H13-711-ENU試験無料問題集（500題）「Huawei HCIA-Big Data(Huawei Certified ICT Associate-Big Data) 認定」

出題：1

In the Fusioninsight HD system, HBase supports dynamic expansion of columns.

A. True

B. False

正解：A 解答を投票する

出題：2

What processes does the HBase service of Fusioninsight HD contain? (Multiple choice)

A. Slave

B. HRegionServer

C. Data Node

D. HMaster

正解：B,D 解答を投票する

出題：3

The process of OpenScanner in HBase will create two different Scanners to read the data of HFile and MemStore. The Scanner corresponding to HFile is StoreFileScanner, and the Scanner corresponding to MemStore is MemStoreScanner.

A. True

B. wrong

正解：A 解答を投票する

出題：4

As a distributed message system, Kafka supports online and offline message processing, and provides a java API for other components to connect and use. In the Fusioninsight solution, Kafka belongs to the Fusionlnsight HD module.

A. True

B. False

正解：A 解答を投票する

出題：5

Regarding the relationship between Hive and other components of Hadoop, which of the following descriptions is wrong?

A. Hive is a data warehouse tool for the Hadoop platform

B. Hive finally stores the data in HDFS

C. HQL can perform tasks through MapReduce

D. Hive has a strong dependence on HBase

正解：D 解答を投票する

出題：6

What is wrong about the architecture description of Hive in FusionInsight HD?

A. At the same time, only one HiveServer is in the Active state, and the other is in the Standby state

B. HiveServer is responsible for accepting client requests, parsing, executing HQL commands and returning query results

C. As long as one HiveServer is unavailable, the entire Hive cluster will be unavailable

D. MetaStore is used to provide original data services and depends on DBServer

正解：C 解答を投票する

出題：7

Flink can perform statistics based on which of the following windows? (Multiple choice)

A. Time windows

B. Session window

C. Sliding window

D. Count window

正解：A,B,C,D 解答を投票する

出題：8

On the Hadoop platform, what command is usually used to view the information of an application in the YARN service?

A. container

B. application-attempt

C. jar

D. Application

正解：D 解答を投票する

出題：9

In Flink, the checkpoint mechanism can ensure that when the application fails during operation, it recovers from a certain checkpoint. During this process, stream snapshots are created sequentially according to the order of data inflow.

A. True

B. False

正解：A 解答を投票する

出題：10

Redis supports multiple databases.

A. True

B. False

正解：A 解答を投票する

出題：11

Which of the following statements about Zookeeper's Leader election is correct? (Multiple choice)

A. When the number of instances n is an odd number, assuming n=2x+1, then x+1 votes are required to become a leader node

B. When Zookeeper elects the leader, more than half of the votes are required

C. When the number of instances n is an odd number, assuming n=2x+1, x votes are required to become a leader node

D. When the number of instances is 8, 5 votes are required to become the leader node, and the disaster recovery capacity is 4

正解：A,B 解答を投票する

出題：12

Which of the following are the functions that Spark can provide? (Multiple choice)

A. Stream processing functions

B. Distributed file system

C. Distributed memory computing engine

D. Unified scheduling of cluster resources

正解：A,C 解答を投票する

出題：13

Which of the following descriptions about Hive log collection on the Fusioninsight Manager interface is wrong?

A. You can specify a time period for log collection, for example, only collect logs from 2016-1-1 to 2016-1-10.

B. You can specify an instance for log collection, such as specifying to collect metstore logs.

C. Specific users can be designated for log collection, for example, only the logs generated by UserA are downloaded.

D. You can specify the node IP for log collection, for example, only download the logs of a certain IP.

正解：C 解答を投票する

出題：14

What interfaces does Fusioninsight Manager support when connecting with external platforms? (Multiple choice)

A. SNMP

B. VPN

C. Syslog

D. BGP

正解：A,C 解答を投票する

出題：15

Watermark is a mechanism proposed by Apache Flink to deal with EventTime window calculation, which is essentially a timestamp.

A. True

B. False

正解：A 解答を投票する

出題：16

Which languages supported by the Flink stream data processing interface Datastream API include? (Multiple choice)

A. C language

B. Python

C. Java

D. Scala

正解：C,D 解答を投票する

出題：17

The storage formats supported by Hive include? (Multiple choice)

A. RCFile

B. Parquet

C. SequenceFile

D. TextFile

正解：A,B,C,D 解答を投票する

出題：18

What are the correct understandings and descriptions of the main characteristics of big data? (Multiple choice)

A. There are many data sources and formats

B. A large amount of data and a large amount of calculation

C. Fast data growth and fast processing

D. Data value density is low, but value is high

正解：A,B,C,D 解答を投票する

出題：19

When using Loader for data import and export, data processing must go through the Reduce phase

A. True

B. False

正解：A 解答を投票する

H13-711-ENU試験無料問題集「Huawei HCIA-Big Data(Huawei Certified ICT Associate-Big Data) 認定」