Huawei HCIP-Big Data Developer (H13-723-ENU) Free Practice Test
Question 1
In FusionInsight HD, when using SparkSQL, which of the following methods (or tools) can be used to execute SQL statements? (multiple choice)
Correct Answer: A,B,C
Question 2
A large manufacturing company plans to transform its internal logistics data and sales data into big data. The design department has given an analysis of the data storage plan. Which of the following descriptions is correct?
Correct Answer: A,B,C,D
Question 3
In FusionInsight HD, if there are multiple sources in a Flume configuration file, the source names cannot be repeated.
Correct Answer: B
Question 4
Spark Streaming, as a stream processing engine for micro-batch processing, converts the data of each time slice into a partition in an RDD for calculation.
Correct Answer: B
Question 5
For files stored in N (N>1) copies, the HDFS client initiates a file read request. If the read copy node fails, it will directly return to failure and will not go to other copy nodes for reading.
Correct Answer: A
Question 6
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.
Correct Answer: A
Question 7
In Spark, which of the following is the operator that takes the intersection of the DataFrame?
Correct Answer: C
Question 8
In FusionInsight HD, regarding Oozie's job operation commands, which of the following descriptions are correct? (multiple choice)
Correct Answer: A,B,C,D
Question 9
When creating a user through the FusionInsight manager interface, if you want the user to have read and write permissions for all topics, but do not have the permission to create topics, which group of Kafka service should be added?
Correct Answer: B
Question 10
In the implementation of the business logic of HBase writing data, which of the following interfaces or classes does not need to be involved?
Correct Answer: C