H13-723_V2.0 Exam Questions
162 real H13-723_V2.0 exam questions with expert-verified answers and explanations. Page 1 of 4.
- Question #1
In FusionInsight HD, what are the roles that belong to the Streaming service? (multiple choice)
- Question #2
Regarding Streaming's topology, what is wrong in the following description?
- Question #3
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.
- Question #4
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 corre...
- Question #5
For an application running on the MapReduce platform, where will the jar package that the application depends on be placed?
- Question #6
As the core object of Spark, which of the following characteristics does RDD have? (multiple choice)
- Question #7
In FusionInsight HD, what are the computing frameworks that can be used in real-time processing scenarios? (multiple choice)
- Question #8
In FusionInsight HD, which method of the OozieClient class will be called by the JAVA API of the Oozie client when running tasks?
- Question #9
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?
- Question #10
Which of the following reasons will cause HDFS NameNode to enter safemode (safe read-only mode)? (multiple choice)
- Question #11
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)
- Question #12
When a MapReduce application is executed, which of the following actions occurred before the map phase?
- Question #13
In FusionInsight HD, regarding the secondary development of Hive UDF, which of the following descriptions is correct? (multiple choice)
- Question #14
In the FusionInsight HD product, what is the role name of the Kafka service?
- Question #15
What are the several parameter setting methods for Spark applications? (multiple choices)
- Question #16
In a FusionInsight HD cluster, Flume does not support writing collected data to which service in the cluster?
- Question #17
In Spark, assuming that lines is a DStream object, which of the following statements can periodically count the number of words on this stream?
- Question #18
HBase filters can set column names or column values as filter conditions, and support multiple filters to be used together.
- Question #19
Regarding the disaster tolerance of Streaming, which of the following statements is correct? (multiple choice)
- Question #20
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...
- Question #21
When indexing in Solr, which of the following code snippets can significantly improve indexing performance? (multiple choice)
- Question #22
In FusionInsigt HD, which of the following components can be used for data collection? (multiple choice)
- Question #23
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...
- Question #24
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...
- Question #25
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 t...
- Question #26
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.
- Question #27
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...
- Question #28
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 fie...
- Question #29
In FusionInsight HD, which of the following source types does Flume support? (multiple choice)
- Question #30
In FusionInsight HD, which of the following are the configuration items of Oozie's MapReduce Action? (multiple choice)
- Question #31
In Kafka, the Producer can ensure that the data is sent in order by configuring the synchronization parameters (producer.type).
- Question #32
On the client of FusionInsight HD, execute the kinit {account} command to get what item of KDC?
- Question #33
Which of the following table types does Hive support? (multiple choice)
- Question #34
In Spark, the accumulator can realize high-speed parallel counter and variable summation; in the process of Spark application development, only the value of this counter can be obt...
- Question #35
Redis LIST data structure, which of the following scenarios is suitable for? (multiple choice)
- Question #36
In FusionInsight HD, when using Streaming's ACK mechanism, which of the following statements are correct? (multiple choice)
- Question #37
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. Whi...
- Question #38
There is a file test.txt in the root directory of the HDFS cluster. Which of the following commands can check the DatNode node information stored in this file?
- Question #39
When the HDFS client writes files with N copies, which of the following is correct about the writing process? (multiple choice)
- Question #40
In the FusionInsight HD system, what interface types does Hive support? (multiple choice)
- Question #41
In FusionInsight HD, where can I view the running results of the MapReduce application?
- Question #42
In the FusionInsight HD HBase cluster, Table1 belongs to Namespace1, Table2 belongs to Namespace2, and Table1 has two column families, namely cf11 and cf12, and Table2 has a column...
- Question #43
In which of the following is the MapReduce task finally executed?
- Question #44
Which role in Yarn manages the resources (CPU/Memory) of a single node?
- Question #45
There are the following business scenarios: the user's online log files have been stored on HDFS, and the log file content format is: each online record has three fields, namely na...
- Question #46
Which Redis commands are atomic operations?
- Question #47
In FusionInsigt HD, if an application wants to complete Kerberos security authentication, which of the following options must be used? (multiple choice)
- Question #48
For HBase column family, which of the following attributes can be set? (multiple choice)
- Question #49
In FusionInsight HD, which components provide external SQL or SQL-like capabilities? (multiple choice)
- Question #50
In the online log query solution, stream processing is used to complete the calculation. During the entire calculation process, intermediate calculation results need to be temporar...