Free HCIA-Big Data H13-711_V3.0 Ultimate Study Guide (Updated 646 Questions)
Get to the Top with H13-711_V3.0 Practice Exam Questions
NEW QUESTION 356
The capacity scheduler is performing resource allocation. The existing two queues Q1 and Q2 at the same level have a capacity of 30. Among them, Q1 has used 8 and Q2 has used 14, and the resource will be allocated to Q1 first.
- A. False
- B. True
Answer: B
NEW QUESTION 357
A KeyValue format in the HBase data file HFile contains Key, Value, TimeStamp, KeyType, etc.
- A. False
- B. True
Answer: B
NEW QUESTION 358
"Group by" in Hive refers to dividing each data set into several small data sets through certain rules, and then performing data grouping processing for several small data sets.
- A. False
- B. True
Answer: B
NEW QUESTION 359
ElasticSearch's shards index sharding can disperse index data to different nodes.
- A. False
- B. True
Answer: B
NEW QUESTION 360
The following are typical application scenarios of DWS
- A. data mart
- B. Trading System
- C. CRM/ERP
- D. Enterprise Data Warehouse
Answer: A,B,C,D
NEW QUESTION 361
The figure below shows the data transmission architecture of flume. What is the component at the "?" in the figure?
- A. None of the aboveA. True
- B. Channel processor
- C. Interceptor
- D. Channel selector
Answer: D
NEW QUESTION 362
Which of the following functions can be achieved by the Kafka Cluster Mirroring tool?
- A. Kafka cross-cluster data synchronization method
- B. Kafka single cluster data recovery
- C. Kafka single cluster data backup
- D. None of the above is correct
Answer: A
NEW QUESTION 363
What is the index name of ElasticSearch?
- A. doc
- B. 3sDqsm8Bu-kTplz0jqhL
- C. ddcvc
- D. logstash-2020.01.17
Answer: D
NEW QUESTION 364
Which component controls the primary and secondary arbitration in HDFS?
- A. HDFS Client
- B. NodeManager
- C. ResourceManager
- D. Zooleeper Failover Controller
Answer: D
NEW QUESTION 365
Which of the following descriptions about Fusioninsight CTBase is wrong?
- A. CTBase's java API provides a set of interfaces for HBase connection pool management, and internal connection sharing reduces the difficulty of client application development.
- B. CTBase's read and write data interface, unified encapsulation of the line-defined interface, automatic merging and parsing of cold fields, no need to merge and interpret in the application
- C. CTBase provides a set of WebUI for metadata definition, provides a medical-only table design tool, and reduces the difficulty of table design
- D. CTBase is a cluster table development framework based on HBase
Answer: D
NEW QUESTION 366
In Spark on YARN mode, nodes without NodeManager deployed cannot start executor to execute tasks.
- A. False
- B. True
Answer: B
NEW QUESTION 367
Which of the following options are suitable for MapReduce?
- A. Offline computing
- B. Iterative calculation
- C. real-time interactive computing
- D. Streaming Computing
Answer: A
NEW QUESTION 368
DataSet from Spark2.0Officially enabled, it has the characteristics of both DataFrame and RDD, and RDD is no longer used.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 369
Regarding the task selection of the capacity scheduler, which of the following statements is correct?
- A. Minimum queue level first
- B. Resource recycling request queue priority
- C. Maximum queue level first
- D. The queue with the lowest resource utilization takes precedence
Answer: A,B,D
NEW QUESTION 370
The topology will automatically end running after the task is completed.
- A. False
- B. True
Answer: A
NEW QUESTION 371
Which of the following nodes are included in the basic system architecture of HDFS? (Multiple choice)
- A. NodeManager
- B. ResourceManager
- C. NameNode
- D. Data Node
Answer: C,D
NEW QUESTION 372
A user information table meg is saved in HBaser of Fusioninsight HD_table, Rowkey is the user id, one of which is the name of the user, now write three KeyValues to this column in sequence:001:Li, 001:Mary001:Lily, may I ask scanmeg_table', (VERSION=>2) which pieces of data will be returned?
- A. 001:Lily
- B. 001:Li
- C. 001:Mary, 001:Lily
- D. 001:Li, 001:Mary, 001:Lily
Answer: D
NEW QUESTION 373
In the Output stage, Structured Streaming can define different data writing methods, including which of the following methods?
- A. Ccomplete Mode
- B. Append Mode
- C. Update Mode
- D. General Mode
Answer: A,B,C
NEW QUESTION 374
Which of the following belong to DDL (Data Definition Language) in Hive SQL? (Multiple choice)
- A. Data import
- B. Create a table
- C. Delete table
- D. Modify the table
Answer: B,C,D
NEW QUESTION 375
Which of the following scenarios in HBase will trigger the Flush operation? (Multiple choice)
- A. When the number of files in WALs reaches the threshold
- B. HBase refreshes Memstore regularly, the default period is 1 hour
- C. The total size of MemStore in the Region has reached the preset Flush Size threshold
- D. The ratio of the total memory occupied by MemStore to the total memory of RegionServer exceeds the preset threshold size
Answer: A,B,C,D
NEW QUESTION 376
What is the data scale unit of traditional data processing?
Answer:
Explanation:
GB
NEW QUESTION 377
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