Fast2test H13-723 Dumps PDF - 100% Passing Guarantee
H13-723 Braindumps Real Exam Updated on Oct 30, 2021 with 155 Questions
NEW QUESTION 89
Which of the following descriptions about the characteristics of Kafka is correct? (multiple choice)
- A. Kafka can achieve message persistence
- B. Kafka is suitable for offline and online message consumption scenarios
- C. Kafka can ensure that the messages in each Partition are in order
- D. Kafka is a high-throughput, distributed, publish-and-subscribe messaging system
Answer: A,B,C,D
NEW QUESTION 90
When indexing in Solr, which of the following code snippets can significantly improve indexing performance? (multiple choice)
- A. 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();
- B. lbClient.setRequestWriter (new BinaryRequestWriter());
- 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: B,D
NEW QUESTION 91
In Kafka, Consumer can support both offline and online message consumption, but the consumption of data is sequential consumption.
- A. False
- B. True
Answer: B
NEW QUESTION 92
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 than that of programs developed based on RDD.
- A. False
- B. True
Answer: A
NEW QUESTION 93
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 94
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 limited by the memory capacity of the NameNode.
- A. False
- B. True
Answer: B
NEW QUESTION 95
In a FusionInsight HD cluster, Flume does not support writing collected data to which service in the cluster?
- A. HBase
- B. Redis
- C. HDFS
- D. Kafka
Answer: B
NEW QUESTION 96
Which distributed computing frameworks can the Hive component of FusionInsigt HD run on? (multiple choice)
- A. Spark
- B. HDFS
- C. MapReduoe
- D. Streaming
Answer: A,C
NEW QUESTION 97
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 correct?
- A. storm jar example.jar WordCount wcTest
- B. storm jar example .jar om.huawei.example.WordCount wcTest
- C. storm jar example .jar wcTest WordCount
- D. storm jar example .jar wcTest om.huawei.example.WordCount
Answer: B
NEW QUESTION 98
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 obtained on the Driver.
- A. False
- B. True
Answer: B
NEW QUESTION 99
In Kafka, the Producer can ensure that the data is sent in order by configuring the synchronization parameters (producer.type).
- A. False
- B. True
Answer: B
NEW QUESTION 100
In FusionInsight HD, which of the following parameters of the Hive client are used to control reduce concurrency? (multiple choice)
- A. hive.exec.max.dynamic.partitions
- B. hive.exec.max.dynamic.partitions.pernode
- C. hive.exec.reducers.bytes.per.reducer
- D. hive.exec-ducers.max
Answer: C,D
NEW QUESTION 101
The calculation logic of the Spark application will be parsed into DNG. Which of the following functional modules will complete this parsing operation?
- A. Driver
- B. Executor
- C. Application Master
- D. Client
Answer: A
NEW QUESTION 102
When the HBase application is running, the application can write data while creating a table.
- A. False
- B. True
Answer: A
NEW QUESTION 103
In FusionInsight HD, when using Streaming's ACK mechanism, which of the following statements are correct? (multiple choice)
- A. After Acker is enabled, Streaming will identify the Tuple that failed to be sent and automatically resend it without human intervention.
- B. Starting from the spout, the failure of any link in the formed Tuple tree will mark the entire tree as a failure.
- C. Acker will mark the processing timeout or processing failure message as fail.
- D. The application needs to implement message retransmission logic in the fail() interface method of spout.
Answer: B,C,D
NEW QUESTION 104
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 105
What methods does FusionInsight HD support to submit Oozie jobs? (multiple choice)
- A. Java API
- B. Shell commands
- C. Hue UI
- D. Rest API
Answer: A,B,C,D
NEW QUESTION 106
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