2021 DumpsTests Huawei H13-723-ENU Dumps and Exam Test Engine
Huawei H13-723-ENU DUMPS WITH REAL EXAM QUESTIONS
NEW QUESTION 10
In FusionInsight HD, in which ways can I view the debugging results of Oozie jobs? (multiple choice)
- A. Check whether the returned result of Oozie's JAVA API meets expectations
- B. Oozie's own web interface can also view job execution results
- C. Use Hue's file browser to check whether the desired file is generated in the HDFS specified directory
- D. View program running results through Hue's workflow dashboard
Answer: A,B,C,D
NEW QUESTION 11
In FusionInsight HD, the Streaming packaging tool is used to package the business code jar package and other dependent jar packages into a complete Streaming application jar package
- A. True
- B. False
Answer: A
NEW QUESTION 12
In FusionInsight HD, regarding the partition function of Hive, what is wrong in the following description?
- A. The partition field should be defined when the table is created
- B. There can only be one partition field, and multi-level partitions cannot be created
- C. Using partitions can reduce the data scan range of certain queries, thereby improving query efficiency
- D. The partition field can be used as the condition of the where clause
Answer: B
NEW QUESTION 13
The system time of the node where the HDFS client is located must be consistent with the system time of the FusionInsight HD cluster. If there is a time difference, the time difference should be less than a few minutes?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 14
Which of the following methods can generate DStream objects?
- A. StreamingContext.fileStream(...)
- B. KafkaUtils.createDirectStream(...)
- C. StreamingContext.socketStream(..)
- D. KafkaUtils.createStream(...)
Answer: A,B,C,D
NEW QUESTION 15
Which of the following table types does Hive support? (multiple choice)
- A. Bucket table
- B. Tilt table
- C. Partition table
- D. Partition + bucket table
Answer: A,B,C,D
NEW QUESTION 16
In HDFS application development, which of the following are the interfaces supported by the HDFS service? (multiple choice)
- A. FileSystem.append
- B. FileSystem.create
- C. BufferedOutputStream.flush
- D. BufferedOutputStream.write
Answer: A,B,C,D
NEW QUESTION 17
In the FusionInsight HD product, what is the role name of the Kafka service?
- A. Producer
- B. Consumer
- C. Broker
- D. ZooKeeper
Answer: C
NEW QUESTION 18
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. 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.
- C. Support multiple clients to read the same file data from the DataNode at the same time.
- D. Download data from the nearest DataNode first.
Answer: B,C,D
NEW QUESTION 19
The calculation logic of the Spark application will be parsed into DNG. Which of the following functional modules will complete this parsing operation?
- A. Executor
- B. Driver
- C. Client
- D. Application Master
Answer: B
NEW QUESTION 20
In FusionInsight HD, what are the roles that belong to the Streaming service? (multiple choice)
- A. quorumpeer
- B. Supervisor
- C. Broker
- D. Nimbus
Answer: B,D
NEW QUESTION 21
When indexing in Solr, which of the following code snippets can significantly improve indexing performance? (multiple choice)
- A. lbClient.setRequestWriter (new BinaryRequestWriter());
- B. SolrlnputDocument doc = new SolrlnputDocument(); doc.addField ("id", i.toString()); doc.addField ("name", "Zhang San" + i); doc.addField ("features", "test" + ); doc.addField ("price", (float) i * 1.01); cloudSolrClient.add (doc); cloudSolrClient.commit();
- C. if (updateRequest.getDocuments().size() >= 1000) { cloudSolrClient.request (updateRequest, collName); updateRequest.clear(); }
- D. if (updateRequest.getDocumentsMap().size() >= 10000) { cloudSolrClient.request (updateRequest, collName); updateRequest.clear(); }
Answer: A,D
NEW QUESTION 22
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?
- A. HBase stores massive data and supports dynamic expansion, which can fulfill the storage requirements of logistics and sales data.
- B. Logistics data is very sparse, and HBase can efficiently process sparse data.
- C. HBase can be built on ordinary commercial servers, and the construction cost is relatively low.
- D. Hbase supports efficient random reading, and can complete real-time analysis and command of the logistics situation after a reasonable design.
Answer: A,B,C,D
NEW QUESTION 23
Regarding the file format provided by Hive in the FusionInsight HD system, which is not a columnar file?
- A. CRC
- B. Parquet
- C. TextFiIe
- D. RCFile
Answer: C
NEW QUESTION 24
In FusionInsight HD, where can I view the running results of the MapReduce application?
- A. Solr web interface
- B. Yarn web interface
- C. FusionInsight Manager web interface
- D. Loader web interface
Answer: B
NEW QUESTION 25
In FusionInsight HD, which method of the OozieClient class will be called by the JAVA API of the Oozie client when running tasks?
- A. submit
- B. suspend
- C. getJobInfo
- D. run
Answer: D
NEW QUESTION 26
In FusionInsigt HD, which of the following components can be used for data collection? (multiple choice)
- A. HBase
- B. Flume
- C. Loader
- D. MapReduoe
Answer: B,C
NEW QUESTION 27
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