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Huawei H13-723-ENU Exam Syllabus Topics:

Huawei HCIP-Big Data Developer Sample Questions:

1. In Spark, which of the following is the operator that takes the intersection of the DataFrame?

A) join (right: DataFrame, join Exprs: Column): DataFrame
B) filter (condifionExpr: String): DataFrame
C) intersect (other: Data Fra me): Data Fra me
D) dropDuplicates():DataFrame

2. For an application running on the MapReduce platform, where will the jar package that the application depends on be placed?

A) DB
B) HDFS
C) HIVE
D) HBASE

3. In FusionInsight HD, regarding Hive's data loading function (importing data through Hive's LOAD command), what is wrong in the following description?

A) It can be directly loaded to the hive table from the local hard disk of the node where the client is located
B) It can be loaded directly to the hive table from HDFS
C) Hive's data loading process will not parse the specific file content, mainly the process of file transfer
D) It can be directly loaded to the hive table from the local hard disk of the node where HiveServer is located

4. 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)

A) The query field must be sorted
B) 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);
C) There will be nextCursorMark in the return result of Solr, use this value as oursorMark in the next call
D) The uniqueKey field must be sorted
E) When querying, the start parameter cannot be included in the request

5. 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)

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

Solutions: