最新的Huawei H13-711_V3.0-ENU免費考試真題

問題1

Hive is a data warehouse software based on hadoopE, which can query and manage PB-level distributed dat a. Which of the following descriptions about Hive features is incorrect?( )

A. Only supports MapReduce computing engine

B. Easy to use and easy to program

C. Flexible and convenient ETL (extract/transform/load)

D. Direct access to HDFS files and HBase

正確答案: A

問題2

What data types of application scenarios is HBase of Hadoop not suitable for?

A. Mass data application scenarios

B. Large file application scenarios

C. High throughput application scenarios

D. Semi-structured data application scenarios

正確答案: B

問題3

If part of the information is allowed to be lost during message processing, which of the following methods are used to close the message reliability processing mechanism?

A. When the spout sends a message, use the unspecified message messageID's interface to send

B. BWhen olt sends a message, use the Unanchor method to send

C. Set Config.Topology_ACKKRS to False

D. Set the parameter Config.Topology ACKKRS to 0

正確答案: A,B,D

問題4

The HDFS data reading process includes the following steps, please choose the correct order. (Drag picture title, sort question)

A. The location where the data block corresponding to this file in NameNodel is obtained by calling NameNode remotely through RPC

B. After obtaining this input stream, the client calls the read method to read the data. The input stream selects the nearest DataNode to establish a connection and read data.

C. The client calls the open method of the FileSystem instance to obtain the input stream corresponding to the file.

D. If the end of the data block has been reached. Then close the connection with this DataNodel, and then re-find E. a data block. until all data is read.

E. The client calls close. to close the input stream.

正確答案: A,B,C,D,E

問題5

In the Fusioninsight product, which of the following descriptions about kafka's topicl is incorrect?

A. Each message published to kafka has a category, which is called topic and can also be understood as a queue for storing messages

B. Each partition corresponds to a log file at the storage level, and the log file records all message data

C. Each topic can only be divided into one partition area

D. The number of Topic partitions can be configured when creating

正確答案: C

問題6

The following are typical application scenarios of DWS

A. Trading System

B. data mart

C. Enterprise Data Warehouse

D. CRM/ERP

正確答案: A,B,C,D

問題7

Which of the following descriptions about the deployment of big data components on Kunpeng and X86 servers is correct?

A. Single component (for example: HDFS) supports mixed deployment of Kunpeng server and X86 server

B. Realize the autonomous control of some equipment

C. No shortcomings in performance

D. Supports mixed deployment of Kunpeng servers and ordinary X86 servers in a single cluster

正確答案: A,B

問題8

In the task scheduling process of YARN, which of the following is the task that ApplicationMastert is responsible for?

A. Set up the running environment for the task

B. Apply for and receive resources

C. Start a Map or Reduce task

D. Allocate Container

正確答案: B

問題9

To reduce the amount of data written to disk, mapreduce supports compressing MOF (mapoutfile) before writing.

A. False

B. True

正確答案: B

最新的Huawei HCIA-Big Data V3.0 - H13-711_V3.0-ENU免費考試真題

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