[2021] Valid H13-723-ENU test answers & Huawei H13-723-ENU exam pdf [Q57-Q82]

[2021] Valid H13-723-ENU test answers & Huawei H13-723-ENU exam pdf

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NEW QUESTION 57
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.

• A. False
• B. True

Answer: A

 

NEW QUESTION 58
In FusionInsight HD, which parts of a complete Streaming CQL application include at least? (multiple choice)

• A. Business operation statements (such as SELECT, INSERT, JION, etc.)
• B. Create an input stream
• C. Create an output stream
• D. Application submission statement

Answer: A,B,C,D

 

NEW QUESTION 59
Regarding Streaming's topology, what is wrong in the following description?

• A. Topology will keep running until it is explicitly killed
• B. A Topology is a directed acyclic graph (DAG) connected by a set of Spout components and Bolt components through Stream Groupings
• C. Business logic is encapsulated in Topology
• D. A Topology can only specify to start one Worker process

Answer: D

 

NEW QUESTION 60
In Spark, SparkSQL is an independent module, which can independently complete SQL statement parsing, optimization, and execution without relying on SparkCore.

• A. False
• B. True

Answer: A

 

NEW QUESTION 61
On the client of FusionInsight HD, execute the kinit {account} command to get what item of KDC?

• A. ST
• B. Krb5.conf
• C. jaas.conf
• D. TGT

Answer: D

 

NEW QUESTION 62
Regarding the characteristics of Redis, which of the following descriptions is correct? (multiple choice)

• A. Support SQL query interface
• B. Support data persistence
• C. Low latency
• D. Rich data structure

Answer: B,C,D

 

NEW QUESTION 63
In FusionInsight HD, which method of the OozieClient class will be called by the JAVA API of the Oozie client when running tasks?

• A. suspend
• B. submit
• C. getJobInfo
• D. run

Answer: D

 

NEW QUESTION 64
For an application running on the MapReduce platform, where will the jar package that the application depends on be placed?

• A. DB
• B. HDFS
• C. HBASE
• D. HIVE

Answer: B

 

NEW QUESTION 65
If a user wants to develop an application to access the HBase service, he first applies for a machine-to-machine account teste1, and sets the permission to access the HBase service: then download the keytab file of the account and use the account to run the application. Subsequent business requirements for this application require access to the Hive service. After the tested user is granted access to the Hive component, the user's keytab file needs to be re-downloaded.

• A. False
• B. True

Answer: A

 

NEW QUESTION 66
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 things. Each document must contain a uniqueKey field that can uniquely identify the document.

• A. False
• B. True

Answer: B

 

NEW QUESTION 67
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)

• A. hive.intermediate.compression.codec
• B. hive.exec.compress.intermediate
• C. hive.exec.compress.output
• D. hive.intermediate.compression.type

Answer: A,B,D

 

NEW QUESTION 68
Which of the following is correct about the HDFS client's file reading process? (multiple choice)

• A. The file data is first returned from the DataNode to the NameNode, and then sent from the NameNode to the client.
• B. Support multiple clients to read the same file data from the DataNode at the same time.
• C. Download data from the nearest DataNode first.
• D. If the client and the connected DataNode fail during reading, the client will abandon the failed node and connect to the node where the other replica is located.

Answer: B,C,D

 

NEW QUESTION 69
In FusionInsigt HD, if an application wants to complete Kerberos security authentication, which of the following options must be used? (multiple choice)

• A. User account applied for on FusionInsight Manager
• B. krb5.conf configuration file
• C. The keytab file of the user account
• D. jaas.conf configuration file

Answer: A,B,C

 

NEW QUESTION 70
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.

• A. False
• B. True

Answer: B

 

NEW QUESTION 71
Regarding the Hive service of the FusionInsight HD platform and its WebHCat development interface, which of the following descriptions is incorrect?

• A. You can create tables, query and other operations through WebHCat
• B. Support REST-based query request
• C. The data format returned by WebHCat is XML
• D. WebHCat provides external services based on HTTP and HTTPS protocols

Answer: C

 

NEW QUESTION 72
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)

• A. Index name
• B. Index column
• C. The name of the column family to which the index column belongs
• D. Index column type

Answer: A,B,C,D

 

NEW QUESTION 73
In FusionInsight HD, if there are multiple sources in a Flume configuration file, the source names cannot be repeated.

• A. False
• B. True

Answer: B

 

NEW QUESTION 74
In Flume, what is the main function of the source function module?

• A. Cache data and save the data in memory or files according to different reliability strategies
• B. Output data to destination, support multiple output protocols
• C. Split the data and send the data to different destinations according to the characteristics of the data
• D. Obtain data and convert the original data into data objects that you process

Answer: D

 

NEW QUESTION 75
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 engine.

• A. False
• B. True

Answer: A

 

NEW QUESTION 76
In the FusionInsight HD system, in the Solr example project solr-example\conf\solr-example.properties, the values of ZK_URL and ZOOKEEPER_DEFAULT_SERVER_PRINCIPAL can be obtained from which of the following options?

• A. In solr-example\conf\solr-example.properties, these two parameters are already included by default
• B. Obtain from the Solr Admin UI interface
• C. Obtained from the FusionInsight Manager Solr service configuration interface

Answer: B

 

NEW QUESTION 77
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 statement below?

• A. copyField can be defined as follows: <field name= " cat " type= " string " indexed = " true " stored = " true " docValues= " true " multiValued= " false " /> <field name= " dog " type = " string " indexed = " true " stored = " true " docValues= " true " multi Valued = " false " /> <field name= " text " type= " text_general " indexed = " true " stored = " false " multiValued = " false " /> <copyField source= " cat " dest= " text " maxChars= " 30000 " /> <copyField source= " dog " dest= " text " maxChars = " 30000 " />.
• B. For fields that do not need to store the original value, the stored attribute can be set to false.
• C. Schema is similar to the table structure in a relational database. It is used to define the structure of index data. It mainly consists of three parts: unlqueKey, Field and FleldType.
• D. For a field of the same document, there are multiple values, and they all need to be retained, then the multiValued of the field must be set to true.

Answer: A

 

NEW QUESTION 78
In FusionInsight HD, regarding Ooze job management, which of the following operations can be performed on suspended jobs? (multiple choice)

• A. submit
• B. run
• C. resume
• D. kill

Answer: C,D

 

NEW QUESTION 79
Which of the following reasons will cause HDFS NameNode to enter safemode (safe read-only mode)? (multiple choice)

• A. The missing copy exceeds the threshold.
• B. The damaged copy exceeds the threshold.
• C. The disk space where the metadata of the active and standby NameNodes reside is insufficient.
• D. The number of lost blocks exceeds the threshold.

Answer: C,D

 

NEW QUESTION 80
Regarding Redis cluster topology information, which of the following descriptions is correct?

• A. Both
• B. The server caches the cluster topology information
• C. The client caches the cluster topology information
• D. Neither

Answer: A

 

NEW QUESTION 81
In FusionInsight HD, which of the following source types does Flume support? (multiple choice)

• A. HTTP
• B. HBase
• C. Avro
• D. Kafka

Answer: A,C,D

 

NEW QUESTION 82
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