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H13-711 Questions and Answers

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H13-711 Questions and Answers

Question # 6

Which method is incorrect to load data into a Hive table?

A.

Load the file of the local path directly into the Hive table

B.

Load files on HDFS into Hive table

C.

Hive supports insert int. Single record method, so you can insert a single record directly on the command line

D.

Insert result sets of other tables into Hive tables

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Question # 7

Among the following options, is the exact description of the role of the standby NameNode in Huawei Fusioninsight HD system? "Multiple choices"

A.

Hot standby for the main NameNode

B.

Prepare NameNode has no memory requirements

C.

Help the master NameNode merge the editor's log and reduce the startup time of the master NameNode

D.

The standby NameNode should be deployed to a node with the master NameNode

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Question # 8

Fusioninsight HD Loader 41, a connector can only be assigned to a job in use

A.

True

B.

False

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Question # 9

What is the role of the Connector when the Fusionlnsight HD Loader creates a job?

A.

Determine what conversion steps are in place

B.

Provide optimization parameters to improve data import and export performance

C.

How the configuration job connects to an external data source

D.

How the configuration job connects to internal data sources

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Question # 10

The driver R in Spark on YARN mode can run on the client.

A.

True

B.

False

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Question # 11

The nodes in the Fusionlnsight HD cluster only have one network card installed, and a dual-plane isolation networking scheme can also be used.

A.

True

B.

wrong

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Question # 12

In the Fusioninsight HD system, use the Streaming client shell command to view the topology or submit the topology failure. Which of the following positioning methods is correct? (Multiple choices)

A.

Check the client exception stack to determine whether the client is using the problem

B.

Check the operation log of the main Nimbus to determine whether the Nimbus server is abnormal

C.

Check the Supervisor running log to determine whether the Supervisor is abnormal

D.

View Worker line log

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Question # 13

There are 230 nodes in the Fusioninsight HD group of a university. When planning a cluster, which of the following processes should be deployed on the data node? (Multiple choices)

A.

Data Node

B.

NameNode

C.

NodeManager

D.

RegionSen / er

E.

DBServer

F.

SolrSen / er

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Question # 14

When Solr creates a collection, the recommended route algorithm is composited router, so the collection can expand the shard.

A.

is correct

B.

False

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Question # 15

HDFS supports large file storage, and supports multiple users to write to the same file, as well as modify the file anywhere.

A.

True

B.

False

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Question # 16

Neither Spark nor Hadoop is suitable for iterative computing scenarios.

A.

True

B.

False

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Question # 17

A Fusioninsight HD cluster planned by a certain bank has 90 nodes. If 3 control nodes are planned, the recommended data nodes in the cluster are:

A.

87

B.

85

C.

90

D.

86

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Question # 18

Which of the following operations does the Fusioninsight HD Manager face with the Loader?

A.

Start the Loader instance

B.

View Loader service status

C.

Configure Loader parameters

D.

View Loader operation log

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Question # 19

Which of the following targets can Fusioninsight HDLoader export HDFS data to?

A.

SFTP server

B.

FTP server

C.

Oracle database

D.

DB2 database

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Question # 20

In the Fusioninsight cluster networking design, the Layer 2 networking refers to the Layer 2 switching within the cluster, and the cluster nodes are in a subnet. It is applicable to cluster farms with less than 200 nodes.

A.

is correct

B.

False

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Question # 21

Regarding the alarm of insufficient Kafka disk capacity, what is the following analysis incorrect for possible reasons?

A.

The disk configuration (such as the number of disks and the disk size) used to store Kafka data cannot meet the current business data flow, resulting in the disk usage reaching the upper limit.

B.

The data storage time is too long, and the data accumulation reaches the upper limit of disk usage.

C.

Unreasonable business planning, resulting in uneven data distribution, and some disks have reached the upper limit of utilization

D.

Broker node failure caused

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Question # 22

What is the key feature or operation statement of Fusioninsight Manager?

A.

Able to perform health checks on the entire cluster or a certain service, but not on a node

B.

Manager introduces the concept of roles, and uses RBAC to manage the rights of the system

C.

The entire system uses Kerberos to manage users, uses LDAP to perform user authentication, and implements single sign-on through CAS

D.

For the health check result, you cannot export the check report, you can only view it online

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Question # 23

In a Fusionlnsight HD cluster, the cluster size is 300 nodes. If the recommended deployment scheme is adopted, what partitions will not exist on the control node? (Duplicate)

A.

/

B.

// srv / BigData / dbdata_om

C.

/ sMBigData

D.

// sn // BigData / jumalnode

E.

// srv / BigData / hadoap / data5

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Question # 24

About the Fusioninsight HD installation process is correct?

A.

Install Manager-> execute preinstall-> LLD tool to configure-> install cluster-> check after installation-> configure after installation

B.

LLD tool configuration-> execute preinstall-> install Manager-> install cluster-> check after installation-> configure after installation

C.

Install Manager-> LLD tool for configuration-> perform Reinstall-> install cluster-> check after installation-> configure after installation

D.

LLD tool for configuration-> execute preinstall-> install cluster> install Managers-> check after installation-> configure after installation

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Question # 25

A cluster in the Fusionlnsight HD system can manage multiple tasks, each service can manage multiple roles, and each role can manage only one instance.

A.

True

B.

False

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Question # 26

What host operating system does Fusioninsight HD node not support?

A.

Suse 11.1

B.

RedHat 6.5

C.

CentOS 6.4

D.

Ubuntu 11.04

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Question # 27

Which is not the channel type of Flume?

A.

Memory Channel

B.

File Channel

C.

JDBC Channel

D.

HDFS Channel

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Question # 28

In .FusionlnsightHD V100R002C60 cluster, which of the following components need to be planned for metadata partitioning? (Multiple choices)

A.

HDFS

B.

Zookeeper

C.

Streaming

D.

Redis

E.

HBase

F.

Kafka

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Question # 29

Which module in Hadoop is responsible for data storage of ZHDFS?

A.

NameNode

B.

DataNode

C.

Zoo Keeper

D.

JobTraoker

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Question # 30

During Fusioninsight HD deployment, what are the following statements about installing a cluster correct? (Multiple choices)

A.

Support template installation and manual installation

B.

No need to change admin account password for the first login

C.

For the network isolation scenario, in the IP input box of the node discovery step, the service IP of each node should be entered

D.

When selecting a service, the system will choose the underlying service that it depends on from an early age

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