Free HCIA-Big Data H13-711_V3.0-ENU Ultimate Study Guide (Updated 500 Questions)
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NEW QUESTION 126
When the number of nodes in the Zookeeper cluster is 5 nodes, how many nodes are equivalent to the disaster tolerance of the cluster?
- A. None of the above
- B. 0
- C. 1
- D. 2
Answer: C
NEW QUESTION 127
In the MRS platform, which component does the Flume data flow not need to pass through in the node?
- A. Channel
- B. Sink
- C. Source
- D. Topic
Answer: D
NEW QUESTION 128
Fusionlnsight HD cluster contains many kinds of services, and each service is composed of several roles. Which of the following are service roles? (Multiple choice)
- A. NameNode
- B. HDFS
- C. Hbase
- D. DataNode
Answer: A,D
NEW QUESTION 129
Which of the following options belong to the advantages of HUAWEI CLOUD MRS? (Multiple choice)
- A. Ease of use
- B. High reliability
- C. High performance
- D. Scalability
Answer: A,B,C,D
NEW QUESTION 130
HiveServer compiles and parses the HQL statements submitted by the user into corresponding Yarn tasks, Spark tasks or HDPS operations, thereby completing data extraction, conversion, and analysis.
- A. True
- B. False
Answer: A
NEW QUESTION 131
Regarding the Supervisor of Fusioninsight HD Streaming, which of the following is correct?
- A. Supervisor is responsible for accepting the tasks assigned by Nimbus, starting and stopping the Worker process under its own management
- B. Supervisor is a component that receives data in Topology and then performs processing
- C. Supervisor is a process that runs specific processing logic
- D. Supervisor is responsible for resource allocation and task scheduling
Answer: A
NEW QUESTION 132
In the Output stage of Structured Streaming, different data writing methods can be defined. Which of the following methods are included? (Multiple choice)
- A. Append Mode
- B. General Mode
- C. Complete Mode
- D. Update Mode
Answer: A,C,D
NEW QUESTION 133
Multiple channels can be configured in Flume's properties configuration file to transmit data.
- A. True
- B. False
Answer: A
NEW QUESTION 134
The __ interface in Flink is used for stream data processing, and the __ interface is used for batch processing.
- A. Datastream API, DataSet API
- B. Batch API, Stream API
- C. Data batch API, DataStream API
- D. Stream API, Batch API
Answer: A
NEW QUESTION 135
Through the unified user management system in the big data platform, unified management of users, roles and organizations of various open-source component application systems in the platform can be realized, and cross-domain single sign-on logout and unified identity authentication function among various application systems can be realized.
- A. True
- B. False
Answer: A
NEW QUESTION 136
The core concept of MapReduce is to decompose a large computing task to each node of the cluster, make full use of cluster resources, and shorten the running time.
- A. True
- B. False
Answer: A
NEW QUESTION 137
Which of the following belongs to the features of Streaming? (Multiple choice)
- A. Event-driven
- B. Can do continuous query
- C. Low latency
- D. Data is stored first and then calculated
Answer: A,B,C
NEW QUESTION 138
The emergence of HFS solves the need to store a large number of small files (below 10MB) in HDFS. At the same time, some mixed scenes of large files (above 10MB) should be stored
- A. True
- B. False
Answer: A
NEW QUESTION 139
What modules does the Spark framework include? (Multiple choice)
- A. Spark GraphX
- B. Spark Streaming
- C. Spark Mllib
- D. Spark SQL
Answer: A,B,C,D
NEW QUESTION 140
RDD has Transformation and Action operators. Which of the following are Action operators?
- A. map
- B. saveAsTextFile
- C. filter
- D. reduceByKey
Answer: B
NEW QUESTION 141
The smallest processing unit of HBase is Region, and the routing information between User Region and RegionServer is stored in Zookeeper.
- A. True
- B. False
Answer: A
NEW QUESTION 142
HBase's BloomFilter is used to filter data.
- A. False
- B. True
Answer: A
NEW QUESTION 143
Which way is correct to load data into Hive table? (Multiple choice)
- A. Load the file in the local path directly into the Hive table.
- B. Load the files on HDFS into the Hive table.
- C. Insert the result set of other tables into the Hive table.
- D. Hive supports the method of insert into a single record, so you can insert a single record directly on the command line
Answer: A,B,C
NEW QUESTION 144
What log download methods does Fusionlnsight HD support? (Multiple choice)
- A. Download the logs of all components of the installed components
- B. Download logs for the specified time period
- C. Download the log of the specified host
- D. Download the log of a module of a single component
Answer: A,B,C,D
NEW QUESTION 145
In the collaborative work of Zookeeper and YARN, when Active ResourceManager fails, which of the following directories will Standby ResourceManager obtain application-related information from?
- A. warehouse
- B. State store
- C. Meta store
- D. Storage
Answer: B
NEW QUESTION 146
Which of the following windows can Flink make statistics based on? (Multiple choice)
- A. Time window
- B. Session window
- C. Sliding window
- D. Count window
Answer: A,B,C,D
NEW QUESTION 147
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