[Dec 17, 2021] Free Huawei Other Certification H13-723 Exam Question
H13-723 dumps & Huawei Other Certification sure practice dumps
NEW QUESTION 63
Oozie's workflow.xml file is a workflow configuration file
- A. True
- B. False
Answer: A
NEW QUESTION 64
As the core object of Spark, which of the following characteristics does RDD have? (multiple choice)
- A. Read only
- B. Partition
- C. Efficient
- D. Fault tolerance
Answer: A,B,C,D
NEW QUESTION 65
Regarding the flow of data in Flume, which of the following descriptions is correct?
- A. (1) Data from source to channel; (2) Sink gets data from channel
- B. (1) Data from channle to source; (2) Sink gets data from source
- C. (1) Data from channle to source; (2) Sink gets data from source
- D. (1) Data from sink to channle; (2) Source gets data from channel
Answer: A
NEW QUESTION 66
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 temporarily stored. Which of the following components is suitable for storing intermediate calculation results? (multiple choice)
- A. HBase
- B. Redis
- C. HDfS
- D. Kafka
Answer: B,D
NEW QUESTION 67
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 is correct? (multiple choice)
- A. Click Tree under Cloud to view metadata information such as Collections, configuration sets and live_nodes in Solr Cloud
- B. Click Cloud to view the distribution and status of each ShardReplica under each Collection
- C. Solr user group, Solr admin role and Super group users can access Solr Admin UI
- D. Enter the Core Overview interface of the Shard Replica of a Collection, you can view the actual number of documents, storage size and location information of the Replica index
Answer: A,B,C,D
NEW QUESTION 68
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.
- A. True
- B. False
Answer: A
NEW QUESTION 69
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?
- A. hdfs fsck /test.txt -list -corruptfileblocks
- B. hdfs fsck /test.txt -blocks
- C. hdfs fsck /test.txt -files
- D. hdfs fsck /test.txt -locations
Answer: D
NEW QUESTION 70
When the HDFS client writes files with N copies, which of the following is correct about the writing process? (multiple choice)
- A. The first copy of the data block is prioritized on the node where the client writing the data block is located.
- B. Each DataNode can store at most 1 copy.
- C. The copied file blocks are all stored on the same rack by default.
- D. Support multiple users to write to the same file at the same time.
Answer: A,B
NEW QUESTION 71
In FusionInsight HD, which of the following parameters of the Hive client are used to control reduce concurrency? (multiple choice)
- A. hive.exec-ducers.max
- B. hive.exec.max.dynamic.partitions
- C. hive.exec.reducers.bytes.per.reducer
- D. hive.exec.max.dynamic.partitions.pernode
Answer: A,C
NEW QUESTION 72
In FusionInsight HD, which of the following are the configuration items of Oozie's MapReduce Action? (multiple choice)
- A. name-node
- B. mapred.mapper.class
- C. source
- D. job-tracker
Answer: A,B,D
NEW QUESTION 73
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 wrong in the following statement?
- A. Support CSV, JSON and HTML
- B. Support CSV and JSON
- C. Support CSV, JSON and XML
Answer: A
NEW QUESTION 74
In FusionInsight HD, what are the roles that belong to the Streaming service? (multiple choice)
- A. Nimbus
- B. Supervisor
- C. Broker
- D. quorumpeer
Answer: A,B
NEW QUESTION 75
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 phone number to query the historical call records every month and every six months. Which of the following rowkey designs is the best?
- A. Mobile number + date
- B. Name + mobile phone number
- C. Mobile phone number + name
- D. Date + mobile phone number
Answer: A
NEW QUESTION 76
In the Fusioninsight HD product, what is wrong about the Kafka secure and non-secure port description?
(Note: The old API refers to the old Producer API and the old Consumer API. Among them, the old Consumer API: refers to the interface defined in kafka.consumer.ConsumerConnector; the old Producer API: refers to the interface defined in kafka.producer.Producer.)
- A. The premise for the old API to access a topic through port 21005 is that the server parameter allow.everyone.if.no.acl.found is set to true, and the topic does not have ACL attributes set
- B. The old API only supports access to port 21005; the new API is compatible with access to non-secure port 21005 and secure port 21007.
- C. For topics with ACL set, you can use the old API to connect to port 21005 for access.
- D. Kafka cluster security access port defaults to 21007, non-secure access port defaults to 21005.
Answer: C
NEW QUESTION 77
Which of the following methods can generate DStream objects?
- A. StreamingContext.fileStream(...)
- B. StreamingContext.socketStream(..)
- C. KafkaUtils.createDirectStream(...)
- D. KafkaUtils.createStream(...)
Answer: A,B,C,D
NEW QUESTION 78
What are the features of Streaming in FusionInsight HD? (multiple choice)
- A. Scalable
- B. Stream processing
- C. High fault tolerance
- D. High performance
Answer: A,B,C,D
NEW QUESTION 79
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 performance to reach a second-level response.
For the above scenarios, regarding the Solr collection design, which of the following design schemes are reasonable? (multiple choices)
- A. It can be used in conjunction with Hbase, set the uniqueKey field and HBase RowKey field to the same value, and use the implicit Router method to make the document evenly distributed to each shard
- B. It can be used in conjunction with HBase. Solr only builds indexes for non-RowKey fields that need to be retrieved. HBase is responsible for storing data in all fields.
- C. When creating a Collection, you can set the number of Shards to be an integer multiple of the number of SoIrServer instances to ensure that each SoIrServer instance is negatively balanced as much as possible
- D. In the configuration set, the DirectoryFactory parameter in the solrconfig.xml file can be set to org.apache.solr.core.NIOFSDirectoryFactory
Answer: B,C,D
NEW QUESTION 80
When writing MapReduce applications, which two interfaces usually need developers to implement?
- A. combine and sort
- B. map and combine
- C. map and reduce
- D. reduce and combine
Answer: C
NEW QUESTION 81
What is the role of the setMapOutputCompressorClass class in the development of MapReduce applications?
- A. Set the compression method of reduce output
- B. Set the compression method of Smap input
- C. Set the delivery method of map output
- D. Set the compression method of map output
Answer: D
NEW QUESTION 82
Because Spark is a memory-based computing engine, the amount of data that a Spars application can process cannot exceed the total memory allocated to the Spark application.
- A. True
- B. False
Answer: B
NEW QUESTION 83
......
Huawei H13-723 Actual Questions and Braindumps: https://www.lead1pass.com/Huawei/H13-723-practice-exam-dumps.html