيحة: C
السؤال #8
Which of the following is the incorrect statement about the description of normal and external tables in Hive?
A. Create a normal table by default
B. The external table essentially associates the file path on the existing HDFS with the table
C. Metadata and data are deleted at the same time when deleting a normal table
D. When deleting an external table, only the external table data is deleted without deleting the metadata
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اجابة صحيحة: B
السؤال #9
The driver in Spark On YARN mode can only run on the client.
A. False
B. True
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اجابة صحيحة: A
السؤال #10
The Hadoop-based open source big data platform mainly provides distributed computing and storage capabilities for dat a. Are the following distributed storage components? (Multiple choices)
A. AMR
B. BSpark
C. CHDFS
D. DHBase
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اجابة صحيحة: CD
السؤال #11
Which of the following description about Hadoop Distributed File System HDFS federal is correct? (Multiple choice)
A. A Namespace using a block pool management data blockcorrect
B. A Namespace can use multiple block pool management data block
C. Each block pool disk space is physically shared, logical space is isolatedcorrect
D. Support NameNode/Namespace horizontal expansioncorrect
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اجابة صحيحة: ACD
السؤال #12
What are the correct understandings and descriptions of the main features of big data?
A. Fast data growth and fast processing
B. Many data sources and formats
C. Low data value density, high value
D. Large amount of data, large amount of calculation
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اجابة صحيحة: ABCD
السؤال #13
Kunpeng computing industry is a full-stack I1 infrastructure, industry applications and services built on the Kunpeng processor, including PCs, servers, storage, operating systems, middleware, virtualization, databases, cloud services, industry applications and consulting management services Wait.
A. False
B. True
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اجابة صحيحة: B
السؤال #14
In creating a Loader job, in which of the following steps can you set the filter type?
A. Input settingscorrect
B. Conversion
C. Basic information
D. Output
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اجابة صحيحة: A
السؤال #15
Which of the following is not a role or service involved in the process of reading data in HBasei?
A. HDFS
B. HRegionServer
C. LHMaster
D. ZooKeeper
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اجابة صحيحة: C
السؤال #16
Which of the following are conversion rules supported by Loader jobs? (Multiple choice)
A. Modulo conversion
B. Splicing conversion
C. Null conversion
D. Add a constant field
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اجابة صحيحة: ABCD
السؤال #17
Which of the following description about the Kafka Partition offset is incorrect?
A. The position of each message in the file is called offset
B. Consumers track records through (offset/
C. Uniquely marks a message
D. Offset is a String type stringcorrect
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اجابة صحيحة: D
السؤال #18
Which one of the following is a node of ElasticSearch?
A. EsNodecorrect
B. Index
C. EsMaster
D. Cluster
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اجابة صحيحة: A
السؤال #19
Which of the following options cannot be achieved by big data technology?
A. Business model discoverycorrect
B. Credit assessment
C. Product recommendation
D. Operational analysis
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اجابة صحيحة: A
السؤال #20
Which of the following programming languages ??does Spark implement?
A. C
B. C + ten
C. JAVA
D. Scale
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اجابة صحيحة: D
السؤال #21
Which of the following is the wrong description about Flink barrier?
A. The barrier is periodically inserted into the data stream and flows as part of the data stream
B. The barrier is the core of the Flink snapshot
C. A barrier separates the data of this cycle snapshot from the data of the next cycle snapshot
D. When the barrier is inserted, the data stream is temporarily blocked
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اجابة صحيحة: D
السؤال #22
In the Fusioninsight cluster, which of the following components does Spark mainly interact with? (Multiple Choice)
A. HDFScorrect
B. YARNcorrect
C. Hive
D. Zookeepercorrect
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اجابة صحيحة: ABD
السؤال #23
Which of the following are the components of the platform architecture in the Huawei solution? (Multiple Choice)
A. Hadoop Layercorrect
B. Fusiolnght Managercorrect
C. GaussDB 200
D. Dataframcorrect
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اجابة صحيحة: ABD
السؤال #24
Assuming that HDFS only saves 2 copies when writing dat a. Then during the writing process, HDFS Client first writes data to DataNodel1 and then writes data to DataNode2.0
A. False
B. True
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اجابة صحيحة: A
السؤال #25
In the Spark SQL table, there are often many small files (the size is much smaller than the HDFS block size). In this case, Spark will start more Task to process these small files. When there is a Shuffle operation in the SQL logic, will greatly increase the number of hash buckets, which will seriously affect performance.
A. Truecorrect
B. False
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اجابة صحيحة: A
السؤال #26
Which of the following scenarios are not what Flink components good at?
A. Batch processing
B. Stream processing
C. Data storagecorrect
D. Iterative computations
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اجابة صحيحة: C
السؤال #27
Assuming that the minimum resource guarantee for each user is set to yarn, scheduler, capacity, root, QueueAminimum-user-limit-percent = 24, which of the following statement is wrong?
A. When the third user submits a task, each user gets up to 33
B. When the second user submits a task, each user gets up to 50% of the resources
C. When the fourth user submits a task, each user gets up to 25% of the resources
D. When the fifth user submits a task, each user gets up to 20% of the resourcescorrect
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اجابة صحيحة: D
السؤال #28
In the HDFS federation environment, which of the following contents does Name Spake contain? (Multiple Choice)
A. Directorycorrect
B. Documentscorrect
C. Blockcorrect
D. None of the above
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اجابة صحيحة: ABC
السؤال #29
In the MRS platform, which component does the F1ume data flow not need to pass through in the node?
A. Sink
B. Channel
C. LTopic
D. Source
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اجابة صحيحة: C
السؤال #30
Topology will automatically stop running after the task is completed.
A. TRUE
B. FALSEcorrect
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اجابة صحيحة: B

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