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Huawei H13-723 Exam Questions and Answers, Huawei HCIP-Big Data Developer | SPOTO

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Question #1
In FusionInsight HD, use the Streaming command line to submit the om.huawei.examole.WordCount task in example.jar. The task name is wcTest. Which of the following commands is correct?
A. storm jar example
B. storm jar example
C. storm jar example
D. storm jar example
View answer
Correct Answer: C
Question #2
For the HBase component of the FusionInsight HD platform, what attributes of the secondary index need to be defined when adding a secondary index? (multiple choice)
A. Index namecorrect
B. Index columncorrect
C. Index column typecorrect
D. The name of the column family to which the index column belongscorrect
View answer
Correct Answer: ABCD
Question #3
When the HDFS client writes files to HDFS with N copies, if one of the copies fails to write, all copies will return the write failure.
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #4
A certain project needs to save the online data in a certain area and search the full text whether there is any sensitive information in these online records to prevent crimes in the area. In this scenario, which of the following is the best solution?
A. Create an index on Solr, save the data, and return all the data when searching the full text
B. Store data on HBase, and satisfy fuzzy matching queries through HBase's filtering features
C. When storing data, create an index on Solr and store the complete data in HBasx; when querying, obtain key information of records through Solr full-text search, and obtain complete records on HBase through key information
View answer
Correct Answer: C
Question #5
In the Fusioninsight HD product, what is wrong about the Kafka secure and non-secure port description? (Note: The old API refers to the old Producer API and the old Consumer API. Among them, the old Consumer API: refers to the interface defined in kafka.consumer.ConsumerConnector; the old Producer API: refers to the interface defined in kafka.producer.Producer.)
A. Kafka cluster security access port defaults to 21007, non-secure access port defaults to 21005
B. The premise for the old API to access a topic through port 21005 is that the server parameter allow
C. The old API only supports access to port 21005; the new API is compatible with access to non-secure port 21005 and secure port 21007
D. For topics with ACL set, you can use the old API to connect to port 21005 for access
View answer
Correct Answer: D
Question #6
In FusionInsight HD's Hive, the user-defined UDF can have the same name as the Hive built-in UDF. In this case, the user-defined UDF will be used.
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #7
HDFSclient withNcopy toHDFSWhen writing a file, if one of the replicas fails to write, all replicas will return to writing Entry failed.
A. ATrue
B. BFalse
View answer
Correct Answer: B
Question #8
Because Spark is a memory-based computing engine, the amount of data that a Spars application can process cannot exceed the total memory allocated to the Spark application.
A. False
B. True
View answer
Correct Answer: A
Question #9
In FusionInsight HD, if there are multiple sources in a Flume configuration file, the source names cannot be repeated.
A. False
B. True
View answer
Correct Answer: B
Question #10
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. 128M
B. 100Mcorrect
C. 64M
D. 50M
View answer
Correct Answer: B
Question #11
FusionInsight HDmiddle,OozieBefore submitting the job, you need to upload the configuration files andjarpackage toHDFS
A. True
B. False
View answer
Correct Answer: A
Question #12
When indexing in Solr, which of the following code snippets can significantly improve indexing performance? (multiple choice)
A. lbClient
B. if (updateRequest
C. if (updateRequest
D. SolrlnputDocument doc = new SolrlnputDocument();doc
View answer
Correct Answer: AB
Question #13
To create a table through HBase's createTable method, what parameters must be passed in?
A. Table name
B. Table names and columns
C. Table name and column familycorrect
D. Can be empty
View answer
Correct Answer: C
Question #14
In Spark, which of the following is the operator that takes the intersection of the DataFrame?
A. filter (condifionExpr: String): DataFrame
B. join (right: DataFrame, join Exprs: Column): DataFrame
C. intersect (other: Data Fra me): Data Fra mecorrect
D. dropDuplicates():DataFrame
View answer
Correct Answer: C
Question #15
In FusionInsight HD, which of the following source types does Flume support? (multiple choice)
A. Avrocorrect
B. HBase
C. Kafkacorrect
D. HTTPcorrect
View answer
Correct Answer: ACD
Question #16
A certain project needs to save the online data in a certain area and search the full text whether there is any sensitive information in these online records to prevent crimes in the area. In this scenario, which of the following is the best solution?
A. Store data on HBase, and satisfy fuzzy matching queries through HBase's filtering features
B. Create an index on Solr, save the data, and return all the data when searching the full text
C. When storing data, create an index on Solr and store the complete data in HBasx; when querying, obtain key information of records through Solr full-text search, and obtain complete records on HBase through key information
View answer
Correct Answer: C
Question #17
In FusionInsight HD, what are the roles that belong to the Streaming service? (multiple choice)
A. Nimbuscorrect
B. Supervisorcorrect
C. Broker
D. quorumpeer
View answer
Correct Answer: AB
Question #18
existHBaseWhich of the following interfaces or classes does not need to be involved in the implementation of business logic for writing data?
A. Put
B. HTable
C. HBaseAdmin
D. PutList
View answer
Correct Answer: C
Question #19
As the core object of Spark, which of the following characteristics does RDD have? (multiple choice)
A. Read onlycorrect
B. Partitioncorrect
C. Fault tolerancecorrect
D. Efficientcorrect
View answer
Correct Answer: ABCD
Question #20
In MapReduce application development, which of the following JAVA classes is responsible for managing and running a computing task?
A. lobcorrect
B. Context
C. FileSystem
D. Configuration
View answer
Correct Answer: A
Question #21
FusionInsight HDin, useStreamingThe command? way to submitexample.jarmiddleom huawei example WrodCounttask, task name iswcTeat, is the following execution command correct?
A. Astorm jar example jar wcTest om huawei example WordCount
B. Bstorm jar example jar wcTest WrodCount
C. Cstorm jar example jar om huawei example WordCount wcTest
D. Dstorm jar example jar WorkCount wcTest
View answer
Correct Answer: C
Question #22
In the FusionInsight HD product, what is the role name of the Kafka service?
A. Producer
B. Brokercorrect
C. Consumer
D. ZooKeeper
View answer
Correct Answer: B
Question #23
aboutStreamingthe topology (Topology), which of the following descriptions is wrong?
A. AOneTopologyis made up of a group ofSpoutcomponents andBoltcomponents passStream GroupingsA connected directed acyclic graph(DAG)
B. BTopologywill run until it is explicitlykill
C. CBusiness logic is encapsulatedTopologymiddle
D. DOneTopologyOnly one can be specified to startWorkerprocess
View answer
Correct Answer: D
Question #24
existSpark, which of the following statements about broadcast variables is correct?
A. broadcast variable viaSparkContext
B. Broadcast variables are read-only
C. broadcast variable in everyTasksave a copy
D. broadcast variable in eachExecutorsave a copy
View answer
Correct Answer: ABD
Question #25
In a FusionInsight HD cluster, Flume does not support writing collected data to which service in the cluster?
A. HDFS
B. HBase
C. Kafka
D. Rediscorrect
View answer
Correct Answer: D
Question #26
In Spark, assuming that lines is a DStream object, which of the following statements can periodically count the number of words on this stream?
A. Iines
B. Iines
C. Iines
D. Iines
View answer
Correct Answer: C
Question #27
On the client of FusionInsight HD, execute the kinit {account} command to get what item of KDC?
A. ST
B. jaas
C. TGT
D. Krb5
View answer
Correct Answer: C
Question #28
Which of the following scenarios is notflinkWhat does the component excel at()? (multiple choice)
A. Processing
B. Batch Iterative
C. Computing Stream
D. Data Storage
View answer
Correct Answer: CD
Question #29
existSolrWhen indexing, which of the following code snippets can significantly improve indexing performance? (multiple choice)
A. AmouthIbClient
B. Bmouthif(updateRequest
C. Cmouthif(updateRequest
D. DcloudSolrClient
View answer
Correct Answer: ABC
Question #30
What are the several parameter setting methods for Spark applications? (multiple choices)
A. In the application code, set through the SparkConf object
B. Configure in the application configuration file spark-defaults
C. When submitting the application, set it through --conf
D. In the application code, set by the setProperty method of SparkContext
View answer
Correct Answer: ABC

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