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[2021] H13-723 PDF Questions - Perfect Prospect To Go With Exams-boost Practice Exam
NEW QUESTION 76
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 77
In the FusionInsight HD product, what is the role name of the Kafka service?
- A. Producer
- B. Broker
- C. ZooKeeper
- D. Consumer
Answer: B
NEW QUESTION 78
Which of the following scenarios is not suitable for Redis? (multiple choice)
- A. Get the latest N data: for example, get the latest 10 comments on a Weibo
- B. A message queue application that is consumed by multiple consumers at the same time and guarantees that the message is successfully consumed by all subscribers (subscription-notification)
- C. Complex transaction operations
- D. Counter application: for example, counting the number of people logged in to a certain website
Answer: B,C
NEW QUESTION 79
Which of the following business applications is not suitable for Hive?
- A. Data mining (user behavior analysis, interest division, regional display)
- B. Data summary (number of user clicks per day/week, click ranking)
- C. Real-time online data analysis
- D. Non-real-time analysis (log analysis, statistical analysis)
Answer: C
NEW QUESTION 80
Regarding FusionInsight HD's Spark, which of the following programming languages can be used to develop Spark applications? (multiple choice)
- A. Scala
- B. Python
- C. Java
- D. C
Answer: A,B,C
NEW QUESTION 81
Regarding the characteristics of Redis, which of the following descriptions is correct? (multiple choice)
- A. Rich data structure
- B. Support SQL query interface
- C. Low latency
- D. Support data persistence
Answer: A,C,D
NEW QUESTION 82
In Kafka, Consumer can support both offline and online message consumption, but the consumption of data is sequential consumption.
- A. True
- B. False
Answer: A
NEW QUESTION 83
As the core object of Spark, which of the following characteristics does RDD have? (multiple choice)
- A. Read only
- B. Fault tolerance
- C. Efficient
- D. Partition
Answer: A,B,C,D
NEW QUESTION 84
In Kafka, the Producer can ensure that the data is sent in order by configuring the synchronization parameters (producer.type).
- A. True
- B. False
Answer: A
NEW QUESTION 85
What are the features of Streaming in FusionInsight HD? (multiple choice)
- A. High performance
- B. High fault tolerance
- C. Stream processing
- D. Scalable
Answer: A,B,C,D
NEW QUESTION 86
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 87
In FusionInsight HD, which of the following source types does Flume support? (multiple choice)
- A. Kafka
- B. HTTP
- C. Avro
- D. HBase
Answer: A,B,C
NEW QUESTION 88
In Kafka, which statement about Consumer is correct? (multiple choice)
- A. Topic needs to be specified when Consumer consumes data
- B. When multiple Consumers are configured with the same group.id, the data consumed by these Consumers will not be repeated
- C. The new ConsumerAPI consumption data does not need to specify the ZooKeeper address
- D. Consumer mainly conducts data consumption
Answer: A,B,C,D
NEW QUESTION 89
For HBase column family, which of the following attributes can be set? (multiple choice)
- A. Compression
- B. Coprocessor
- C. TTL
- D. Versions
Answer: A,C,D
NEW QUESTION 90
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.pernode
- C. hive.exec.max.dynamic.partitions
- D. hive.exec.reducers.bytes.per.reducer
Answer: A,D
NEW QUESTION 91
When a MapReduce application is executed, which of the following actions occurred before the map phase?
- A. partition
- B. split
- C. sort
- D. combine
Answer: B
NEW QUESTION 92
In a MapReduce application, the output of the map function is processed by the MapReduce framework and sent to the reduce function. This process is based on key-value pairs for sorting and grouping.
- A. True
- B. False
Answer: A
NEW QUESTION 93
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 94
In FusionInsight HD, regarding Hive's data loading function (importing data through Hive's LOAD command), what is wrong in the following description?
- A. It can be directly loaded to the hive table from the local hard disk of the node where HiveServer is located
- B. It can be directly loaded to the hive table from the local hard disk of the node where the client is located
- C. It can be loaded directly to the hive table from HDFS
- D. Hive's data loading process will not parse the specific file content, mainly the process of file transfer
Answer: B
NEW QUESTION 95
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