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The ZKFC process is deployed on the following node in HDFS?

A.

Active NameNode

B.

Standby NameNode

C.

DataNode

D.

All of the above are wrong

Which of the following nodes are included in the basic system architecture of HDFS?

A.

ResourceManager

B.

NameNode

C.

NodeManager

D.

Data Node

Which of the following options in HBaser command has the worst performance

A.

put

B.

get

C.

list

D.

Scan

Hive is a data warehouse software based on hadoopE, which can query and manage PB-level distributed data. 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.

Direct access to HDFS files and HBase

D.

Flexible and convenient ETL (extract/transform/load)

Which service process manages the Region of HBasel?

A.

DataNode

B.

ZooKeeper

C.

HMaster

D.

HRegionServer

What kinds of Kafka message transmission guarantees are usually provided?

A.

At Most Three Times

B.

Exactly Once

C.

At least once (At Lease once)

D.

At Most once

Which of the following descriptions about the functions of HMaster in HBase are correct?

A.

Region load balancing, Region splitting and Region allocation after splitting

B.

Responsible for creating tables, modifying tables, deleting tables

C.

Responsible for load balancing of RegionServer

D.

Region after RegionServer failsmigrate

Which of the following are enterprise-level big data application scenarios

A.

Internal Operations Management

B.

Supply Chain Management

C.

Customer Analysis

D.

Marketing Analysis

In the FusininsightHD platform, which components support list encryption?

A.

HDFS

B.

Flink

C.

HBase

D.

Hive

Which of the following contents can be viewed in the Loader historical job record?

A.

job status

B.

Job start/run time

C.

dirty data link

D.

Error lines/number of files

Which of the following scenarios is not applicable to Hive?

A.

Real-time online data analysis

B.

Non-real-time analysis, such as log analysis, statistical analysis

C.

Data mining, such as user behavior analysis, interest division, regional display

D.

Data aggregation, such as daily, weekly user clicks,Click to rank

Which of the following commands are of type set?

A.

scard

B.

sunion

C.

zcount

D.

hexists

In Kafka, the following statement about the data sent by the Producer is wrong

A.

The Producer is responsible for producing data, and the Consumer is responsible for consuming data. A connection needs to be established between the Producer and the Consumer.

B.

Proucer can send data to both Broker and Consumer

C.

As a message producer, Proucer can directly write data to Zookeeper

D.

Proucer can generate data by connecting to any normal Broker instance

What can the unified certification management system of mainstream manufacturers consist of?

A.

Unified Authentication Server

B.

Unified authentication management module

C.

Unified Safety Management System

D.

Identity information storage server

To enable the log aggregation function of the Yam component in the Hadoop platform, which parameter needs to be configured?

A.

yarn.nodemanager.local-dirs

B.

yarn.nodemanager.log-dirs

C.

yarn.acl.enable

D.

yarn.log-aggregation-enable