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Huawei HCIP-Big Data Developer Sample Questions:

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

A) 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();
B) lbClient.setRequestWriter (new BinaryRequestWriter());
C) if (updateRequest.getDocumentsMap().size() >= 10000) { cloudSolrClient.request (updateRequest, collName); updateRequest.clear(); }
D) if (updateRequest.getDocuments().size() >= 1000) { cloudSolrClient.request (updateRequest, collName); updateRequest.clear(); }

2. Regarding the characteristics of the data collected by Flume, which of the following descriptions is correct?

A) Only structured data can be collected
B) Support distributed and streaming collection
C) Parallel collection with MapReduce tasks
D) Use external timing tasks to trigger data collection

3. In Spark, which statement about broadcast variables is correct?

A) The broadcast variable is saved in each Executor
B) Broadcast variables are read-only
C) Broadcast variables are generated by the SparkContext.broadcast() method
D) Broadcast variables are saved in each Task

4. 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, JSON and HTML
B) Support CSV and JSON
C) Support CSV, JSON and XML

5. In FusionInsight HD, which components provide external SQL or SQL-like capabilities? (multiple choice)

A) HBase
B) Hive
C) Redis
D) Spark

Solutions: