Ultimate Guide to Prepare H13-723-ENU Certification Exam for Huawei Other Certification in 2021
Use Real H13-723-ENU Dumps - Huawei Correct Answers updated on 2021
NEW QUESTION 34
When the cluster is normal, the Redis client initiates a get call, and there are () message interactions between the client and the server?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 35
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 36
When designing a certain collection of Solr, you need to design its Schema, and realize the design of the Schema by configuring the schema.xml file. What is wrong about the Schema statement below?
- A. Schema is similar to the table structure in a relational database. It is used to define the structure of index data. It mainly consists of three parts: unlqueKey, Field and FleldType.
- B. For a field of the same document, there are multiple values, and they all need to be retained, then the multiValued of the field must be set to true.
- C. For fields that do not need to store the original value, the stored attribute can be set to false.
- D. copyField can be defined as follows: <field name= " cat " type= " string " indexed = " true " stored = " true " docValues= " true " multiValued= " false " /> <field name= " dog " type = " string " indexed = " true " stored = " true " docValues= " true " multi Valued = " false " /> <field name= " text " type= " text_general " indexed = " true " stored = " false " multiValued = " false " /> <copyField source= " cat " dest= " text " maxChars= " 30000 " /> <copyField source= " dog " dest= " text " maxChars = " 30000 " />.
Answer: D
NEW QUESTION 37
In the FusionInsight HD cluster, regarding the kinit operation command, which of the following statements are wrong? (multiple choice)
- A. Only machine-to-machine accounts can be used.
- B. A client does not support simultaneous use of multiple accounts.
- C. Only human-machine accounts can be used.
- D. 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.
Answer: A,B,C
NEW QUESTION 38
Regarding the disaster tolerance of Streaming, which of the following statements is correct? (multiple choice)
- A. After Nimbus fails, the standby Nimbus will automatically take over, without affecting the running business.
- B. When a node fails, tasks on that node will be reassigned to other normal nodes without manual intervention.
- C. After the Supervisor process exits, it can be automatically recognized and pulled up by Nimbus without affecting the running business.
- D. Worker can be automatically pulled up by Supervisor after abnormal exit without manual intervention.
Answer: A,B,C,D
NEW QUESTION 39
What distributed computing framework does the FusionInsigt HD big data platform provide? (multiple choice)
- A. MapReduce
- B. Streaming
- C. Spark
- D. HBase
Answer: A,B,C
NEW QUESTION 40
In FusionInsight HD, which of the following scenarios does Streaming apply to? (multiple choice)
- A. Real-time access statistics of the website
- B. Traffic flow analysis
- C. Streaming data monitoring
- D. Offline log analysis
Answer: A,B,C
NEW QUESTION 41
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 42
When a task is submitted to the YARN cluster, which of the following options will generate a job id for the task?
- A. ResourceManager
- B. NodeManager
- C. AppMaster
- D. container
Answer: A
NEW QUESTION 43
In FusionInsigt HD, the user wants to query the contents of a certain HBase table through the HBase shell operation. In this scenario, it is recommended that the administrator assign a machine-to-machine account to the user.
- A. False
- B. True
Answer: A
NEW QUESTION 44
Suppose there is an application that needs to frequently access the user table in the Oracle database. In order to improve performance, Redis is introduced to cache user information.
For this scenario, which of the following is the best data structure choice for Redis?
- A. hash
- B. list
- C. sorted set
- D. set
Answer: A
NEW QUESTION 45
What are the several parameter setting methods for Spark applications? (multiple choices)
- A. When submitting the application, set it through --conf
- B. Configure in the application configuration file spark-defaults.conf
- C. In the application code, set by the setProperty method of SparkContext
- D. In the application code, set through the SparkConf object
Answer: A,B,D
NEW QUESTION 46
Which of the following reasons will cause HDFS NameNode to enter safemode (safe read-only mode)? (multiple choice)
- A. The number of lost blocks exceeds the threshold.
- B. The disk space where the metadata of the active and standby NameNodes reside is insufficient.
- C. The missing copy exceeds the threshold.
- D. The damaged copy exceeds the threshold.
Answer: A,B
NEW QUESTION 47
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 48
In Flume, what is the main function of the source function module?
- A. Split the data and send the data to different destinations according to the characteristics of the data
- B. Cache data and save the data in memory or files according to different reliability strategies
- C. Obtain data and convert the original data into data objects that you process
- D. Output data to destination, support multiple output protocols
Answer: C
NEW QUESTION 49
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 50
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 51
In FusionInsight HD, the Streaming packaging tool is used to package the business code jar package and other dependent jar packages into a complete Streaming application jar package
- A. True
- B. False
Answer: A
NEW QUESTION 52
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. True
- B. False
Answer: A
NEW QUESTION 53
During the Solr application development of FusionInsight HD products, you can verify the Collection through the Solr Admin UI.
Which of the following statements about Solr Admin UI is correct? (multiple choice)
- A. Enter the Core Overview interface of the Shard Replica of a Collection, you can view the actual number of documents, storage size and location information of the Replica index
- B. Solr user group, Solr admin role and Super group users can access Solr Admin UI
- C. Click Cloud to view the distribution and status of each ShardReplica under each Collection
- D. Click Tree under Cloud to view metadata information such as Collections, configuration sets and live_nodes in Solr Cloud
Answer: A,B,C,D
NEW QUESTION 54
Regarding the file format provided by Hive in the FusionInsight HD system, which is not a columnar file?
- A. TextFiIe
- B. RCFile
- C. Parquet
- D. CRC
Answer: A
NEW QUESTION 55
For the HBase component of the FusionInsight HD platform, what attributes of the secondary index need to be defined when adding a secondary index? (multiple choice)
- A. Index column type
- B. The name of the column family to which the index column belongs
- C. Index column
- D. Index name
Answer: A,B,C,D
NEW QUESTION 56
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