[Apr-2022] The Best Huawei Other Certification H13-723 Professional Exam Questions [Q30-Q51]

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[Apr-2022] The Best Huawei Other Certification H13-723 Professional Exam Questions

Try 100% Updated H13-723 Exam Questions [2022]

NEW QUESTION 30
When a task is submitted to the YARN cluster, which of the following options will generate a job id for the task?

ResourceManager

container

AppMaster

NodeManager

NEW QUESTION 31
Which Redis commands are atomic operations?

INCR (increase the stored digital value by one)

HINCRBY (add incremental increment to the field value in the hash table key)

LPUSH (push operation on linked list)

All of the above

NEW QUESTION 32
In the Solr application query scenario, when the query results are paged in depth, the cursor needs to be used to page in depth. Which of the following is correct about the cursor? (multiple choice)

The query field must be sorted

The uniqueKey field must be sorted

In the first query request, you need to specify the query parameters, the operation method is as follows: solrQuery.set (CursorMarkParams.CURSOR_MARK_PARAM, CursorMarkParams.CURSOR_MARK_START);

When querying, the start parameter cannot be included in the request

There will be nextCursorMark in the return result of Solr, use this value as oursorMark in the next call

NEW QUESTION 33
In the FusionInsight HD HBase cluster, Table1 belongs to Namespace1, Table2 belongs to Namespace2, and Table1 has two column families, namely cf11 and cf12, and Table2 has a column family named cf21. Which of the following schemes allows user account A to be at the same time Have read and write permissions for cf11 and cf21. (Multiple choice)

Give the user account global read permission

Grant the user account Namespace1 read and write permissions

Grant the user account Table1 and Tablet2 read and write permissions

Grant the user account Namespace1 and Namespace2 read and write permissions

NEW QUESTION 34
When designing a certain collection of Solr, you need to design its Schema, and realize the design of the Schema by configuring the schema.xml file. What is wrong about the Schema statement below?

Schema is similar to the table structure in a relational database. It is used to define the structure of index data. It mainly consists of three parts: unlqueKey, Field and FleldType.

For fields that do not need to store the original value, the stored attribute can be set to false.

For a field of the same document, there are multiple values, and they all need to be retained, then the multiValued of the field must be set to true.

copyField can be defined as follows: <field name= ” cat ” type= ” string ” indexed = ” true ” stored = ” true ” docValues= ” true ” multiValued= ” false ” /> <field name= ” dog ” type = ” string ” indexed = ” true ” stored = ” true ” docValues= ” true ” multi Valued = ” false ” /> <field name= ” text ” type= ” text_general ” indexed = ” true ” stored = ” false ” multiValued = ” false ” /> <copyField source= ” cat ” dest= ” text ” maxChars= ” 30000 ” /> <copyField source= ” dog ” dest= ” text ” maxChars = ” 30000 ” />.

NEW QUESTION 35
In the FusionInsight HD system, in the Solr example project solr-exampleconfsolr-example.properties, the values of ZK_URL and ZOOKEEPER_DEFAULT_SERVER_PRINCIPAL can be obtained from which of the following options?

Obtain from the Solr Admin UI interface

In solr-exampleconfsolr-example.properties, these two parameters are already included by default

Obtained from the FusionInsight Manager Solr service configuration interface

NEW QUESTION 36
In FusionInsight HD, regarding Hive’s data loading function (importing data through Hive’s LOAD command), what is wrong in the following description?

It can be loaded directly to the hive table from HDFS

It can be directly loaded to the hive table from the local hard disk of the node where HiveServer is located

It can be directly loaded to the hive table from the local hard disk of the node where the client is located

Hive’s data loading process will not parse the specific file content, mainly the process of file transfer

NEW QUESTION 37
Regarding the flow of data in Flume, which of the following descriptions is correct?

(1) Data from source to channel; (2) Sink gets data from channel

(1) Data from channle to source; (2) Sink gets data from source

(1) Data from sink to channle; (2) Source gets data from channel

(1) Data from channle to source; (2) Sink gets data from source

NEW QUESTION 38
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?

Create an index on Solr, save the data, and return all the data when searching the full text.

Store data on HBase, and satisfy fuzzy matching queries through HBase’s filtering features.

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.

NEW QUESTION 39
There are the following business scenarios: the user’s online log files have been stored on HDFS, and the log file content format is: each online record has three fields, namely name, gender, and online time, separated by “,” between the fields; All female netizens who spend more than two hours online are required to print out.
Which of the following code fragments can achieve the above business scenarios? (multiple choice)

sc.textFile( ” /data/file/path ” .map(_.split( ” , ” ).map(p => Femalelnfo(p(0), p(1), p (2) .trim.tolnt)).toDF.registerTempTable(“FemalelnfoTable”) sqlContext.sql(“select name,sum(stayTime) as stayTime from FemalelnfoTable where gender = ‘ Female ‘ group by name ” ).filter( ” stayTime >= 120 ” ).collect().foreach(println)

sc.textFile( ” /data/file/path ” .map(_.split( ” , ” ).map(p => Femalelnfo(p(0), p(1), p (2) .trim.tolnt)).toDF.registerTempTable(“FemalelnfoTable”) sqlContext.sql(“select name,sum(stayTime) as stayTime from FemalelnfoTable where gender = ‘ Female ‘” ).filter( ” stayTime >= 120 ” ).collect().foreach(println)

val text = sc.textFile(“/data/file/path”) val data = text.filter(_.contains(“female”)) val femaleData:RDD[(String,Int)] = data.map{Iine => val t = line.split( ‘ , ‘ ) (t(0),t(2).tolnt) }.reduceByKey(_ + _) val result = femaleData.filter(line => line._2> 120) result.collect().map(x => x._1 + ‘ , ‘ + x._2).foreach(println)

val text = sc.textFile(“/data/file/path”) val data = text.filter(_.contains(“female”)) val femaleData:RDD[(String,Int)] = data.map{Iine => val t = line.split( ‘ , ‘ ) (t(0),t(2).tolnt) }. val result = femaleData.filter(line => line._2> 120) result.collect().map(x => x._1 + ‘ , ‘ + x._2).foreach(println)

NEW QUESTION 40
In FusionInsight HD, which of the following source types does Flume support? (multiple choice)

Avro

HBase

Kafka

HTTP

NEW QUESTION 41
A customer has the following scenario: indexing PB-level data requires real-time indexing performance of more than 2MB/s, and supports full-text retrieval, and requires query performance to reach a second-level response.
For the above scenarios, regarding the Solr collection design, which of the following design schemes are reasonable? (multiple choices)

In the configuration set, the DirectoryFactory parameter in the solrconfig.xml file can be set to org.apache.solr.core.NIOFSDirectoryFactory

It can be used in conjunction with HBase. Solr only builds indexes for non-RowKey fields that need to be retrieved. HBase is responsible for storing data in all fields.

It can be used in conjunction with Hbase, set the uniqueKey field and HBase RowKey field to the same value, and use the implicit Router method to make the document evenly distributed to each shard

When creating a Collection, you can set the number of Shards to be an integer multiple of the number of SoIrServer instances to ensure that each SoIrServer instance is negatively balanced as much as possible

NEW QUESTION 42
Redis LIST data structure, which of the following scenarios is suitable for? (multiple choice)

Build a queue system, such as a message queue

uniq operation, for example, get the weight value of all data in a certain period of time

Get the latest N data operations: for example, get the latest 10 comments on a Weibo

Simulate stack operation

NEW QUESTION 43
In Kafka, which statement about Consumer is correct? (multiple choice)

Consumer mainly conducts data consumption

Topic needs to be specified when Consumer consumes data

When multiple Consumers are configured with the same group.id, the data consumed by these Consumers will not be repeated

The new ConsumerAPI consumption data does not need to specify the ZooKeeper address

NEW QUESTION 44
In Kafka, which of the following commands can check how many partitions a topic has?

kafka-topics.sh – describe

kafka-topics.sh –list

kafka-topics.sh –alter

kafka-topics.sh –create

NEW QUESTION 45
Regarding the characteristics of Redis, which of the following descriptions is correct? (multiple choice)

Low latency

Rich data structure

Support data persistence

Support SQL query interface

NEW QUESTION 46
In Spark, which of the following is the operator that takes the intersection of the DataFrame?

filter (condifionExpr: String): DataFrame

join (right: DataFrame, join Exprs: Column): DataFrame

intersect (other: Data Fra me): Data Fra me

dropDuplicates():DataFrame

NEW QUESTION 47
Regarding Redis cluster topology information, which of the following descriptions is correct?

The client caches the cluster topology information

The server caches the cluster topology information

Both

Neither

NEW QUESTION 48
The calculation logic of the Spark application will be parsed into DNG. Which of the following functional modules will complete this parsing operation?

Client

Application Master

Executor

Driver

NEW QUESTION 49
When the cluster is normal, the Redis client initiates a get call, and there are () message interactions between the client and the server?

NEW QUESTION 50
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?

storm jar example .jar wcTest om.huawei.example.WordCount

storm jar example .jar wcTest WordCount

storm jar example .jar om.huawei.example.WordCount wcTest

storm jar example.jar WordCount wcTest

NEW QUESTION 51
In FusionInsight HD, regarding Oozie’s job operation commands, which of the following descriptions are correct? (multiple choice)

The submit command can change the status of the job to PREP

The start command can make the job in the PREP state become RUNNING

The run command can make the job status RUNNING

The kill command can be used on jobs in PREP/SUSPEND/RUNNING status

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[Apr-2022] The Best Huawei Other Certification H13-723 Professional Exam Questions [Q30-Q51]

April 11, 2022

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[Apr-2022] The Best Huawei Other Certification H13-723 Professional Exam Questions [Q30-Q51]

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