Pass Huawei H13-723 Exam with Guarantee Updated 155 Questions
Latest H13-723 Pass Guaranteed Exam Dumps Certification Sample Questions
NEW QUESTION 26
There are scenarios where 500G of new data is generated by the online system every day, and these data need to be statistically summarized in dimensions such as days, weeks, and months.
Which table is suitable for Hive processing?
- A. Bucket table, according to talent
- B. Tilt table, select the date in the tilt field, and the tilt value is random
- C. Partition table, partition by day
- D. Partition + bucket table, partitioned by time, 2560 buckets per partition
Answer: C
NEW QUESTION 27
Regarding the disaster tolerance of Streaming, which of the following statements is correct? (multiple choice)
- A. When a node fails, tasks on that node will be reassigned to other normal nodes without manual intervention.
- B. After Nimbus fails, the standby Nimbus will automatically take over, without affecting the running business.
- C. Worker can be automatically pulled up by Supervisor after abnormal exit without manual intervention.
- D. After the Supervisor process exits, it can be automatically recognized and pulled up by Nimbus without affecting the running business.
Answer: A,B,C,D
NEW QUESTION 28
In FusionInsight HD, for the creation and read-write permissions of various resources in Solr, which of the following statements is wrong?
- A. Only the collection creator and Solr admin roles can delete a collection
- B. Users of the Solr user group can create Collection
- C. Collection creator, role with read and write access to the collection, and Solr admin role can update the collection
- D. Solr user group users can create a configuration set and specify the configuration set when creating a Collection
Answer: D
NEW QUESTION 29
The rowkey design of HBase table is a very important development and design link.
Suppose there are the following scenarios. The most frequent query scenario is based on the mobile phone number to query the historical call records every month and every six months. Which of the following rowkey designs is the best?
- A. Name + mobile phone number
- B. Mobile phone number + name
- C. Mobile number + date
- D. Date + mobile phone number
Answer: C
NEW QUESTION 30
Which of the following is not a feature of MapReduce?
- A. Real-time calculation
- B. Easy to program
- C. High fault tolerance
- D. Good scalability
Answer: A
NEW QUESTION 31
As the core object of Spark, which of the following characteristics does RDD have? (multiple choice)
- A. Efficient
- B. Partition
- C. Read only
- D. Fault tolerance
Answer: A,B,C,D
NEW QUESTION 32
In Kafka, which of the following commands can check how many partitions a topic has?
- A. kafka-topics.sh --list
- B. kafka-topics.sh --create
- C. kafka-topics.sh --alter
- D. kafka-topics.sh - describe
Answer: D
NEW QUESTION 33
Document is the main entity stored in the SolrColud cluster. It is the basic unit of indexing and query. It can contain one or more fields and is a set of data describing certain things. Each document must contain a uniqueKey field that can uniquely identify the document.
- A. True
- B. False
Answer: A
NEW QUESTION 34
In Spark, which statement about broadcast variables is correct?
- A. Broadcast variables are saved in each Task
- B. Broadcast variables are generated by the SparkContext.broadcast() method
- C. Broadcast variables are read-only
- D. The broadcast variable is saved in each Executor
Answer: B,C,D
NEW QUESTION 35
In Spark, assuming that lines is a DStream object, which of the following statements can periodically count the number of words on this stream?
- A. Iines.fIatMap(_.spIit (" " )).map(word => (word, 1)).reduceByKey(_ +_).print()
- B. Iines.flatMap(_.split (" " )).map(word => (word, 1)).reduce(_ +_).print()
- C. Iines.flatMap(_.split (" " )).map(word => (word,word.Iength())).reduceByKey (_ +_).print()
- D. Iines.flatMap(_.split (" " )).flatMap(word => (word, 1)).groupByKey(_ +_).print()
Answer: A
NEW QUESTION 36
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 37
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. True
- B. False
Answer: A
NEW QUESTION 38
In a FusionInsight HD cluster, Flume does not support writing collected data to which service in the cluster?
- A. HDFS
- B. HBase
- C. Redis
- D. Kafka
Answer: C
NEW QUESTION 39
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 40
Redis LIST data structure, which of the following scenarios is suitable for? (multiple choice)
- A. uniq operation, for example, get the weight value of all data in a certain period of time
- B. Simulate stack operation
- C. Get the latest N data operations: for example, get the latest 10 comments on a Weibo
- D. Build a queue system, such as a message queue
Answer: B,C,D
NEW QUESTION 41
In FusionInsight HD, regarding Oozie's job operation commands, which of the following descriptions are correct? (multiple choice)
- A. The submit command can change the status of the job to PREP
- B. The run command can make the job status RUNNING
- C. The kill command can be used on jobs in PREP/SUSPEND/RUNNING status
- D. The start command can make the job in the PREP state become RUNNING
Answer: A,B,C,D
NEW QUESTION 42
In FusionInsight HD, when using SparkSQL, which of the following methods (or tools) can be used to execute SQL statements? (multiple choice)
- A. spark-sql
- B. JDBC
- C. spark-beeline
Answer: A,B,C
NEW QUESTION 43
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. True
- B. False
Answer: B
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. True
- B. False
Answer: B
NEW QUESTION 45
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 46
HDFS is not suitable for which of the following business scenarios?
- A. Streaming file storage
- B. Large file storage
- C. Mass data storage
- D. Large amount of small file storage
Answer: D
NEW QUESTION 47
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