H13-711_V3.0 Huawei HCIA-Big Data V3.0 exact Exam Questions

HCIA-Big Data V3.0

Last Update 19 hours ago Total Questions : 649

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Question # 76

In the Fusionlnisght HD system, the number of Partitions and the number of replicas must be set when creating the Topich of Kafkal. Setting up multiple replicas can enhance the disaster tolerance of the Kafka service.

True

False

Question # 77

HiveServer compiles and parses HQL statements submitted by users into corresponding Yarm tasks, Spark tasks or HDPS operations, thereby completing data extraction, conversion, and analysis.

True

False

Question # 78

Elastic SearchofSowleadCanbystoragein a variety ofstorage classtype,andthe followingwherekind of storagekindtypebranchhold?

Shared file system

Object Storage

HDFS

Local file system

Question # 79

LdapServer ' s Group (group) is a unified group management for users. If a user is added to the group, the member ' s dn record will be added to the nember attribute of the group.

True

False

Question # 80

The HDFS data reading process includes the following steps, please choose the correct order. (Drag title) Order: ECADB

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.

The client calls close. to close the input stream.

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

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

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

Question # 81

Which of the following functions can the kafka-clustermirroring tool implement?

Kafka cluster data synchronization scheme

Kafka data backup in a single cluster

Kafka data recovery in a single cluster

to all wrong

Question # 82

What data will Fusioninsight Manager regularly back up?

NameNode

LDAP

OMS

DBService

Question # 83

Which description about HBase components is correct?

is column oriented

is a NoSQL data

is distributed

The stored data is in the form of KV

Question # 84

AboutHDFSdataFinishIntegrity guarantee, which of the following mechanisms isMistakeof?

SectionPoint higher performance DataNodemore data will be stored

The log mechanism is used to operate the metadata, and the metadata is stored on the active and standby NanoNodes.

The snapshot mechanism implements the file systemas usualSee the snapshot mechanism to ensure that data can be recovered in time when misoperation occurs

DataNode to NameNode periodic reportFailTask,NameNodeinitiateviceThis rebuild action to restore lostcopy

Question # 85

What query types does ElasticSearch have? (multiple choice)

full-text search

Term-based search

Search based on score

Retrieval based on metadata

Question # 86

. The open source big data platform based on Hadoop mainly provides distributed computing and storage capabilities for data. Which of the following are distributed storage components?

Spark

HDFS

HBase