2021 Updated Verified H13-723-ENU Q&As - Pass Guarantee or Full Refund
[Nov-2021] H13-723-ENU Certification with Actual Questions from Test4Sure
NEW QUESTION 79
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 80
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 81
In the FusionInsight HD cluster, regarding the kinit operation command, which of the following statements are wrong? (multiple choice)
- A. The ticket obtained by executing this command will time out after 24 hours. You need to execute the kinit command again to log in again.
- B. Only human-machine accounts can be used.
- C. A client does not support simultaneous use of multiple accounts.
- D. Only machine-to-machine accounts can be used.
Answer: B,C,D
NEW QUESTION 82
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 83
Regarding Kafka's Producer, which of the following statements is correct? (multiple choice)
- A. Multiple Producer processes can be started at the same time to send data to the same topic
- B. Producer production data needs to specify Topic
- C. When Producer produces data, it needs to connect to ZooKeeper first, and then connect to Broker
- D. Producer is a message producer
Answer: A,B,D
NEW QUESTION 84
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 85
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. Kafka cluster security access port defaults to 21007, non-secure access port defaults to 21005.
- B. For topics with ACL set, you can use the old API to connect to port 21005 for access.
- C. 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.
- D. 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
Answer: B
NEW QUESTION 86
For HBase column family, which of the following attributes can be set? (multiple choice)
- A. Versions
- B. Compression
- C. TTL
- D. Coprocessor
Answer: A,B,C
NEW QUESTION 87
What are the features of Streaming in FusionInsight HD? (multiple choice)
- A. Scalable
- B. Stream processing
- C. High performance
- D. High fault tolerance
Answer: A,B,C,D
NEW QUESTION 88
Which of the following is not a feature of MapReduce?
- A. Good scalability
- B. High fault tolerance
- C. Real-time calculation
- D. Easy to program
Answer: C
NEW QUESTION 89
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 90
Which of the following methods can generate DStream objects?
- A. StreamingContext.socketStream(..)
- B. StreamingContext.fileStream(...)
- C. KafkaUtils.createDirectStream(...)
- D. KafkaUtils.createStream(...)
Answer: A,B,C,D
NEW QUESTION 91
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 92
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 search function with a high degree of scalability. At the same time, starting from Solr 4.0 version, SolrCloud mode is supported.
- A. False
- B. True
Answer: B
NEW QUESTION 93
When the HBase application is running, the application can write data while creating a table.
- A. False
- B. True
Answer: A
NEW QUESTION 94
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