Online Questions - Valid Practice To your H13-723 Exam (Updated 155 Questions)
Practice To H13-723 - Remarkable Practice On your HCIP-Big Data Developer V1.0 Exam
NEW QUESTION 24
In Kafka, is the following statement about the data sent by the Producer wrong? (multiple choice)
- A. Producer can send data to Broker, and can send data to Consumer
- B. As a message producer, Producer can directly write data to ZooKeeper
- C. Producer is responsible for producing data, Consumer is responsible for consuming data, Socket connection needs to be established between Producer and Consumer
- D. Producer can produce data by connecting to any normal Broker instance
Answer: A,B,C
NEW QUESTION 25
When indexing in Solr, which of the following code snippets can significantly improve indexing performance? (multiple choice)
- A. if (updateRequest.getDocumentsMap().size() >= 10000) { cloudSolrClient.request (updateRequest, collName); updateRequest.clear(); }
- 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. lbClient.setRequestWriter (new BinaryRequestWriter());
- D. if (updateRequest.getDocuments().size() >= 1000) { cloudSolrClient.request (updateRequest, collName); updateRequest.clear(); }
Answer: A,C
NEW QUESTION 26
Spark Streaming can receive data from Kafka and perform calculations. The calculation results can only be stored in HDFS and cannot be written back to Kafka.
- A. False
- B. True
Answer: A
NEW QUESTION 27
Regarding the characteristics of the data collected by Flume, which of the following descriptions is correct?
- A. Parallel collection with MapReduce tasks
- B. Support distributed and streaming collection
- C. Only structured data can be collected
- D. Use external timing tasks to trigger data collection
Answer: B
NEW QUESTION 28
HBase filters can set column names or column values as filter conditions, and support multiple filters to be used together.
- A. True
- B. False
Answer: A
NEW QUESTION 29
Which distributed computing frameworks can the Hive component of FusionInsigt HD run on? (multiple choice)
- A. HDFS
- B. Streaming
- C. MapReduoe
- D. Spark
Answer: C,D
NEW QUESTION 30
In FusionInsigt HD, if an application wants to complete Kerberos security authentication, which of the following options must be used? (multiple choice)
- A. jaas.conf configuration file
- B. User account applied for on FusionInsight Manager
- C. krb5.conf configuration file
- D. The keytab file of the user account
Answer: B,C,D
NEW QUESTION 31
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. Application submission statement
- C. Create an input stream
- D. Create an output stream
Answer: A,B,C,D
NEW QUESTION 32
In MapReduce application development, which of the following JAVA classes is responsible for managing and running a computing task?
- A. FileSystem
- B. lob
- C. Configuration
- D. Context
Answer: B
NEW QUESTION 33
In FusionInsight HD, assuming a topology, spout concurrency is set to 3, bolt1 concurrency is 2, bolt2 concurrency is 3, and the number of workers is 2, then how are bolt1's executors distributed among workers?
- A. Two workers are distributed
- B. Two workers each distribute one
- C. There is no fixed pattern
- D. One of the two workers is distributed to two
Answer: B
NEW QUESTION 34
Regarding the flow of data in Flume, which of the following descriptions is correct?
- A. (1) Data from sink to channle; (2) Source gets data from channel
- B. (1) Data from source to channel; (2) Sink gets data from channel
- C. (1) Data from channle to source; (2) Sink gets data from source
- D. (1) Data from channle to source; (2) Sink gets data from source
Answer: B
NEW QUESTION 35
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. Acker will mark the processing timeout or processing failure message as fail.
- C. Starting from the spout, the failure of any link in the formed Tuple tree will mark the entire tree as a failure.
- D. The application needs to implement message retransmission logic in the fail() interface method of spout.
Answer: B,C,D
NEW QUESTION 36
In HBase of FusionInsight HD, which of the following scenarios will not trigger the Flush operation?
- A. Initiate Flush operation through the client specified method
- B. The scan caching is set too large when the client initiates a scan request
- C. The MemStore setting of the Region exceeds the threshold
- D. The total memory of RegionServer exceeds the threshold
Answer: B
NEW QUESTION 37
When the HBase application is running, the application can write data while creating a table.
- A. False
- B. True
Answer: A
NEW QUESTION 38
Which of the following options is the core function of Yarn?
- A. Data transfer
- B. Resource management
- C. Search
- D. Storage
Answer: B
NEW QUESTION 39
In FusionInsight HD, if there are multiple sources in a Flume configuration file, the source names cannot be repeated.
- A. True
- B. False
Answer: A
NEW QUESTION 40
What is the role of the setMapOutputCompressorClass class in the development of MapReduce applications?
- A. Set the delivery method of map output
- B. Set the compression method of Smap input
- C. Set the compression method of reduce output
- D. Set the compression method of map output
Answer: D
NEW QUESTION 41
Regarding Redis cluster topology information, which of the following descriptions is correct?
- A. Both
- B. The client caches the cluster topology information
- C. Neither
- D. The server caches the cluster topology information
Answer: A
NEW QUESTION 42
Which of the following descriptions about the characteristics of Kafka is correct? (multiple choice)
- A. Kafka can achieve message persistence
- B. Kafka can ensure that the messages in each Partition are in order
- C. Kafka is a high-throughput, distributed, publish-and-subscribe messaging system
- D. Kafka is suitable for offline and online message consumption scenarios
Answer: A,B,C,D
NEW QUESTION 43
Regarding Kafka's Producer, which of the following statements is correct? (multiple choice)
- A. Producer is a message producer
- B. Multiple Producer processes can be started at the same time to send data to the same topic
- C. When Producer produces data, it needs to connect to ZooKeeper first, and then connect to Broker
- D. Producer production data needs to specify Topic
Answer: A,B,D
NEW QUESTION 44
In FusionInsight HD's Hive, the user-defined UDF can have the same name as the Hive built-in UDF. In this case, the user-defined UDF will be used.
- A. False
- B. True
Answer: A
NEW QUESTION 45
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