Huawei HCIP-Big Data Developer V1.0 (H13-723) Free Practice Test
Question 1
When developing applications in the FusionInsight HD security version, the keytab file can be used for Kerberos security authentication.
Correct Answer: B
Question 2
In FusionInsigt HD, an application deployed on Tomcat needs to access the HBase service. In this scenario, it is recommended to use a machine-to-machine account.
Correct Answer: B
Question 3
For HBase column family, which of the following attributes can be set? (multiple choice)
Correct Answer: B,C,D
Question 4
Which of the following methods can generate DStream objects?
Correct Answer: A,B,C,D
Question 5
In HBase application development, when the Rowkey range and distribution of a table are known, it is recommended to pre-divide regions. After calling the following code (fragment) to pre-divide a table into regions, this table will create several regions.
//Create a table of pre-partitioned regions
byte[][] splits=new byte[4][];
splits[0] = Bytes.toBytes("A");
splits[1] = Bytes.toBytes("H");
splits[2] = Bytes.toBytes("O");
splits[3] = Bytes.toBytes("U");
admin.createTable (htd, splits);
//Create a table of pre-partitioned regions
byte[][] splits=new byte[4][];
splits[0] = Bytes.toBytes("A");
splits[1] = Bytes.toBytes("H");
splits[2] = Bytes.toBytes("O");
splits[3] = Bytes.toBytes("U");
admin.createTable (htd, splits);
Correct Answer: D
Question 6
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 7
When Flume writes into HDFS, what are the file generation methods? (multiple choice)
Correct Answer: A,B,C,D
Question 8
In FusionInsigt HD, the user wants to query the contents of a certain HBase table through the HBase shell operation. In this scenario, it is recommended that the administrator assign a machine-to-machine account to the user.
Correct Answer: A
Question 9
In FusionInsight HD, what are the roles that belong to the Streaming service? (multiple choice)
Correct Answer: A,C
Question 10
In Kafka, the Producer can ensure that the data is sent in order by configuring the synchronization parameters (producer.type).
Correct Answer: B
Question 11
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?
Correct Answer: C
Question 12
In MapReduce application development, which of the following JAVA classes is responsible for managing and running a computing task?
Correct Answer: A
Question 13
Use FusionInsight HD's Hive to query data. When the amount of intermediate result data to be queried is large, you can choose to compress the intermediate result data to obtain better performance.
Which of the following are the relevant parameters for Hive intermediate result compression? (multiple choice)
Which of the following are the relevant parameters for Hive intermediate result compression? (multiple choice)
Correct Answer: A,B,C
Question 14
What methods does FusionInsight HD support to submit Oozie jobs? (multiple choice)
Correct Answer: A,B,C,D