Huawei H13-723-ENU HCIP-Big Data Developer Online Training

Huawei H13-723-ENU Online Training

The questions for H13-723-ENU were last updated at Nov 23,2024.

Exam Code: H13-723-ENU
Exam Name: HCIP-Big Data Developer
Certification Provider: Huawei
Latest update: Nov 23,2024

Question #31

The rowkey design of HBase table is a very important development and design link.

Suppose there are the following scenarios. The most frequent query scenario is based on the mobile phone number to query the historical call records every month and every six months. Which of the following rowkey designs is the best?

A . Name + mobile phone number
B . Date + mobile phone number
C . Mobile number + date
D . Mobile phone number + name

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Question #32

When indexing in Solr, which of the following code snippets can significantly improve indexing performance? (multiple choice)

A . lbClient.setRequestWriter (new BinaryRequestWriter());
B . if (updateRequest.getDocumentsMap().size() >= 10000) {
cloudSolrClient.request (updateRequest, collName);
updateRequest.clear();
}
C . if (updateRequest.getDocuments().size() >= 1000) {
cloudSolrClient.request (updateRequest, collName);
updateRequest.clear();
}
D . SolrlnputDocument doc = new SolrlnputDocument();
doc.addField ("id", i.toString());
doc.addField ("name", "Zhang San" + i);
doc.addField ("features", "test" + );
doc.addField ("price", (float) i * 1.01);

cloudSolrClient.add (doc);
cloudSolrClient.commit();

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Question #33

In FusionInsigt HD, which of the following components can be used for data collection? (multiple choice)

A . Flume
B . Loader
C . HBase
D . MapReduoe

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Question #34

When using Solr for full-text search, you can specify the response format of the query result through the wt parameter.

Regarding the response format of Solr query results, what is wrong in the following statement?

A . Support CSV and JSON
B . Support CSV, JSON and HTML
C . Support CSV, JSON and XML

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Question #35

During the Solr application development of FusionInsight HD products, you can verify the Collection through the Solr Admin UI.

Which of the following statements about Solr Admin UI is correct? (multiple choice)

A . Click Tree under Cloud to view metadata information such as Collections, configuration sets and live_nodes in Solr Cloud
B . Click Cloud to view the distribution and status of each ShardReplica under each Collection
C . Enter the Core Overview interface of the Shard Replica of a Collection, you can view the actual number of documents, storage size and location information of the Replica index
D . Solr user group, Solr admin role and Super group users can access Solr Admin UI

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Question #36

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.

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Question #37

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 . False

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Question #38

Suppose there is an application, there are 10 tables, each table has tens of millions of records, and the number of fields is about 20.

Now Redis is used to cache the data of these 10 tables. For the design of the data structure, which of the following is the best design?

A . A hash structure is adopted, and a table uses a hash KEY, and a row in the table records a field for the hash KEY.
B . Using a hash structure, each row record of each table uses a hash KEY, the field of the hash KEY corresponds to the field of the table record, and each table is designed with a different prefix to distinguish it.
C . Using string structure, each field in each row of each table uses a KEY.
D . Using string structure, each row of each table uses a KEY, and value is the concatenated value of all the fields in a row of the table.

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Question #39

In the Hive application of FusionInsight HD, there are scenarios where the data storage file has a high compression efficiency, and most queries only involve a part of the file field. This scenario is suitable for ORC File storage.