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Huawei H13-723-ENU Exam Syllabus Topics:

Huawei HCIP-Big Data Developer Sample Questions:

1. In which of the following is the MapReduce task finally executed?

A) ResourceManager
B) AppMaster
C) NodeManager
D) container

2. In HDFS application development, which of the following are the interfaces supported by the HDFS service? (multiple choice)

A) BufferedOutputStream.write
B) FileSystem.create
C) BufferedOutputStream.flush
D) FileSystem.append

3. When the HDFS client writes files with N copies, which of the following is correct about the writing process? (multiple choice)

A) The copied file blocks are all stored on the same rack by default.
B) Support multiple users to write to the same file at the same time.
C) The first copy of the data block is prioritized on the node where the client writing the data block is located.
D) Each DataNode can store at most 1 copy.

4. Oozie's workflow.xml file is a workflow configuration file

A) True
B) False

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

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

Solutions: