HCIP-Big Data-Developer Certification Exam H13-723-ENU Test Dumps

1. In the implementation of the business logic of HBase writing data, which of the following interfaces or classes does not need to be involved?

2. In MapReduce application development, which of the following JAVA classes is responsible for managing and running a computing task?

3. In FusionInsight HD, Oozie needs to upload the configuration files and jar packages that the job relies on to HDFS before submitting the job

4. In the Fusioninsight HD product, what is wrong about the Kafka secure and non-secure port description?

(Note: The old API refers to the old Producer API and the old Consumer API. Among them, the old Consumer API: refers to the interface defined in kafka.consumer.ConsumerConnector; the old Producer API: refers to the interface defined in kafka.producer.Producer.)

5. Which of the following methods can generate DStream objects?

6. Regarding the file format provided by Hive in the FusionInsight HD system, which is not a columnar file?

7. In FusionInsight HD, for the creation and read-write permissions of various resources in Solr, which of the following statements is wrong?

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

9. To create a table through HBase's createTable method, what parameters must be passed in?

10. The system time of the node where the HDFS client is located must be consistent with the system time of the FusionInsight HD cluster. If there is a time difference, the time difference should be less than a few minutes?

11. In the process of Flume cascade transmission, you can use the fail over mode to transmit, so that if the Flume node of the next hop fails or the data is received abnormally, it can automatically switch to another way to continue transmission.

12. In FusionInsight HD, what are the roles that belong to the Streaming service? (multiple choice)

13. Regarding Streaming's topology, what is wrong in the following description?

14. When the HDFS client writes files to HDFS with N copies, if one of the copies fails to write, all copies will return the write failure.

15. 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?

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

17. As the core object of Spark, which of the following characteristics does RDD have? (multiple choice)

18. In FusionInsight HD, what are the computing frameworks that can be used in real-time processing scenarios? (multiple choice)

19. In FusionInsight HD, which method of the OozieClient class will be called by the JAVA API of the Oozie client when running tasks?

20. Set the data block storage size to 128M. When the HDFS client writes a file, when writing a 100M file, how much storage space is actually occupied?

21. Which of the following reasons will cause HDFS NameNode to enter safemode (safe read-only mode)? (multiple choice)

22. For the HBase component of the FusionInsight HD platform, what attributes of the secondary index need to be defined when adding a secondary index? (multiple choice)

23. When a MapReduce application is executed, which of the following actions occurred before the map phase?

24. In FusionInsight HD, regarding the secondary development of Hive UDF, which of the following descriptions is correct? (multiple choice)

25. In the FusionInsight HD product, what is the role name of the Kafka service?

26. What are the several parameter setting methods for Spark applications? (multiple choices)

27. In a FusionInsight HD cluster, Flume does not support writing collected data to which service in the cluster?

28. In Spark, assuming that lines is a DStream object, which of the following statements can periodically count the number of words on this stream?

29. HBase filters can set column names or column values ​​ as filter conditions, and support multiple filters to be used together.

30. Regarding the disaster tolerance of Streaming, which of the following statements is correct? (multiple choice)

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?

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

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

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?

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)

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?

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.

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?

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.

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