H13-723_V2.0 Exam Questions

There are scenarios where 500G of new data is generated by the online system every day, and these data need to be statistically summarized in dimensions such as days, weeks, and mo...

Solr is a high-performance, full-text search service based on Lucene. Solr has extended Lucene to provide a richer query language than Lucene, and implements a powerful full-text s...

In Spark, assuming that lines is a DStream object, the filter statement can filter out 80% of the data. Which statement is correct for the following two statements: X: lines.filter...

Regarding Redis cluster topology information, which of the following descriptions is correct?

In Kafka, Consumer can support both offline and online message consumption, but the consumption of data is sequential consumption.

In the V100R002C60 version of the FusionInsight HD system, Hive only supports query services based on the MapReduce engine, and does not support query services based on the Spark e...

In HBase of FusionInsight HD, which of the following scenarios will not trigger the Flush operation?

In Kafka, which of the following commands can check how many partitions a topic has?

In FusionInsight HD, if there are multiple sources in a Flume configuration file, the source names cannot be repeated.

HDFS is not suitable for which of the following business scenarios?

An application needs to interact with two FusionInsight clusters at the same time: it needs to access both the HBase service of cluster 1 and the Hive service of cluster 2; So whic...

In FusionInsight HD V100R002C60, regarding the Hive Python interface type, which of the following descriptions is incorrect?

In FusionInsight HD, which of the following scenarios does Streaming apply to? (multiple choice)

Regarding the flow of data in Flume, which of the following descriptions is correct?

Regarding the characteristics of the data collected by Flume, which of the following descriptions is correct?

Which of the following measures can improve the query performance of HBase? (multiple choice)

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)...

When developing applications in the FusionInsight HD security version, the keytab file can be used for Kerberos security authentication.

When a task is submitted to the YARN cluster, which of the following options will generate a job id for the task?

In the FusionInsight HD cluster, regarding the kinit operation command, which of the following statements are wrong? (multiple choice)

In a MapReduce application, the output of the map function is processed by the MapReduce framework and sent to the reduce function. This process is based on key-value pairs for sor...

In FusionInsight HD, in which ways can I view the debugging results of Oozie jobs? (multiple choice)

In FusionInsight HD, regarding Ooze job management, which of the following operations can be performed on suspended jobs? (multiple choice)

In FusionInsight HD, which parts of a complete Streaming CQL application include at least? (multiple choice)

A customer has the following scenario: indexing PB-level data requires real-time indexing performance of more than 2MB/s, and supports full-text retrieval, and requires query perfo...

When designing a certain collection of Solr, you need to design its Schema, and realize the design of the Schema by configuring the schema.xml file. What is wrong about the Schema...

In Streaming application development, which interface does Bolt use to send Tuples?

When writing MapReduce applications, which two interfaces usually need developers to implement?

Regarding the Hive service of the FusionInsight HD platform and its WebHCat development interface, which of the following descriptions is incorrect?

When HDFS is running, the NameNode will load all the metadata of the file system from the disk to the memory. Therefore, the total number of files that the file system can store is...

Suppose there is an application that needs to frequently access the user table in the Oracle database. In order to improve performance, Redis is introduced to cache user informatio...

In FusionInsight HD, when using SparkSQL, which of the following methods (or tools) can be used to execute SQL statements? (multiple choice)

Which of the following is not a feature of MapReduce?

Which of the following options is the core function of Yarn?

Document is the main entity stored in the SolrColud cluster. It is the basic unit of indexing and query. It can contain one or more fields and is a set of data describing certain t...

Hive service and HBase service are deployed on a FusionInsight cluster, and two apps (applications) are deployed on Tomcat. One app is to access the HBase service, and the other ap...

In Spark, SparkSQL is an independent module, which can independently complete SQL statement parsing, optimization, and execution without relying on SparkCore.

In the MapReduce development framework, what is the function of the InputFormat class?

HDFS adopts a file access model of "write once, read many times". Therefore, it is recommended that after a file is created, written, and closed, it should not be modified.

In FusionInsight HD, about Hive and Sparksql, which of the following descriptions are correct? (multiple choice)

When the HBase application is running, the application can write data while creating a table.

In FusionInsight HD, assuming a topology, spout concurrency is set to 3, bolt1 concurrency is 2, bolt2 concurrency is 3, and the number of workers is 2, then how are bolt1's execut...

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

The calculation logic of the Spark application will be parsed into DNG. Which of the following functional modules will complete this parsing operation?

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 nod...

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.

Which of the following is correct about the HDFS client's file reading process? (multiple choice)

In FusionInsight HD, Spark uses YARN as the cluster resource management system by default.

In Spark, because DataFrame is a higher-level interface than RDD, the call level will be more. Therefore, the performance of all programs developed based on DataFrame will be worse...

In FusionInsight HD, regarding the partition function of Hive, what is wrong in the following description?